- I2C ADDR: 0x45
MODE CONFING
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x00 | MODE_CH_1 | 1 BYTE | R/W |
| 0x01 | MODE_CH_2 | 1 BYTE | R/W |
| 0x02 | MODE_CH_3 | 1 BYTE | R/W |
| 0x03 | MODE_CH_4 | 1 BYTE | R/W |
| 0x04 | MODE_CH_5 | 1 BYTE | R/W |
| 0x05 | MODE_CH_6 | 1 BYTE | R/W |
| 0x06 | MODE_CH_7 | 1 BYTE | R/W |
| 0x07 | MODE_CH_8 | 1 BYTE | R/W |
- Value:
DIGITAL_INPUT_MODE=0
DIGITAL_OUTPUT_MODE=1
ADC_INPUT_MODE=2
SERVO_CTL_MODE=3
RGB_LED_MODE=4
PWM_MODE=5DIGITAL INPUT/OUTPUT
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x10 | OUTPUT_CTL_REG_CH_1 | 1 BYTE | W |
| 0x11 | OUTPUT_CTL_REG_CH_2 | 1 BYTE | W |
| 0x12 | OUTPUT_CTL_REG_CH_3 | 1 BYTE | W |
| 0x13 | OUTPUT_CTL_REG_CH_4 | 1 BYTE | W |
| 0x14 | OUTPUT_CTL_REG_CH_5 | 1 BYTE | W |
| 0x15 | OUTPUT_CTL_REG_CH_6 | 1 BYTE | W |
| 0x16 | OUTPUT_CTL_REG_CH_7 | 1 BYTE | W |
| 0x17 | OUTPUT_CTL_REG_CH_8 | 1 BYTE | W |
| 0x20 | DIGITAL_INPUT_REG_CH_1 | 1 BYTE | R |
| 0x21 | DIGITAL_INPUT_REG_CH_2 | 1 BYTE | R |
| 0x22 | DIGITAL_INPUT_REG_CH_3 | 1 BYTE | R |
| 0x23 | DIGITAL_INPUT_REG_CH_4 | 1 BYTE | R |
| 0x24 | DIGITAL_INPUT_REG_CH_5 | 1 BYTE | R |
| 0x25 | DIGITAL_INPUT_REG_CH_6 | 1 BYTE | R |
| 0x26 | DIGITAL_INPUT_REG_CH_7 | 1 BYTE | R |
| 0x27 | DIGITAL_INPUT_REG_CH_8 | 1 BYTE | R |
- Value:
HIGH:1 / LOW:08B ANALOG INPUT
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x30 | ANALOG_INPUT_8B_REG_CH_1 Value: 0-255 |
1 BYTE | R |
| 0x31 | ANALOG_INPUT_8B_REG_CH_2 Value: 0-255 |
1 BYTE | R |
| 0x32 | ANALOG_INPUT_8B_REG_CH_3 Value: 0-255 |
1 BYTE | R |
| 0x33 | ANALOG_INPUT_8B_REG_CH_4 Value: 0-255 |
1 BYTE | R |
| 0x34 | ANALOG_INPUT_8B_REG_CH_5 Value: 0-255 |
1 BYTE | R |
| 0x35 | ANALOG_INPUT_8B_REG_CH_6 Value: 0-255 |
1 BYTE | R |
| 0x36 | ANALOG_INPUT_8B_REG_CH_7 Value: 0-255 |
1 BYTE | R |
| 0x37 | ANALOG_INPUT_8B_REG_CH_8 Value: 0-255 |
1 BYTE | R |
12B ANALOG INPUT
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x40 | ANALOG_INPUT_12B_REG_CH_1 Value: 0-4095 |
2 BYTE | R |
| 0x42 | ANALOG_INPUT_12B_REG_CH_2 Value: 0-4095 |
2 BYTE | R |
| 0x44 | ANALOG_INPUT_12B_REG_CH_3 Value: 0-4095 |
2 BYTE | R |
| 0x46 | ANALOG_INPUT_12B_REG_CH_4 Value: 0-4095 |
2 BYTE | R |
| 0x48 | ANALOG_INPUT_12B_REG_CH_5 Value: 0-4095 |
2 BYTE | R |
| 0x4A | ANALOG_INPUT_12B_REG_CH_6 Value: 0-4095 |
2 BYTE | R |
| 0x4C | ANALOG_INPUT_12B_REG_CH_7 Value: 0-4095 |
2 BYTE | R |
| 0x4E | ANALOG_INPUT_12B_REG_CH_8 Value: 0-4095 |
2 BYTE | R |
SERVO ANGLE CTL
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x50 | SERVO_ANGLE_8B_REG_CH_1 Value: 0-180deg |
1 BYTE | R/W |
| 0x51 | SERVO_ANGLE_8B_REG_CH_2 Value: 0-180deg |
1 BYTE | R/W |
| 0x52 | SERVO_ANGLE_8B_REG_CH_3 Value: 0-180deg |
