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I2C Baseaddress: 0x74 (changeable with Firmware update). I2C with 8Bit Register Address with 8Bit Data. I2C CLK currently 20 MHz supported.
Write Access:
| Register Address | Name | Description |
|---|---|---|
| 0 | FAN CTRL | Enable FAN1 (Bit7) |
| 1 | FAN1 PWM | FAN1 PWM (0%-100%, Default 80%) |
Read Access:
| Register Address | Name | Description |
|---|---|---|
| 0 | FAN CTRL | FAN Control register |
| 1 | FAN1 RPS | FAN1 Revolutions per second |
Button
Button is debounced and controls PROG_B signal from FPGA.
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| Date | Document Revision | CPLD Firmware Revision | Supported PCB Revision | Authors | Description | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| REV02 | REV01 |
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| 2017-08-06 | v.4 | REV01 | REV01 | John Hartfiel |
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| 2017-05-29 | v.1 | --- |
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| All |
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