AMC7812EVM Hardware Setup
2.2
Signal Definitions of J1 (20-Pin Male Connector Socket)
The AMC7812EVM includes a 20-pin connector socket used to communicate between the EVM and the
SDM-USB-DIG platform. The pin out of the J1 connector is shown in
.
Table 3. J1 Signal Definition
Pin on J1
Signal
Description
1
SCL
I
2
C clock signal (SCL)
2
DIG_GPIO2
GPIO – Control output or measure input
3
DIG_GPIO0
GPIO – Control output or measure input
4
DIG_GPIO3
GPIO – Control output or measure input
5
SDA
I
2
C data signal (SDA)
6
DIG_GPIO4
GPIO – Control output or measure input
7
DIG_GPIO1
GPIO – Control output or measure input
8
DIG_GPIO5
GPIO – Control output or measure input
9
MOSI
SPI data output (MOSI)
10
DIG_GPIO6
GPIO – Control output or measure input
Switchable DUT power supply: +3.3 V, +5 V, Hi-Z (disconnected).
11
VDUT
Note: When VDUT is Hi-Z all digital I/O are Hi-Z as well.
12
DIG_GPIO7
GPIO – Control output or measure input
13
SCLK
SPI clock signal (SCLK)
14
DIG_GPIO8
GPIO – Control output or measure input
15
GND
Power return (GND)
16
DIG_GPIO9
GPIO – Control output or measure input
17
CS
SPI chip select signal (/CS)
18
DIG_GPIO10
GPIO – Control output or measure input
19
MISO
SPI data input (MISO)
20
DIG_GPIO11
GPIO – Control output or measure input
5
SBAU177D – September 2010 – Revised August 2014
AMC7812EVM-PDK User’s Guide
Copyright © 2010–2014, Texas Instruments Incorporated