TDA9177 Pin Function | Parameter List
The TDA9177 is a high-performance integrated circuit used in various display and signal processing applications. It features a wide range of input and output functions, making it suitable for advanced video signal handling. Below is the detailed pin configuration and function description of the TDA9177.
| Foot number | Name | Voltage / V | Red pen grounding / KΩ | Black pen grounding / KΩ | Function Description |
| 1 | SC | 0.4 | 3.4 | 3.4 | Sandcastle pulse input |
| 2 | COR | 0 | 0 | 0 | Nucleation level input |
| 3 | AD1 | 0 | 0 | 0 | Analog to digital input 1 |
| 4 | LWC | 0 | 0 | 0 | Line width control input |
| 5 | YI | 1.6 | 22.0 | 15.0 | Brightness signal input |
| 6 | ADR | 0 | 0 | 0 | I2C bus address input |
| 7 | UI | 0.6 | 20.2 | 15.5 | BY color difference signal input |
| 8 | CFS | 0 | 0 | 0 | Contour filter selection |
| 9 | VI | 0.4 | 20.0 | 15.5 | RY color difference signal input |
| 10 | AD2 | 0 | 0 | 0 | Analog to digital input 2 |
| 11 | PEAK | 0 | 0 | 0 | Spike amplitude input |
| 12 | SCL | 2.0 | 6.5 | 5.0 | I2C bus clock input |
| 13 | SDA | 2.7 | 6.5 | 6.5 | I2C data input/output |
| 14 | AMS | 0 | 0 | 0 | Amplitude selection input |
| 15 | SNC | 0 | 0 | 0 | Dynamic noise control input |
| 16 | VO | 3.1 | 21.9 | 15.0 | RY color difference signal output |
| 17 | FHS | 0 | 21.9 | 15.0 | Line frequency selection input |
| 18 | UO | 3.1 | 22.0 | 15.0 | BY color difference signal output |
| 19 | GND | 0 | 0 | 0 | Ground |
| 20 | Y/O | 2.1 | 20.0 | 15.0 | Brightness selection output |
| 21 | VCC | 8.4 | 4.0 | 4.0 | Voltage supply |
| 22 | STEER | 0 | 0 | 0 | Steep control input |
| 23 | VREF | 3.9 | 17.0 | 13.8 | Reference voltage output |
| 24 | REXT | 2.0 | 10.5 | 10.0 | Resistance reference |
This detailed table provides essential information for engineers and technicians working with the TDA9177 IC. The pin-by-pin analysis helps in understanding how each pin contributes to the overall functionality of the device. Whether you're designing a new system or troubleshooting an existing one, this guide serves as a valuable reference.
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