Page 2 - Table of Contents
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 Table of Contents 2003 Dec 8 2 1. General Description ................................................................................ 7 Pin Configurations ............................................................................
Page 5 - List of Figures
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 List of Figures 2003 Dec 8 5 List of Figures Special function registers table - P89LPC906 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Special function registers table - P89LPC907 . . . . . . . . . . . . ...
Page 7 - GENERAL DESCRIPTION; PIN CONFIGURATIONS
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 7 1. GENERAL DESCRIPTION The P89LPC906/907/908 is a single-chip microcontroller designed for applications demanding high-integration, low cost solutions over a wide range of performance requirements...
Page 8 - Logic Symbols; PRODUCT COMPARISON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 8 Logic Symbols PRODUCT COMPARISON The following table highlights differences between these three devices. Part number Ext crystal pins CLKOUT output T0 PWM output Analog comparator UART TxD RxD P89...
Page 9 - Internal Bus
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 9 Block Diagram - P89LPC906 High Performance Accelerated 2-clock 80C51 CPU Port 0 Configurable I/Os 128 byte Data RAM 1 KB Code Flash Internal Bus Timer0Timer1 Keypad Interrupt Power Monitor (Power-...
Page 10 - High Performance
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 10 Block Diagram - P89LPC907 Port 0 Configurable I/Os 128 byte Data RAM 1 KB Code Flash Internal Bus Timer0Timer1 Keypad Interrupt Power Monitor (Power-On Reset, Brownout Reset) On-Chip RC Oscillato...
Page 13 - Mnemonic; CMPREF; RST
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 13 PIN DESCRIPTIONS - P89LPC907 Mnemonic Pin no. Type Name and function P0.4 - P0.6 3, 7,8 I/O Port 0: Port 0 is an I/O port with a user-configurable output types. During reset Port 0 latches are co...
Page 15 - Special function registers; Table 1: Special function registers table - P89LPC906
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 15 Special function registers Note: Special function registers (SFRs) accesses are restricted in the following ways: 1. User must NOT attempt to access any SFR locations not defined.2. Accesses to a...
Page 18 - Table 2: Special function registers table - P89LPC907
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 18 Table 2: Special function registers table - P89LPC907 Name Description SFR Address Bit Functions and Addresses Reset Value MSB LSB Hex Binary E7 E6 E5 E4 E3 E2 E1 E0 ACC* Accumulator E0H 00H 0000...
Page 21 - Table 3: Special function registers table - P89LPC908
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 21 Table 3: Special function registers table - P89LPC908 Name Description SFR Address Bit Functions and Addresses Reset Value MSB LSB Hex Binary E7 E6 E5 E4 E3 E2 E1 E0 ACC* Accumulator E0H 00H 0000...
Page 24 - MEMORY ORGANIZATION; KB Flash Code; Sector 0; Data Memory; Special Function; FFh; DATA
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 GENERAL DESCRIPTION 2003 Dec 8 24 MEMORY ORGANIZATION The P89LPC906/907/908 memory map is shown in Figure 1-1. Figure 1-1: P89LPC906/907/908 Memory Map The various P89LPC906/907/908 memory spaces are as follows: DATA 128 bytes of...
Page 25 - CLOCKS; ENHANCED CPU; Note; LOW SPEED OSCILLATOR OPTION - P89LPC906
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 CLOCKS 2003 Dec 8 25 2. CLOCKS ENHANCED CPU The P89LPC906/907/908 uses an enhanced 80C51 CPU which runs at 6 times the speed of standard 80C51 devices. A machine cycle consists of two CPU clock cycles, and most instructions execu...
Page 26 - OSCILLATOR OPTION SELECTION- P89LPC906; ON-CHIP RC OSCILLATOR OPTION; WATCHDOG OSCILLATOR OPTION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 CLOCKS 2003 Dec 8 26 Figure 2-1: Using the Crystal Oscillator - P89LPC906 OSCILLATOR OPTION SELECTION- P89LPC906 The oscillator option is selectable either by the FOSC2:0 bits in UCFG1 or by the RTCS1:0 bits in RTCCON. If the FOS...
Page 27 - EXTERNAL CLOCK INPUT OPTION - P89LPC906; TRIM
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 CLOCKS 2003 Dec 8 27 EXTERNAL CLOCK INPUT OPTION - P89LPC906 In this configuration, the processor clock is derived from an external source driving the XTAL1 / P3.1 pin. The rate may be from 0 Hz up to 12 MHz. The XTAL2 / P3.0 pin...
