ZHCSJQ8C may 2019 – june 2023 TCA9548A-Q1
PRODUCTION DATA
- 1
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Parameter Measurement Information
- 8 Detailed Description
- Application and Implementation
- Power Supply Recommendations
- 9 Layout
- 10Device and Documentation Support
- Mechanical, Packaging, and Orderable Information
5 Pin Configuration and Functions
Figure 5-1 RGE Package, 24-Pin VQFN, Top ViewTable 5-1 Pin Functions
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NAME | QFN (RGE) | ||
| A0 | 22 | I | Address input 0. Connect directly to VCC or ground |
| A1 | 23 | I | Address input 1. Connect directly to VCC or ground |
| A2 | 18 | I | Address input 2. Connect directly to VCC or ground |
| GND | 9 | — | Ground |
| RESET | 24 | I | Active-low reset input. Connect to VCC or VDPUM(1) through a pull-up resistor, if not used |
| SD0 | 1 | I/O | Serial data 0. Connect to VDPU0(1) through a pull-up resistor |
| SC0 | 2 | I/O | Serial clock 0. Connect to VDPU0(1) through a pull-up resistor |
| SD1 | 3 | I/O | Serial data 1. Connect to VDPU1(1) through a pull-up resistor |
| SC1 | 4 | I/O | Serial clock 1. Connect to VDPU1(1) through a pull-up resistor |
| SD2 | 5 | I/O | Serial data 2. Connect to VDPU2(1) through a pull-up resistor |
| SC2 | 6 | I/O | Serial clock 2. Connect to VDPU2(1) through a pull-up resistor |
| SD3 | 7 | I/O | Serial data 3. Connect to VDPU3(1) through a pull-up resistor |
| SC3 | 8 | I/O | Serial clock 3. Connect to VDPU3(1) through a pull-up resistor |
| SD4 | 10 | I/O | Serial data 4. Connect to VDPU4(1) through a pull-up resistor |
| SC4 | 11 | I/O | Serial clock 4. Connect to VDPU4(1) through a pull-up resistor |
| SD5 | 12 | I/O | Serial data 5. Connect to VDPU5(1) through a pull-up resistor |
| SC5 | 13 | I/O | Serial clock 5. Connect to VDPU5(1) through a pull-up resistor |
| SD6 | 14 | I/O | Serial data 6. Connect to VDPU6(1) through a pull-up resistor |
| SC6 | 15 | I/O | Serial clock 6. Connect to VDPU6(1) through a pull-up resistor |
| SD7 | 16 | I/O | Serial data 7. Connect to VDPU7(1) through a pull-up resistor |
| SC7 | 17 | I/O | Serial clock 7. Connect to VDPU7(1) through a pull-up resistor |
| SCL | 19 | I/O | Serial clock bus. Connect to VDPUM(1) through a pull-up resistor |
| SDA | 20 | I/O | Serial data bus. Connect to VDPUM(1) through a pull-up resistor |
| VCC | 21 | Power | Supply voltage |
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the controller I2C reference voltage and VDPU0-VDPU7 are the target channel reference voltages.