Datasheet

BUF18830EVM Hardware Setup www.ti.com
2.2 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 Signal BUF18830 Pin
1 N/C No connection
2 N/C No connection
3 N/C No connection
4 N/C No connection
5 N/C No connection
6 N/C No connection
7 N/C No connection
8 N/C No connection
9 I2C_SCK No connection
10 I2C_SDA2 No connection
11 N/C No connection
I
2
C clock signal (SCL) channel 1; can be
12 I2C_SCK_ISO
disconnected using a switch
I
2
C data signal (SDA) channel 1; can be
13 I2C_SDA_ISO
disconnected using a switch
14 N/C No connection
15 N/C No connection
16 N/C No connection
Switched 3V/5V power. Note that when
17 V
DUT
power is switched off, digital I/O is also
switched off.
18 V
CC
No connection
19 N/C No connection
20 N/C No connection
21 GND Common ground connection
22 SPI_SCK No connection
23 SPI_CS1 No connection
24 SPI_DOUT1 No connection
25 SPI_DIN1 No connection
6
BUF18830EVM User Guide and Software Tutorial SBOU103–April 2011
Submit Documentation Feedback
© 2011, Texas Instruments Incorporated