PCF5083 is a GSM signal processing IC produced by Philips. It is used in the GSM chip set of mobile phones, mainly responsible for controlling the power on and off of mobile phones, frequency setting, gain control and other functions.
The PCF5083 is an integrated circuit fabricated in a 0.5 um CMOS process with a 128-lead LQFP package. It operates at 3.3V and includes an embedded 16-bit DSP core for all GSM-specific signal processing tasks, such as equalization, channel encoding/decoding, and encryption using A5/1 and A5/2 algorithms.
The chip also features a Timer and Interface core containing peripheral functions to simplify system design. Key capabilities include flexible power-down modes, an on-chip PLL for clock generation, and interfaces for RS232 communication, IOM-2 accessories, and RF-ICs via a three-wire serial control bus.
| Process Technology | 0.5 um CMOS process with 3-layer metal |
|---|---|
| Package Type | LQFP128 (SOT420AA-2) |
| Operating Voltage | 3.3 V |
| DSP Core Type | 16-bit fixed point DSP |
| Clock Speed | 19.5 MHz or external clock operation |
| On-chip Program RAM | 5 kbyte |
| On-chip Data ROM | 2kbyte |
| On-chip Program ROM | 16 kbyte |
The PCF5083 is suitable for use in GSM mobile stations or hand-helds.
Yes, it includes dedicated hardware for encryption and decryption using A5/1 and A5/2 algorithms.
The chip provides programmable TDMA timing with 0.25 bit resolution.