Page 28 - DIVM
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 CLOCKS 2003 Dec 8 28 LOW POWER SELECT (P89LPC906) The P89LPC906 is designed to run at 12MHz (CCLK) maximum. However, if CCLK is 8MHz or slower, the CLKLP SFR bit (AUXR1.7) can be set to a ’1’ to lower the power consumption furthe...
Page 31 - INTERRUPTS; INTERRUPT PRIORITY STRUCTURE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 INTERRUPTS 2003 Dec 8 31 3. INTERRUPTS The P89LPC906/907/908 use a four priority level interrupt structure. This allows great flexibility in controlling the handling of the many interrupt sources. The P89LPC906 supports 6 interru...
Page 32 - EXTERNAL INTERRUPT INPUTS
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 INTERRUPTS 2003 Dec 8 32 Table 3-3: Summary of Interrupts - P89LPC907,P89LPC908 EXTERNAL INTERRUPT INPUTS The P89LPC906/907/908 have a Keypad Interrupt function (see Keypad Interrupt (KBI) on page 77). This can be used as an exte...
Page 35 - PORT CONFIGURATIONS; Table 4-2: Port Output Configuration Settings; QUASI-BIDIRECTIONAL OUTPUT CONFIGURATION; Clock Source
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 I/O PORTS 2003 Dec 8 35 4. I/O PORTS The P89LPC906/907/908 has between 3 and 6 I/O pins. The exact number of I/O pins available depends on the clock and reset options chosen: Table 4-1: Number of I/O Pins Available PORT CONFIGURA...
Page 36 - OPEN DRAIN OUTPUT CONFIGURATION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 I/O PORTS 2003 Dec 8 36 The third pullup is referred to as the "strong" pullup. This pullup is used to speed up low-to-high transitions on a quasi-bidirectional port pin when the port latch changes from a logic 0 to a log...
Page 37 - INPUT-ONLY CONFIGURATION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 I/O PORTS 2003 Dec 8 37 INPUT-ONLY CONFIGURATION The input port configuration is shown in Figure 4-3. It is a Schmitt-triggered input that also has a glitch suppression circuit (please refer to the P89LPC906/907/908 datasheet, AC...
Page 41 - TIMERS 0 AND 1; TMOD
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 TIMERS 0 AND 1 2003 Dec 8 41 5. TIMERS 0 AND 1 The P89LPC906/907/908 has two general-purpose counter/timers which are similar to the 80C51 Timer 0 and Timer 1. Timer 0 of the P89LPC907 can be configured to operate either as a tim...
Page 42 - BIT
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 TIMERS 0 AND 1 2003 Dec 8 42 Figure 5-2: Timer/Counter Auxiliary Mode Control register (TAMOD) MODE 0 Putting either Timer into Mode 0 makes it look like an 8048 Timer, which is an 8-bit Counter with a divide-by-32 prescaler. Fig...
Page 43 - TCON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 TIMERS 0 AND 1 2003 Dec 8 43 MODE 3 When Timer 1 is in Mode 3 it is stopped. The effect is the same as setting TR1 = 0. Timer 0 in Mode 3 establishes TL0 and TH0 as two separate 8-bit counters. The logic for Mode 3 on Timer 0 is ...
Page 45 - TIMER OVERFLOW TOGGLE OUTPUT - P89LPC907
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 TIMERS 0 AND 1 2003 Dec 8 45 Figure 5-7: Timer/Counter 0 Mode 3 (two 8-bit counters) Figure 5-8: Timer/Counter 0 in Mode 6 (PWM auto-reload), P89LPC907. TIMER OVERFLOW TOGGLE OUTPUT - P89LPC907 Timer 0 can be configured to automa...
Page 47 - REAL-TIME CLOCK SOURCE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 REAL-TIME CLOCK/SYSTEM TIMER 2003 Dec 8 47 6. REAL-TIME CLOCK/SYSTEM TIMER The P89LPC906/907/908 has a simple Real-time clock/system timer that allows a user to continue running an accurate timer while the rest of the device is p...
