Hantek DDS-3X25

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The Hantek DDS-3X25 is a 25MHz PC-based function generator. It has no external controls, requiring a USB connection to a computer.

Hardware

TODO.

Photos

Protocol

0xA0: configure

Configures the device. The payload is 6 bytes as below:

Byte Bit Description
1 Mode
7
6
5 1 = Reset external trigger (send only once)
4 1 = External trigger mode enabled
3 External trigger: 0 = falling, 1 = rising
2 0 = continuous, 1 = single wave
1 Counter reset: 0 = leave, 1 = reset
0 Measurement: 0 = frequency, 1 = counter
2
7
6
5
4
3
2
1
0 Output: 0 = pattern generator, 1 = programmable output
3 Digital I/O pins, bits 0-7
4 Bits 0-3 = digital I/O pins bits 8-11, bits 4-7 unused
5 Clock divider, based on 48KHz clock
6