Texas Instruments BUF18830EVM User Manual page 6

Overview
1.3 Signal Definitions of J1 (25-Pin Male DSUB)
Table 2 lists the various signals connected to J1 on the BUF18830EVM test board.
Table 2. Signal Definition of J1 (25-Pin Male DSUB) on BUF18830EVM Board
Pin on J1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
6
BUF18830EVM User Guide and Software Tutorial
Signal
1 N/C
2 N/C
3 N/C
4 N/C
5 N/C
6 N/C
7 N/C
8 N/C
9 I2C_SCK
I2C_SDA2
N/C
I2C_SCK_ISO
I2C_SDA_ISO
N/C
N/C
N/C
V
DUT
V
N/C
N/C
GND
SPI_SCK
SPI_CS1
SPI_DOUT1
SPI_DIN1
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BUF18830 Pin
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
2
I C clock signal (SCL) channel 1; can be
disconnected using a switch
2
I C data signal (SDA) channel 1; can be
disconnected using a switch
No connection
No connection
No connection
Switched 3V/5V power. Note that when
power is switched off, digital I/O is also
switched off.
No connection
CC
No connection
No connection
Common ground connection
No connection
No connection
No connection
No connection
SBOU103A – April 2011 – Revised May 2016
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