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Key Specs Summary(13)
- Clock Frequency
- 1MHz
- features
- Keyboard matrix scanning;PWMOptocouplers;Reset function
- Current Output High Ioh
- 5mA
- interface
- I2C
- Interrupt Output
- Interrupt Output
- Current Output Low Iol
- 10mA
- Number Of I O
- 10
- Operating Temperature
- -40℃~+85℃
- Output Type
- Push-Pull;Open-drain
- package
- LFCSP-16(3x3)
- Pin CountEnriched
- 16
- Quiescent Supply Current
- 1uA
- Voltage Supply
- 1.65 to 3.6V
Datasheet Extracted
Facts extracted directly from the datasheet (sourced)Pin Configuration · LFCSP · 16 pins
| # | Name | Type | Function |
|---|---|---|---|
| 1 | R4 | bidirectional | GPIO 5 (GPIO Alternate Function: RESET1). This pin functions as Row 4 when used as a keypad. |
| 2 | R3 | bidirectional | GPIO 4 (GPIO Alternate Function: Logic Block Input LC, PWM_OUT). This pin functions as Row 3 when used as a keypad. |
| 3 | R2 | bidirectional | GPIO 3 (GPIO Alternate Function: Logic Block Input LB). This pin functions as Row 2 when used as a keypad. |
| 4 | R1 | bidirectional | GPIO 2 (GPIO Alternate Function: Logic Block Input LA). This pin functions as Row 1 when used as a keypad. |
| 5 | R0 | bidirectional | GPIO 1 (GPIO Alternate Function: Logic Block Output LY). This pin functions as Row 0 when used as a keypad. |
| 6 | C0 | bidirectional | GPIO 7. This pin functions as Column 0 when used as a keypad. |
| 7 | C1 | bidirectional | GPIO 8. This pin functions as Column 1 when used as a keypad. |
| 8 | C2 | bidirectional | GPIO 9. This pin functions as Column 2 when used as a keypad. |
| 9 | C3 | bidirectional | GPIO 10 (GPIO Alternate Function: PWM_IN). This pin functions as Column 3 when used as a keypad. |
| 10 | C4 | bidirectional | GPIO 11 (GPIO Alternate Function: RESET2). This pin functions as Column 4 when used as a keypad. |
| 11 | RST/R5 | input | Input Reset Signal. |
| 12 | VDD | power in | Supply Voltage Input. |
| 13 | GND | power in | Ground. |
| 14 | SDA | bidirectional | I2C Data Input/Output. |
| 15 | SCL | input | I2C Clock Input. |
| 16 | INT | open collector | Open-Drain Interrupt Output. |
Absolute Maximum Ratings
| VDD to GND | 4V | |
| SCL, SDA, RST, INT, R0, R1, R2, R3, R4, C0, C1, C2, C3, C4 to GND | VDD + 0.3V | |
| Operating (Ambient) Temperature | 85°C | |
| Operating (Junction) Temperature | 125°C | |
| Storage Temperature | 150°C |
Recommended Operating
| Operating (Ambient) Temperature | -40°C | |
| Operating (Ambient) Temperature | 85°C |
Thermal
- theta ja
- 67.154