ZHCSEZ2D January 2014 – October 2021 TCA9539-Q1
PRODUCTION DATA
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | INT | O | Interrupt open-drain output. Connect to VCC through a pull-up resistor |
| 2 | A1 | I | Address input. Connect directly to VCC or ground |
| 3 | RESET | I | Active-low reset input. Connect to VCC through a pull-up resistor if no active connection is used |
| 4 | P00 | I/O | P-port input-output. Push-pull design structure. At power-on, P00 is configured as an input |
| 5 | P01 | I/O | P-port input-output. Push-pull design structure. At power-on, P01 is configured as an input |
| 6 | P02 | I/O | P-port input-output. Push-pull design structure. At power-on, P02 is configured as an input |
| 7 | P03 | I/O | P-port input-output. Push-pull design structure. At power-on, P03 is configured as an input |
| 8 | P04 | I/O | P-port input-output. Push-pull design structure. At power-on, P04 is configured as an input |
| 9 | P05 | I/O | P-port input-output. Push-pull design structure. At power-on, P05 is configured as an input |
| 10 | P06 | I/O | P-port input-output. Push-pull design structure. At power-on, P06 is configured as an input |
| 11 | P07 | I/O | P-port input-output. Push-pull design structure. At power-on, P07 is configured as an input |
| 12 | GND | — | Ground |
| 13 | P10 | I/O | P-port input-output. Push-pull design structure. At power-on, P10 is configured as an input |
| 14 | P11 | I/O | P-port input-output. Push-pull design structure. At power-on, P11 is configured as an input |
| 15 | P12 | I/O | P-port input-output. Push-pull design structure. At power-on, P12 is configured as an input |
| 16 | P13 | I/O | P-port input-output. Push-pull design structure. At power-on, P13 is configured as an input |
| 17 | P14 | I/O | P-port input-output. Push-pull design structure. At power-on, P14 is configured as an input |
| 18 | P15 | I/O | P-port input-output. Push-pull design structure. At power-on, P15 is configured as an input |
| 19 | P16 | I/O | P-port input-output. Push-pull design structure. At power-on, P16 is configured as an input |
| 20 | P17 | I/O | P-port input-output. Push-pull design structure. At power-on, P17 is configured as an input |
| 21 | A0 | I | Address input. Connect directly to VCC or ground |
| 22 | SCL | I | Serial clock bus. Connect to VCC through a pull-up resistor |
| 23 | SDA | I/O | Serial data bus. Connect to VCC through a pull-up resistor |
| 24 | VCC | — | Supply voltage |