Page 2 - First revision
DIMM.AM335x (Rev3) 2/24 © Copyright 2012 em trion GmbH All rights reserved. This documentation may not be photocopied or recorded on any electronic media without written approval. The information contained in this documentation is subject to change without prior notice. We assume no liability for er...
Page 3 - Content
DIMM.AM335x (Rev3) 3/24 Content 1 Introduction ................................................................................................................................................................ 4 2 Block Diagram .............................................................................
Page 4 - Introduction
DIMM.AM335x (Rev3) 4/24 1 Introduction The DIMM-AM335x processor module is a SODIMM sized CPU board based on the processor AM3352ZCZD72 or AM3354ZCZD72 from Texas Instruments. The AM3352ZCZD72 is based on an ARM® Cortex-A8 core running at up to 720 MHz (Turbo Mode). It includes a variety of function...
Page 5 - Block Diagram; The following figure shows the block diagram of the DIMM-AM335x.; Cache; DDR3 SDRAM
DIMM.AM335x (Rev3) 5/24 2 Block Diagram The following figure shows the block diagram of the DIMM-AM335x. DIMM-AM335x SODIMM conne ctor 200 p in 10/100 Mbit EthernetUSB 2.0 HostUSB 2.0 FunctionLCD InterfaceSSI Audio Inter faceSD-CardUART-A, RS232 UART-B, LVTTL UART-C, LVTTL UART-D, LVTTL 2 x CAN, LVT...
Page 6 - Functional Description; Processor Clocks
DIMM.AM335x (Rev3) 6/24 3 Functional Description 3.1 Processor AM335x The DIMM-AM335x module is either based on the CPU AM3352 or AM3354from Texas Instruments. It utilizes an ARM® Cortex-A8 core running at up to 720 MHz. Compared to the AM3352 the CPU AM3354 includes an additional SGX530 3D graphics...
Page 7 - Boot Mode; The following sequences are preferred:; Boot device; Interrupts; PMIC
DIMM.AM335x (Rev3) 7/24 3.1.2 Boot Mode The processor AM335x has an integrated Boot ROM which supports 31 different boot configurations. Each configuration consists of a sequence of 4 different boot devices that are checked in series for valid boot data. The configuration is selected by the five con...
Page 8 - NAND Flash; The standard flash capacity is 256 MByte.; DDR SDRAM; 56 MByte or 512 MByte DDR3 SDRAM are soldered.; Processor Bus Interface
DIMM.AM335x (Rev3) 8/24 Hardware write protection of the NOR flash is realized by the port pin GPIO3_4 of the processor. A low level protects the flash device. During and after Reset the pin is driven low by the processor. Besides the hardware protection the chip also supports a software protection....
Page 9 - General
DIMM.AM335x (Rev3) 9/24 The signal LINK_LED# indicates if data packages are transferred. If a link is established every packet causes an 80 ms long low pulse. The signal SPEED_LED# indicates the transfer speed of the connection. Low = 100 Mbit/s, high = 10 Mbit/s. A 1:1 transformer with center taps ...
Page 10 - Colour data, mapping according to the following table
DIMM.AM335x (Rev3) 10/24 3.8.2 LCD interface The following table describes the function of the data and control lines in RGB mode. Signal Description LCD_D[23:0] Colour data, mapping according to the following table LCD_VSYNC Vertical synchronization signal LCD_HSYNC Horizontal synchronization signa...
Page 11 - Optional display power control output, driven by GPIO1_29; Touch Interface; The interface MMC0 is unavailable because of pin multiplexing.
DIMM.AM335x (Rev3) 11/24 3 additional GPIO output signals are provided to control the power supply of the display and the backlight. Signal Description LCD_VEPWC Optional display power control output, driven by GPIO1_29 LCD_VCPWC Optional display power control output, driven by GPIO2_27 LCD_DON Disp...
