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2 j2 (25-pin female dsub) – Texas Instruments PGA309EVM-USB User Manual

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System Setup

2.4.2

J2 (25-Pin Female DSUB)

Table 3

shows the different signals connected to J2 on the PGA309_Test_Board. This table also identifies

signals connected to pins on J2 that are not used on PGA309_Test_Board.

Table 3. J2 Pinout (25-Pin Female DSUB)

Pin on J2

Signal

Used on This EVM

PGA309 Pin

1

NC

No

2

CTRL1

Yes

Convert

3

CTRL2

Yes

GPIO

4

CTRL3

No

5

CTRL4

No

6

CTRL5

No

7

CTRL6

No

8

CTRL7

No

9

CTRL8

No

10

MEAS1

Yes

Warning

11

MEAS2

Yes

GPIO

12

MEAS3

Yes

Overlimit

13

MEAS4

Yes

Critical

14

MEAS5

Yes

ALT

15

MEAS6

No

16

MEAS7

No

17

MEAS8

No

18

SPI_SCK

No

19

SPI_CS2

No

20

SPI_DOUT2

No

21

SPI_DIN2

No

22

V

DUT

No

V

S

23

V

CC

No

24

GND

Yes

GND

25

GND

Yes

GND

15

SBOU084 – February 2010

PGA309EVM-USB

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