Overview
The PCF7961ATT/C00V1,5 is a highly integrated RF transmitter and security transponder IC developed by NXP USA Inc. This single-chip solution combines a security transponder, a RISC microcontroller, and a UHF transmitter, making it ideal for remote keyless entry and vehicle immobilization systems. The device is designed to enhance passenger and driver convenience in modern vehicles by providing a compact, cost-effective, and highly reliable solution.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency | 315 MHz, 434 MHz |
| Modulation | ASK, FSK |
| Data Rate (Max) | 20 kbps (Manchester) |
| Supply Voltage | 2.1 V to 3.6 V (single lithium cell operation) |
| Package | 20-pin TSSOP (SOT360-1) |
| Memory | 4/8 Kbytes E-ROM, 4 Kbytes ROM, 512 bytes EEPROM, 192 bytes RAM |
| Operating Temperature | |
| Button Inputs | Up to seven command button inputs |
Key Features
- Single-chip security transponder and keyless entry solution with on-chip UHF transmitter.
- Compatible with PCF7936 family transponder operation.
- Low power RISC programmable device operation.
- On-chip PLL based UHF transmitter.
- Programmable ASK/FSK modulation characteristics.
- Programmable ‘battery low’ detection.
- Full suite of on-chip memory: 4/8 Kbytes E-ROM, 4 Kbytes ROM, 512 bytes EEPROM, 192 bytes RAM.
- Factory programmed serial number (32-bit).
- Low power consumption and highly integrated design to minimize board space.
- Cost-effective solution with low Bill of Materials.
- Easily programmable application code using FLASH-like programming.
Applications
The PCF7961ATT/C00V1,5 is primarily used in remote keyless entry and vehicle immobilization systems. It is designed to fit compact key designs and offers a cost-effective solution for advanced vehicle access applications.
- Remote Keyless Entry Systems
- Vehicle Immobilization Systems
Q & A
- What is the primary function of the PCF7961ATT/C00V1,5?
The primary function is to serve as a single-chip security transponder and keyless entry solution with an on-chip UHF transmitter.
- What frequencies does the PCF7961ATT/C00V1,5 operate on?
The device operates on 315 MHz and 434 MHz frequencies.
- What types of modulation does the PCF7961ATT/C00V1,5 support?
The device supports ASK and FSK modulation.
- What is the maximum data rate of the PCF7961ATT/C00V1,5?
The maximum data rate is 20 kbps (Manchester).
- What is the supply voltage range for the PCF7961ATT/C00V1,5?
The supply voltage range is 2.1 V to 3.6 V, supporting single lithium cell operation.
- What type of package does the PCF7961ATT/C00V1,5 come in?
The device comes in a 20-pin TSSOP (SOT360-1) package.
- How much on-chip memory does the PCF7961ATT/C00V1,5 have?
The device has 4/8 Kbytes E-ROM, 4 Kbytes ROM, 512 bytes EEPROM, and 192 bytes RAM.
- Does the PCF7961ATT/C00V1,5 support battery low detection?
Yes, it supports programmable ‘battery low’ detection.
- What are the key applications of the PCF7961ATT/C00V1,5?
The key applications include remote keyless entry and vehicle immobilization systems.
- Is the PCF7961ATT/C00V1,5 easy to program for application code?
Yes, it supports FLASH-like programming for easy system upgrade.
