PAC1934 Evaluation Board (ADM00805) User’s Guide

DS50002673A-page 32

 2017 Microchip Technology Inc.

5

12

—

Connects current source to

+5V through R string

6

23

12

—

Connect Channel 1 +input

7

23

12

—

Connect Channel 1 –input

8

23

12

—

Connect Channel 2 +input

9

23

12

—

Connect Channel 2 –input

10

23

12

—

Connect Channel 3 +input

11

23

12

—

Connect Channel 3 –input

12

23

12

—

Connect Channel 4 +input

13

23

12

—

Connect Channel 4 –input

14

12

12

23

1 +input

15

12

12

23

1 –input

16

12

12

23

+input

17

12

12

23

–input

22

12

12

—

Remove to insert current

meter if desired

23

12

12

—

Remove short to enter

SLOW mode

24

Open

Open

—

Short pins 1,2 to enter

Power Down state

25

12

12

—

Remove shut for address

22h

27

Open

Open

—

SCL, GND

28

12

12

—

Open to boost current

source to 25 mA

29

12

12

—

Remove to insert current

meter if desired

30

Open

Open

—

Measure +5 USB or

connect external 5V

Note:

Switch SW1 is shipped in the ON position. It is easy for this switched to be accidentally moved to a different

position when connecting the board. Please confirm that the switch is ON for USB communication, or OFF

for external I2C communication.

TABLE 4-1:

DEFAULT SHUNT CONNECTIONS (CONTINUED)

Jumper

no.

DEMO mode

SYSTEM/SHUNT mode

Special connection

Options/Info