Page 48 - CCLK Frequency; 3 -b it d o w n c o u n te r; -b it p re s c a le r; L S B; R e lo a d o n u n d e rflo w
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 REAL-TIME CLOCK/SYSTEM TIMER 2003 Dec 8 48 Figure 6-1: Real-time clock/system timer Block Diagram Table 6-1: Real-time Clock/System Timer Clock Source - P89LPC906 FOSC2 (UCFG1.2) FOSC1 (UCFG1.1) FOSC0 (UCFG1.0) RTCS1:0 CCLK Frequ...
Page 50 - RESET SOURCES AFFECTING THE REAL-TIME CLOCK
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 REAL-TIME CLOCK/SYSTEM TIMER 2003 Dec 8 50 CHANGING RTCS1-0 RTCS1-0 cannot be changed if the RTC is currently enabled (RTCCON.0 =1). Setting RTCEN and updating RTCS1-0 may be done in a single write to RTCCON. However, if RTCEN = ...
Page 51 - RTCCON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 REAL-TIME CLOCK/SYSTEM TIMER 2003 Dec 8 51 Figure 6-2: RTCCON Register RTCCON Address: D1h Not bit addressableReset Source(s): Power-up onlyReset Value: 011xxx00B BIT SYMBOL FUNCTION RTCCON.7 RTCF Real-time Clock Flag. This bit i...
Page 53 - POWER MONITORING FUNCTIONS; BROWNOUT DETECTION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 POWER MONITORING FUNCTIONS 2003 Dec 8 53 7. POWER MONITORING FUNCTIONS The P89LPC906/907/908 incorporates power monitoring functions designed to prevent incorrect operation during initial power- on and power loss or reduction dur...
Page 54 - POWER REDUCTION MODES
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 POWER MONITORING FUNCTIONS 2003 Dec 8 54 Table 7-1: Brownout Options POWER-ON DETECTION The Power-On Detect has a function similar to the Brownout Detect, but is designed to work as power initially comes up, before the power supp...
Page 56 - PCON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 POWER MONITORING FUNCTIONS 2003 Dec 8 56 Figure 7-1: Power Control Register (PCON) PCON Address: 87h Not bit addressableReset Source(s): Any resetReset Value: 00000000B BIT SYMBOL FUNCTION PCON.7 SMOD1 Double Baud Rate bit for th...
Page 57 - PCONA
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 POWER MONITORING FUNCTIONS 2003 Dec 8 57 Figure 7-2: Power Control Register (PCONA) PCONA Address: B5H Not bit addressableReset Source(s): Any resetReset Value: 00000000B BIT SYMBOL FUNCTION PCONA.7 RTCPD Real-time Clock Power do...
Page 59 - UART
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 59 8. UART (P89LPC907, P89LPC908) The P89LPC907 and P89LPC908 devices have an enhanced UART that is compatible with the conventional 80C51 UART, except that Timer 2 overflow cannot be used as a baud rate source. T...
Page 60 - SFR SPACE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 60 SFR SPACE The UART SFRs are at the following locations: Table 8-1: SFR Locations for UARTs BAUD RATE GENERATOR AND SELECTION The enhanced UART has an independent Baud Rate Generator. The baud rate is determined...
Page 61 - FRAMING ERROR; BRGCON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 61 Figure 8-1: BRGCON Register Figure 8-2: Baud Rate Generations for UART (Modes 1, 3) FRAMING ERROR A Framing error occurs when the stop bit is sensed as a logic ’0’. A Framing error is reported in the status reg...
Page 62 - SCON
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 62 . Figure 8-3: Serial Port Control Register (SCON) SCON Address: 98h Bit addressableReset Source(s): Any resetReset Value: 00000000B BIT SYMBOL FUNCTION SCON.7 SM0/FE The use of this bit is determined by SMOD0 i...
Page 63 - MORE ABOUT UART MODE 0; SSTAT
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 63 Figure 8-4: Serial Port Status Register (SSTAT) MORE ABOUT UART MODE 0 In Mode 0, a write to SBUF will initiate a transmission. At the end of the transmission, TI (SCON.1) is set, which must be cleared in softw...
Page 64 - MORE ABOUT UART MODE 1
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 64 Figure 8-5: Serial Port Mode 0 (Double Buffering Must Be Disabled) MORE ABOUT UART MODE 1 Reception is initiated by detecting a 1-to-0 transition on RxD. RxD is sampled at a rate 16 times the programmed baud ra...
