31
Chapter 5 Operation Guide
5-Pulse Adjustment
（1）Hardware parts configuration
Pins standard-DB25, 25 pins. Pin 1 to Pin 25.
DB25-PIN2 - SDI
DB25-PIN3 - SCL
DB25-PIN22- EN
Hardware logic as below:
Sample the input data at the rising edge of SCL when EN is HIGH valid.
（2）Protocal
High nibble first, pulse duration setting range is within 4BYTE, 32bit.
[HEAD] ->[PULSEWIDTH]
2BYTE 2BYTE
HEAD = 0x A501
PULSEWIDTH
Bytes sequence is as follows, 32bit is from high to low
10ns=0x A501000A, 32bit
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