Datasheet

www.ti.com Serial Interface and Programming Connectors
Figure 2. USB I
2
C Interface Module
5 Serial Interface and Programming Connectors
5.1 Serial Interface “J”
The table below shows the pin configuration for the COP8 controller for all interface modes.
Pin Name I2C Board Pin/COP8 Pin Comment
SDA (Data out) SDA / 40 R = 2 kΩ
(1)
SCL (Clock) SCL / 39 R = 2 kΩ
(1)
Analog Ch. 6/GPIO A5 / 38
(2)
Analog Ch. 5/GPIO A4 / 37
(2)
Analog Ch. 4/GPIO A3 / 36
(2)
Analog Ch. 3/GPIO A2 / 35
(2)
Analog Ch. 2/GPIO A1 / 34
(2)
Analog Ch. 1/GPIO A0 / 33
(2)
(1)
Must have a pull-up resistor on application hardware for SCL and SDA lines.
(2)
Do not use any of A5 - A0 pins as a ground connection. Connect both application and I
2
C grounds together to make a good
ground connection between the two boards. (Refer to I
2
C picture for GND pin.)
3
SNVA343A–April 2008–Revised April 2013
AN-1840 USB I
2
C Interface Board Reference Manual
Submit Documentation Feedback
Copyright © 2008–2013, Texas Instruments Incorporated