PCD5091

Features: · 80C51 ports P0, P1, P2 and P3 available for interfacing o display, keyboard, I2C-bus, interrupt sources and/or xternal memory. Integrated 64 kbyte ROM, 3 kbytes of ata memory and 1 kbyte SDR-RAM. External program emory is addressable up to 128 kbytes· +2.7 to +5 V port (P0 to P3) inter...

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PCD5091 Picture
SeekIC No. : 004456378 Detail

PCD5091: Features: · 80C51 ports P0, P1, P2 and P3 available for interfacing o display, keyboard, I2C-bus, interrupt sources and/or xternal memory. Integrated 64 kbyte ROM, 3 kbytes of ata memory and 1 kbyte...

floor Price/Ceiling Price

Part Number:
PCD5091
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

· 80C51 ports P0, P1, P2 and P3 available for interfacing o display, keyboard, I2C-bus, interrupt sources and/or xternal memory. Integrated 64 kbyte ROM, 3 kbytes of ata memory and 1 kbyte SDR-RAM. External program emory is addressable up to 128 kbytes
· +2.7 to +5 V port (P0 to P3) interface
· TDMA frame (de)multiplexing. Transmission or eception can be programmed for any slot
· Ciphering, scrambling, CRC checking/generation and rotected 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 nalog-to-Digital Converter (ADC) for RSSI easurement, one for battery voltage measurement nd one channel available for other purposes
· On-chip 8-bit Digital-to-Analog Converter (DAC) for lectronic potentiometer function
· Phase error measurement and phase error correction by ardware
· DACs and ADCs for dynamic earpiece and dynamic or lectret microphone
· On-chip reference voltage
· On-chip supply for electret microphone
· Very low ohmic buzzer output
· Serial interface to external ADPCM CODEC (PCD5032) r 8 kHz u-law samples
· Speech switch for Digital Telephone Answering Machine (DTAM) connected to SPI interface
· IOM-2 interface (Siemens registered trademark)
· Serial interface to synthesizer for frequency programming
· Programmable polarity and timing of radio-control signals
· GMSK pulse shaper
· Easy interfacing with radio circuits, operating at other supply voltage (RF supply pin with level shifter for RF signals)
· On-chip comparator for use as data-slicer
· Low power oscillator with integrated frequency adjustment
· QFP100 and LQFP100 packages
· Power-on-reset
· Programmable power-down modes
· Low supply voltage (2.7 to 3.6 V)
· CMOS technology



Pinout

  Connection Diagram


Description

The PCD5091 is designed for GAP-compliant handsets ith speaker-phone option. PCD5091 has an embedded 80C51 icrocontroller with twice the performance of the classic rchitecture, 64 kbytes of PROM program memory and kbytes of data memory on-chip. In addition there is kbyte of on-chip data memory that is shared with on-chip urst Mode Logic (BML) and DSP, the System Data RAM SDR).




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