Page 12 - Serial Ports; The signals of 4 UARTs are available at the SODIMM connector.; SODIMM interface
DIMM.AM335x (Rev3) 12/24 The control signals and the lower 4 data lines of interface MMC2 are routed to the SDC1 interface of the SODIMM connector. Since the interface SDC2 of the SODIMM connector is unused the upper 4 data lines of the MMC2 interface are routed its data pins. An SDC socket with 4 d...
Page 13 - The pins have the following characteristics:; SODIMM Pin; Status LED
DIMM.AM335x (Rev3) 13/24 3.15 SPI Interface The SPI1 interface of the AM335x is available at the SODIMM connector. The characteristics of the interface can be individually controlled by software. 3.16 Digital and Analog I/Os 10 digital GPIO pins are provided normally at the SODIMM connector. All but...
Page 14 - LED; green; RTC; There are several ways to reset the board:
DIMM.AM335x (Rev3) 14/24 The LED is controlled by the two GPIO pins of the AM335x. Pin GPIO2_4 drives the green LED, pin GPIO2_5 drives the red LED. Watch that the green LED is active low while the red LED is active high. This gives the following colour table: LED GPIO2_4 GPIO2_5 green 0 0 yellow 0 ...
Page 15 - Connectors; Type 200 pin SODIMM edge connector, 2.5V keying; Pin; USB Host; GND; CAN; GND; Power; GND
DIMM.AM335x (Rev3) 15/24 4 Connectors 4.1 J1, SODIMM Type 200 pin SODIMM edge connector, 2.5V keying Pin Signal Interface Signal Pin 1 SPEED_LED# Ethe rne t US B H os t USBH_PEN# 2 3 ETH_TDP USBH_OC# 4 5 ETH_TDM USBH_DM 6 7 GND USBH_DP 8 9 ETH_RDP US B De vi ce USBF_VBUS 10 11 ETH_RDM USBF_DM 12 13 ...
Page 17 - on; NMI
DIMM.AM335x (Rev3) 17/24 139 n/c n/c 140 141 n/c n/c 142 143 n/c n/c 144 145 n/c n/c 146 147 n/c n/c 148 149 n/c n/c 150 151 n/c n/c 152 153 n/c n/c 154 155 n/c n/c 156 157 n/c n/c 158 159 GND n/c 160 161 +3V3 Power GND 162 163 n/c D a ta D [15:0] n/c 164 165 n/c n/c 166 167 n/c n/c 168 169 n/c n/c ...
Page 19 - Signal Characteristics; J1, SODIMM Connector; Name
DIMM.AM335x (Rev3) 19/24 5 Signal Characteristics Abbreviations: AI analogue input AO analogue output A I/O analogue bidirectional I input O totem pole output OD open drain output I/O bidirectional PU xK pull-up resistor, x KΩ PD xK pull-down resistor, x KΩ SR xR series resistor x Ω IPD processor in...
Page 22 - Technical Characteristics; Electrical Specifications
DIMM.AM335x (Rev3) 22/24 6 Technical Characteristics 6.1 Electrical Specifications Supply voltage 3.3 V, +/-5% Current consumption 0.6 A max. 6.2 Environmental Specifications Operating temperature Storage temperature Standard: 0°C ... +70°C -ET: -40°C ... +85°C -40 ... +125°C Relative humidity 0 ......
Page 23 - Dimensional Drawing
DIMM.AM335x (Rev3) 23/24 6.4 Dimensional Drawing 6 3 .6 6 7 .6 20.0 45.0 6.0 36.5 R 2 .0 D 2 ,3 1 .0 4.0 1 5 .3 5 P in 1 P in 3 9 P in 1 9 9 1 .0 m a x . 6 ,0 m a x . 2 ,0 bo tto m s id e to p s id e J2 D 2 .8 J1
Page 24 - References
DIMM.AM335x (Rev3) 24/24 References [1] AM335x ARM® Cortex TM –A8 Microprocessors (MPUs) Datasheet SPRS717C – October 2011 – Revised April 2012 Texas Instruments [2] TPS65910 Integrated Power Management Unit Top Specification Datasheet SWCS046L - March 2010 - Revised January 2012 Texas Instruments
