UG-277

SDP User Guide

Rev. B | Page 6 of 24

Table 1. 120-Pin Connector Pin Assignments

Pin No.

Pin Name

Description

1

VIN

Power to SDP Board. Requires 200 mA at 5 V.

2

NC

No Connect. Leave this pin unconnected. Do not ground.

3

GND

Connect to ground plane of board.

4

GND

Connect to ground plane of board.

5

USB_VBUS

Connected directly to the USB +5 V supply.

6

GND

Connect to ground plane of board.

7

PAR_D23

Parallel Data Bus Bit 23. (No connect.)1

8

PAR_D21

Parallel Data Bus Bit 21. (No connect.)1

9

PAR_D19

Parallel Data Bus Bit 19. (No connect.)1

10

PAR_D17

Parallel Data Bus Bit 17. (No connect.)1

11

GND

Connect to ground plane of board.

12

PAR_D14

Parallel Data Bus Bit 14.

13

PAR_D13

Parallel Data Bus Bit 13.

14

PAR_D11

Parallel Data Bus Bit 11.

15

PAR_D9

Parallel Data Bus Bit 9.

16

PAR_D7

Parallel Data Bus Bit 7.

17

GND

Connect to ground plane of board.

18

PAR_D5

Parallel Data Bus Bit 5.

19

PAR_D3

Parallel Data Bus Bit 3.

20

PAR_D1

Parallel Data Bus Bit 1.

21

PAR_RD

Asynchronous Parallel Read Strobe.

22

PAR_CS

Asynchronous Parallel Chip Select.

23

GND

Connect to ground plane of board.

24

PAR_A3

Parallel Address Bus Bit 3.

25

PAR_A1

Parallel Address Bus Bit 1.

26

PAR_FS3

Synchronous (PPI) Parallel Frame Sync 3.

27

PAR_FS1

Synchronous (PPI) Parallel Frame Sync 1.

28

GND

Connect to ground plane of board.

29

SPORT_TDV0

SPI Data Line 3. (No connect.)1

30

SPORT_TDV1

SPI Data Line 2. (No connect.)1

31

SPORT_DR1

SPORT Data Receive 1. Secondary SPORT data into processor.

32

SPORT_DT1

SPORT Data Transmit 1. Secondary SPORT data from processor.

33

SPI_D2

SPORT Data Line. (No connect.)1

34

SPI_D3

SPORT Data Line. (No connect.)1

35

SERIAL_INT

Serial Interrupt. Used to trigger a nonperiodic serial event.

36

GND

Connect to ground plane of board.

37

SPI_SEL_B

SPI Chip Select B. Use this to control a second device on the SPI bus.

38

SPI_SEL_C

SPI Chip Select C. Use this for a third device on the SPI bus.

39

SPI_SEL1/SPI_SS

SPI Chip Select 1.2 Used to connect to SPI boot flash, if required. Also used as chip select when Blackfin

processor is operating as SPI slave.

40

GND

Connect to ground plane of board.

41

SDA_1

42

SCL_1

43

GPIO0

General-Purpose Input/Output.

44

GPIO2

General-Purpose Input/Output.

45

GPIO4

General-Purpose Input/Output.

46

GND

Connect to ground plane of board.

47

GPIO6

General-Purpose Input/Output.2

48

TMR_A

Timer A Flag Pin. Use as first timer, if required.

49

TMR_C

Timer C Flag Pin.1 (No connect.)

50

NC

No Connect. Leave this pin unconnected. Do not ground.