Interface Definition - Waveshare High-Precision AD/DA Board User Manual

High-Precision AD-DA User Manual
3.

Interface Definition

Pin
1, 17
2, 4
3, 5, 7, 8, 10, 18, 22,
24, 26, 27, 28, 29,
32, 36, 38, 40
6, 9, 14, 20, 25, 30,
34, 39
11
12
13
15
16
19
21
23
31, 33, 35, 37
Revision: 1.2. Date: October 30 2015. Author: Zhou Jie. Editor: Felix
Symbol Description
3.3V Power supply (3.3V)
5V Power supply (5V)
NC NC
GND Ground
DRDY ADS1256 data ready output, low active
RESET ADS1256 reset input
PDWN ADS1256 sync/power off input, low active
CS0 ADS1256 chip select, low active
CS1 DAC8532 chip select, low active
DIN SPI data input
DOUT SPI data output
SCK SPI clock
GPIO extend to sensor interface
7