1 BYTE | R/W |
| 0x53 | SERVO_ANGLE_8B_REG_CH_4 Value: 0-180deg |
1 BYTE | R/W |
| 0x54 | SERVO_ANGLE_8B_REG_CH_5 Value: 0-180deg |
1 BYTE | R/W |
| 0x55 | SERVO_ANGLE_8B_REG_CH_6 Value: 0-180deg |
1 BYTE | R/W |
| 0x56 | SERVO_ANGLE_8B_REG_CH_7 Value: 0-180deg |
1 BYTE | R/W |
| 0x57 | SERVO_ANGLE_8B_REG_CH_8 Value: 0-180deg |
1 BYTE | R/W |
SERVO PULSE CTL
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x60 | SERVO_PULSE_16B_REG_CH_1 Value: 500-2500us |
2 BYTE | R/W |
| 0x62 | SERVO_PULSE_16B_REG_CH_2 Value: 500-2500us |
2 BYTE | R/W |
| 0x64 | SERVO_PULSE_16B_REG_CH_3 Value: 500-2500us |
2 BYTE | R/W |
| 0x66 | SERVO_PULSE_16B_REG_CH_4 Value: 500-2500us |
2 BYTE | R/W |
| 0x68 | SERVO_PULSE_16B_REG_CH_5 Value: 500-2500us |
2 BYTE | R/W |
| 0x6A | SERVO_PULSE_16B_REG_CH_6 Value: 500-2500us |
2 BYTE | R/W |
| 0x6C | SERVO_PULSE_16B_REG_CH_7 Value: 500-2500us |
2 BYTE | R/W |
| 0x6E | SERVO_PULSE_16B_REG_CH_8 Value: 500-2500us |
2 BYTE | R/W |
RGB LED CTL
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x70 | RGB_24B_REG_CH_1：RGB 888 | 3 BYTE | R/W |
| 0x73 | RGB_24B_REG_CH_2：RGB 888 | 3 BYTE | R/W |
| 0x76 | RGB_24B_REG_CH_3：RGB 888 | 3 BYTE | R/W |
| 0x79 | RGB_24B_REG_CH_4：RGB 888 | 3 BYTE | R/W |
| 0x7C | RGB_24B_REG_CH_5：RGB 888 | 3 BYTE | R/W |
| 0x7F | RGB_24B_REG_CH_6：RGB 888 | 3 BYTE | R/W |
| 0x82 | RGB_24B_REG_CH_7：RGB 888 | 3 BYTE | R/W |
| 0x85 | RGB_24B_REG_CH_8：RGB 888 | 3 BYTE | R/W |
PWM DUTYCYCLE CTL
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0x90 | PWM_DUTYCUCLE_REG_CH_1 Value: 0-100 |
2 BYTE | R/W |
| 0x91 | PWM_DUTYCUCLE_REG_CH_2 Value: 0-100 |
2 BYTE | R/W |
| 0x92 | PWM_DUTYCUCLE_REG_CH_3 Value: 0-100 |
2 BYTE | R/W |
| 0x93 | PWM_DUTYCUCLE_REG_CH_4 Value: 0-100 |
2 BYTE | R/W |
| 0x94 | PWM_DUTYCUCLE_REG_CH_5 Value: 0-100 |
2 BYTE | R/W |
| 0x95 | PWM_DUTYCUCLE_REG_CH_6 Value: 0-100 |
2 BYTE | R/W |
| 0x96 | PWM_DUTYCUCLE_REG_CH_7 Value: 0-100 |
2 BYTE | R/W |
| 0x97 | PWM_DUTYCUCLE_REG_CH_8 Value: 0-100 |
2 BYTE | R/W |
PWM FREQUENCY CTL
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0xA0 | PWM_FREQUENCY_REG Value: 0-4 |
1 BYTE | R/W |
?>Note: Do not write to the I2C address configuration register repeatedly at high frequency.
CONFIG
| REG | DESC | LEN | R/W |
|---|---|---|---|
| 0xFE | FW VERSION | 1 BYTE | R |
| 0xFF | I2C ADDR CONFIG (warn: Repeated writing may cause partition damage) | 1 BYTE | R/W |
- V3:
- Migrated development environment to STM32CubeIDE.
- Added PWM Mode support with extended configuration registers (PWM duty cycle & frequency control).
- Added I2C IAP (In-Application Programming) functionality for firmware upgrades via I2C interface.