Page 65 - MORE ABOUT UART MODES 2 AND 3
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 65 MORE ABOUT UART MODES 2 AND 3 Reception is the same as in Mode 1. The signal to load SBUF and RB8, and to set RI, will be generated if, and only if, the following conditions are met at the time the final shift ...
Page 66 - DOUBLE BUFFERING
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 66 DOUBLE BUFFERING The UART has a transmit double buffer that allows buffering of the next character to be written to SBUF while the first character is being transmitted. Double buffering allows transmission of a...
Page 67 - Figure 8-8: Transmission with and without Double Buffering
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 67 Figure 8-8: Transmission with and without Double Buffering THE 9TH BIT (BIT 8) IN DOUBLE BUFFERING (MODES 1, 2 AND 3) If double buffering is disabled (DBMOD, i.e. SSTAT.7 = 0), TB8 can be written before or afte...
Page 68 - MULTIPROCESSOR COMMUNICATIONS; AUTOMATIC ADDRESS RECOGNITION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 UART 2003 Dec 8 68 - If DBISEL is ’1’ and INTLO is ’1’, a Tx interrupt will occur at the end of the STOP bit of the data currently in the shifter (which is also the last data). 7. If there is more data, the CPU writes to TB8 agai...
Page 71 - RESET; POWER-ON RESET CODE EXECUTION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 RESET 2003 Dec 8 71 9. RESET The P1.5/RST pin can function as either an active low reset input or as a digital input, P1.5. The RPE (Reset Pin Enable) bit in UCFG1, when set to 1, enables the external reset input function on P1.5...
Page 72 - RSTSRC
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 RESET 2003 Dec 8 72 Figure 9-2: Reset Sources Register RSTSRC Address: DFH Not bit addressableReset Sources: Power-on onlyReset Value: xx110000B (This is the power-on reset value. Other reset sources will set corresponding bits.)...
Page 73 - ANALOG COMPARATORS; COMPARATOR CONFIGURATION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 ANALOG COMPARATORS 2003 Dec 8 73 10. ANALOG COMPARATORS An analog comparator is provided on the P89LPC906 / 907 / 908 . Comparator operation is such that the output is a logical one when the positive input is greater than the neg...
Page 74 - Figure 10-2: Comparator Input and Output Connections; INTERNAL REFERENCE VOLTAGE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 ANALOG COMPARATORS 2003 Dec 8 74 Figure 10-2: Comparator Input and Output Connections Figure 10-3: Comparator Configurations INTERNAL REFERENCE VOLTAGE An internal reference voltage, Vref, may supply a default reference when a si...
Page 75 - COMPARATOR CONFIGURATION EXAMPLE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 ANALOG COMPARATORS 2003 Dec 8 75 If the comparator output to a pin is enabled, the pin should be configured in the push-pull mode in order to obtain fast switching times while in power down mode. The reason is that with the oscil...
Page 78 - KBMASK
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 KEYPAD INTERRUPT (KBI) 2003 Dec 8 78 Figure 11-3: Keypad Interrupt Mask Register (KBM) KBMASK Address: 86h Not bit addressableReset Source(s): Any resetReset Value: 00000000B BIT SYMBOL FUNCTION KBMASK.7 - Reserved. KBMASK.6 - Wh...
Page 79 - WATCHDOG TIMER; WATCHDOG FUNCTION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 WATCHDOG TIMER 2003 Dec 8 79 12. WATCHDOG TIMER The watchdog timer subsystem protects the system from incorrect code execution by causing a system reset when it underflows as a result of a failure of software to feed the timer pr...
Page 80 - FEED SEQUENCE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 WATCHDOG TIMER 2003 Dec 8 80 Figure 12-1: Watchdog Prescaler FEED SEQUENCE The watchdog timer control register and the 8-bit down counter (Figure 12-3) are not directly loaded by the user. The user writes to the WDCON and the WDL...
Page 83 - WATCHDOG TIMER IN TIMER MODE
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 WATCHDOG TIMER 2003 Dec 8 83 Figure 12-3: Watchdog Timer in Watchdog Mode (WDTE = 1) WATCHDOG TIMER IN TIMER MODE Figure 12-4 shows the Watchdog Timer in Timer Mode. In this mode, any changes to WDCON are written to the shadow re...
Page 84 - POWER DOWN OPERATION
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 WATCHDOG TIMER 2003 Dec 8 84 Figure 12-4: Watchdog Timer in Timer Mode (WDTE = 0) POWER DOWN OPERATION The WDT oscillator will continue to run in power down, consuming approximately 50uA, as long as the WDT oscillator is selected...
