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DIMM.AM335x (Rev3) 3/24

Content

1 Introduction ................................................................................................................................................................ 4

2 Block Diagram ............................................................................................................................................................ 5

3 Functional Description ........................................................................................................................................... 6

3.1 Processor AM335x ........................................................................................................................................... 6

3.1.1 Processor Clocks ..................................................................................................................................... 6

3.1.2 Boot Mode ................................................................................................................................................ 7

3.1.3 Interrupts ................................................................................................................................................... 7

3.2 NOR-Flash ........................................................................................................................................................... 7

3.3 NAND Flash ........................................................................................................................................................ 8

3.4 DDR SDRAM ....................................................................................................................................................... 8

3.5 Processor Bus Interface .................................................................................................................................. 8

3.6 Ethernet ............................................................................................................................................................... 8

3.7 USB Interfaces ................................................................................................................................................... 9

3.8 LCD Interface ..................................................................................................................................................... 9

3.8.1 General ....................................................................................................................................................... 9

3.8.2 LCD interface......................................................................................................................................... 10

3.9 Touch Interface .............................................................................................................................................. 11

3.10 Audio Interface .............................................................................................................................................. 11

3.11 CAN Controller ............................................................................................................................................... 11

3.12 SDC/SDIO Interface ...................................................................................................................................... 11

3.13 Serial Ports ....................................................................................................................................................... 12

3.14 I²C- Bus .............................................................................................................................................................. 12

3.15 SPI Interface .................................................................................................................................................... 13

3.16 Digital and Analog I/Os ............................................................................................................................... 13

3.17 Status LED ........................................................................................................................................................ 13

3.18 RTC ..................................................................................................................................................................... 14

3.19 Reset .................................................................................................................................................................. 14

3.20 Power Supply, PMIC ..................................................................................................................................... 14

4 Connectors ............................................................................................................................................................... 15

4.1 J1, SODIMM ..................................................................................................................................................... 15

4.2 J2, Debug Connector ................................................................................................................................... 18

5 Signal Characteristics ........................................................................................................................................... 19

5.1 J1, SODIMM Connector ............................................................................................................................... 19

5.2 J2, Debug Connector ................................................................................................................................... 21

6 Technical Characteristics .................................................................................................................................... 22

6.1 Electrical Specifications .............................................................................................................................. 22

6.2 Environmental Specifications ................................................................................................................... 22

6.3 Mechanical Specifications ......................................................................................................................... 22

6.4 Dimensional Drawing .................................................................................................................................. 23

References .......................................................................................................................................................................... 24

1 2 3 4 5 6 7 8 ... 23 24

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