Texas Instruments BUF08832, User Manual, Page: 6 / 32

BUF08832EVM Hardware Setup
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2.2 Signal Definitions of J1 (25-Pin Male DSUB)
Table 1 lists the different signals connected to J1 on the BUF08832_Test_Board. Table 1 also identifies
signals connected to pins on J1 that are not used on the BUF08832_Test_Board.
Table 1. Signal Definition of J1 (25-Pin Male DSUB) on BUF08832_Test_Board
PIN On J1 Signal BUF08832 Pin
1 NC No connection
2 NC No connection
3 NC No connection
4 NC No connection
5 NC No connection
6 NC No connection
7 NC No connection
8 NC No connection
9 I
2
C_SCK No connection
10 I
2
C_SDA2 No connection
11 NC No connection
I
2
C clock signal (SCL) channel 1; can be
12 I
2
C_SCK_ISO
disconnected using a switch
I
2
C data signal (SDA) channel 1; can be
13 I
2
C_SDA_ISO
disconnected using a switch
14 NC No connection
15 NC No connection
16 NC No connection
Switched 3V or 5V power. Note that when
17 V
DUT
power is switched off, the digital I/O is also
switched off.
18 V
CC
No connection
19 NC No connection
20 NC No connection
21 GND Common or ground connection for power.
22 SPI_SCK No connection
23 SPI_CS1 No connection
24 SPI_DOUT No connection
25 SPI_DIN1 No connection
6 BUF08832EVM User Guide and Software Tutorial SBOU081 – November 2009
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