Page 85 - PERIODIC WAKEUP FROM POWER DOWN WITHOUT AN EXTERNAL OSCILLATOR
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 WATCHDOG TIMER 2003 Dec 8 85 PERIODIC WAKEUP FROM POWER DOWN WITHOUT AN EXTERNAL OSCILLATOR Without using an external oscillator source, the power consumption required in order to have a periodic wakeup is determined by the power...
Page 87 - ADDITIONAL FEATURES; SOFTWARE RESET
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 ADDITIONAL FEATURES 2003 Dec 8 87 13. ADDITIONAL FEATURES The AUXR1 register contains several special purpose control bits that relate to several chip features. AUXR1 is described in Figure 13-1. Figure 13-1: AUXR1 Register SOFTW...
Page 89 - FLASH PROGRAM MEMORY; FEATURES
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 89 14. FLASH PROGRAM MEMORY GENERAL DESCRIPTION The P89LPC906/907/908 Flash memory provides in-circuit electrical erasure and programming. The Flash can be read and written as bytes. On-chip erase ...
Page 91 - Figure 14-1: Flash Memory Control Register
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 91 Figure 14-1: Flash Memory Control Register FMCON Address: E4h Not bit addressableReset Source(s): Any resetReset Value: BIT SYMBOL FUNCTION FMCON.7-4 - Reserved. FMCON.3 HVA High voltage abort. ...
Page 92 - ACCESSING ADDITIONAL FLASH ELEMENTS; unsigned char
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 92 Figure 14-2: Assembly language routine to erase/program all or part of a page Figure 14-3: C-language routine to erase/program all or part of a page ACCESSING ADDITIONAL FLASH ELEMENTS In additi...
Page 93 - ERASE-PROGRAMMING ADDITIONAL FLASH ELEMENTS; Element
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 93 Table 14-1: Flash elements accesable through IAP-Lite ERASE-PROGRAMMING ADDITIONAL FLASH ELEMENTS The erase-program cycle takes 4ms to complete and is accomplished using the following steps: • W...
Page 95 - FMADRL
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 95 Figure 14-6: C-language routine to read a flash element #include <REG921.H> unsigned char READ_EL (unsigned char); unsigned char GET_EL; void main () { GET_EL = READ_EL(0x02); } unsigned c...
Page 96 - USER CONFIGURATION BYTES
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 96 USER CONFIGURATION BYTES A number of user-configurable features of the P89LPC906/907/908 must be defined at power-up and therefore cannot be set by the program after start of execution. These fe...
Page 97 - USER SECURITY BYTES
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 97 USER SECURITY BYTES There are four User Sector Security Bytes (SEC0, ..., SEC3), each corresponding to one sector and having the following bit assignments: Figure 14-8: User Sector Security Byte...
Page 98 - Boot Vector
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 FLASH PROGRAM MEMORY 2003 Dec 8 98 Boot Vector Figure 14-9: Boot Vector (BOOTVEC) Boot Status Figure 14-10: Boot Status (BOOTSTAT) BOOTVEC Address: xxxxh Factory default value: 00h BIT SYMBOL FUNCTION BOOTVEC.7-5 - Reserved (shou...
Page 99 - INSTRUCTION SET
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 INSTRUCTION SET 2003 Dec 8 99 15. INSTRUCTION SET Table 15-1: Instruction set summary Mnemonic Description Bytes Cycles Hex code ARITHMETIC ADD A,Rn Add register to A 1 1 28-2F ADD A,dir Add direct byte to A 2 1 25 ADD A,@Ri Add ...
Page 103 - REVISION HISTORY
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 REVISION HISTORY 2003 Dec 8 103 16. REVISION HISTORY 2003 Dec 8 Initial release.
Page 105 - INDEX
Philips Semiconductors User’s Manual - Preliminary - P89LPC906/907/908 INDEX 2003 Dec 8 105 17. INDEX A Analog comparators 37, 73 configuration 73 configuration example 75 enabling 73 internal reference voltage 79 interrupt 74 power reduction modes 74 Analog comparators and power reduction 37 B Bloc...
Page 110 - Definitions
Philips Semiconductors P89LPC906/907/908 User’s manual – Preliminary – yyyy mmm dd 1 Definitions Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information seethe relevant data sheet or data hand...
