PCD5090 Key Features
- On-chip reference voltage FEATURES General
- The PCx509x is designed for GAP-pliant handsets and simple base stations
- Embedded 80C51 microcontroller with twice the performance of the classic architecture, up to 128 kbytes external memory
- Portable Part (PP) and Fixed Part (FP) modes
- TDMA frame (de)multiplexing; transmission or reception can be programmed for any slot
- Ciphering, scrambling, CRC checking/generation, protected B-fields
- Speech and data buffering space for six handsets
- Local call and B-field loop-back
- Two interrupt lines for BML and DSP to interrupt 80C51
- On-chip, three-channel time-multiplexed 8-bit Analog-to-Digital Converter (ADC) for RSSI measurement and battery voltage