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PCD5090 Datasheet(PDF) 2 Page - NXP Semiconductors |
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PCD5090 Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 16 page  1996 Oct 17 2 Philips Semiconductors Objective specification DECT baseband controllers PCD5090; PCA5097 INTRODUCTION This data sheet details the specific features of the: PCD5090/xxx; DSP-ROM, with external ROM PCA5097/xxx; DSP-ROM, with Field Electronically Erasable Programmable Read Only Memory (FEEPROM). FEATURES General • The PCx509x is designed for GAP-compliant handsets and simple base stations • Embedded 80C51 microcontroller with twice the performance of the classic architecture, up to 128 kbytes external memory or 64 kbytes FEEPROM program memory and 3 kbytes of data memory on chip. In addition there is 1 kbyte of on-chip data memory that is shared with on-chip Burst Mode Logic (BML) and DSP, the System Data RAM (SDR). • 80C51 ports P0, P1, P2 and P3 available for interfacing to display, keyboard, I2C-bus, interrupt sources and/or external memory. External program memory is addressable up to 128 kbytes (PCD5090/xxx and PCA5097/xxx). • 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 measurement. One channel available for other purposes. • On-chip 8-bit DAC for frequency adjustment of 13.824 MHz on-chip crystal oscillator • Phase error measurement and phase error correction by hardware • Digital-to-Analog Converters (DACs) and ADCs for dynamic earpiece and dynamic or electret microphone • On-chip reference voltage • On-chip supply for electret microphone • Very low ohmic buzzer output • Serial interface to external ADPCM CODEC (PCD5032) • IOM-2interface (Siemens registered trademark) • Serial interface to synthesizer for frequency programming • Programmable timing of radio-control signals • Programmable polarity of radio-control signals • Easy interfacing with radio circuits, operating at other supply voltage • Programmable GMSK pulse shaper • On-chip comparator for use as bit-slicer • Power-on reset • Low supply voltage (2.7 to 5.5 V) • SACMOS technology. DSP software features • ADPCM encoding and decoding complying with G.721 • Speech filters • Programmable gain in speech paths • Side tone and soft mute • Ringer and tone (DTMF) generator • Dial tone detection • Echo cancellation • Automatic gain control • Telephone Answering Machine (TAM) switch • Conference call (PCD5090/400) • Hands-free operation (PCD5090/311). For each DSP software version a separate manual is available, in which detailed information is provided on how parameters must be set. |
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