Adapter board that converts the RP2350's 22-pin 0.5 mm FPC HSTX output to a full-size HDMI connector carrying DVI video — no PIO overclocking required. Supports up to 320×240 at 16-bit color (pixel-doubled to 640×480).
Output from the 3.3V regulator on the 22-pin port.
Common ground for power and logic on the 22-pin port.
Main I2C1 clock pin on the 22-pin port.
Main I2C1 data pin on the 22-pin port.
Digital I/O pin 11; also used for DVI hot plug detect through the DVI port/jumper.
Digital I/O pin 10; also used for DVI CEC through the DVI port/jumper.
HSTX peripheral pin, connected to DVI TMDS channel 0 negative.
HSTX peripheral pin, connected to DVI TMDS channel 0 positive.
HSTX peripheral pin, connected to DVI TMDS channel 1 negative.
HSTX peripheral pin, connected to DVI TMDS channel 1 positive.
HSTX peripheral pin, connected to DVI TMDS clock negative.
HSTX peripheral pin, connected to DVI TMDS clock positive.
HSTX peripheral pin, connected to DVI TMDS channel 2 negative.
HSTX peripheral pin, connected to DVI TMDS channel 2 positive.
DVI output port carrying TMDS clock/data, hot plug detect, and CEC as documented on the Adafruit pinouts page.
Cuttable jumper that disconnects the CEC signal from GPIO10.
Cuttable jumper that disconnects hot plug detect from GPIO11.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 3.3V | power | Output from the 3.3V regulator on the 22-pin port. | 3.3V | |
| GND | ground | Common ground for power and logic on the 22-pin port. | ||
| SCL/GPIO3 | i2c | Main I2C1 clock pin on the 22-pin port. | ||
| SDA/GPIO2 | i2c | Main I2C1 data pin on the 22-pin port. | ||
| D11/GPIO11 | digital | Digital I/O pin 11; also used for DVI hot plug detect through the DVI port/jumper. | ||
| D10/GPIO10 | digital | Digital I/O pin 10; also used for DVI CEC through the DVI port/jumper. | ||
| D0N/GPIO19 | display | HSTX peripheral pin, connected to DVI TMDS channel 0 negative. | ||
| D0P/GPIO18 | display | HSTX peripheral pin, connected to DVI TMDS channel 0 positive. | ||
| D1N/GPIO17 | display | HSTX peripheral pin, connected to DVI TMDS channel 1 negative. | ||
| D1P/GPIO16 | display | HSTX peripheral pin, connected to DVI TMDS channel 1 positive. | ||
| CKN/GPIO15 | display | HSTX peripheral pin, connected to DVI TMDS clock negative. | ||
| CKP/GPIO14 | display | HSTX peripheral pin, connected to DVI TMDS clock positive. | ||
| D2N/GPIO13 | display | HSTX peripheral pin, connected to DVI TMDS channel 2 negative. | ||
| D2P/GPIO12 | display | HSTX peripheral pin, connected to DVI TMDS channel 2 positive. | ||
| DVI port | connector | DVI output port carrying TMDS clock/data, hot plug detect, and CEC as documented on the Adafruit pinouts page. | ||
| CEC jumper | control | Cuttable jumper that disconnects the CEC signal from GPIO10. | ||
| HPD jumper | control | Cuttable jumper that disconnects hot plug detect from GPIO11. |
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: 3.3V, GND, SCL/GPIO3, SDA/GPIO2. Schematik maps them to your board in the app.
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