Atmel ATmega88PA - Manual
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Table of Contents:
- Page 2 – Pin Configurations; Pinout ATmega88PA; TQFP Top View
- Page 3 – Pin Descriptions; VCC; Digital supply voltage.; GND; The various special features of Port B are elaborated in
- Page 4 – connected to V; AREF; AREF is the analog reference pin for the A/D Converter.
- Page 5 – Overview; Block Diagram
- Page 7 – Register Summary
- Page 10 – should never be written.; Instruction Set Summary
- Page 13 – Ordering Information; and minimum quantities.; Power Supply; Industrial; Package Type
- Page 14 – Packaging Information; TITLE
- Page 16 – Sa; TOP VIEW
- Page 17 – PIN
- Page 18 – Errata; Errata ATmega88PA
- Page 19 – Datasheet Revision History; Updated
Features
•
High Performance, Low Power AVR
®
8-Bit Microcontroller
•
Advanced RISC Architecture
– 131 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20 MHz
– On-chip 2-cycle Multiplier
•
High Endurance Non-volatile Memory Segments
– 8K Bytes of In-System Self-Programmable Flash progam memory (ATmega88PA)
– 512 Bytes EEPROM (ATmega88PA)
– 1K Bytes Internal SRAM (ATmega88PA)
– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– Programming Lock for Software Security
•
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
Mode
– Real Time Counter with Separate Oscillator
– Six PWM Channels
– 8-channel 10-bit ADC in TQFP and QFN/MLF package
Temperature Measurement
– 6-channel 10-bit ADC in PDIP Package
Temperature Measurement
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Byte-oriented 2-wire Serial Interface (Philips I
2
C compatible)
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
•
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated Oscillator
– External and Internal Interrupt Sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby,
and Extended Standby
•
I/O and Packages
– 23 Programmable I/O Lines
– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
•
Operating Voltage:
– 1.8 - 5.5V for ATmega88PA
•
Temperature Range:
– -40
°
C to 85
°
C
•
Speed Grade:
– 0 - 20 MHz @ 1.8 - 5.5V
•
Low Power Consumption at 1 MHz, 1.8V, 25
°
C for ATmega88PA:
– Active Mode: 0.2 mA
– Power-down Mode: 0.1 µA
– Power-save Mode: 0.75 µA (Including 32 kHz RTC)
8-bit
Microcontroller
with 8K Bytes
In-System
Programmable
Flash
ATmega88PA
Summary
Rev. 8161AS–AVR–11/08
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Summary
2 8161AS–AVR–11/08 ATmega88PA 1. Pin Configurations Figure 1-1. Pinout ATmega88PA 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 (PCINT19/OC2B/INT1) PD3 (PCINT20/XCK/T0) PD4 GND VCC GND VCC (PCINT6/XTAL1/TOSC1) PB6 (PCINT7/XTAL2/TOSC2) PB7 PC1 (ADC1/PCINT9) PC0 (ADC0/PCINT8) ADC7 GND AREF ADC6 AVCC PB5 (SC...
3 8161AS–AVR–11/08 ATmega88PA 1.1 Pin Descriptions 1.1.1 VCC Digital supply voltage. 1.1.2 GND Ground. 1.1.3 Port B (PB7:0) XTAL1/XTAL2/TOSC1/TOSC2 Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). ThePort B output buffers have symmetrical drive char...
4 8161AS–AVR–11/08 ATmega88PA The various special features of Port D are elaborated in ”Alternate Functions of Port D” on page 80 . 1.1.7 AV CC AV CC is the supply voltage pin for the A/D Converter, PC3:0, and ADC7:6. It should be externally connected to V CC , even if the ADC is not used. If the AD...
