Product Lines arrow µC & µC-based Consumer IC arrow 8-bit Telephony uC
8-bit Telephony Microcontrollers Overview
Highly integrated telephony microcontrollers are ideal for low cost, advanced feature phones with SMS and CID support. Simple telephone interface eases PTT certification. 1792 dot LCD driver option with on-chip charge-pump provides best LCD contrast. Flash/ROM memory options are available with in-system Flash programming support. Large memory size (256Kbytes in ‘240) allows feature-rich phone designs. All software design are supported by WIDE (Winbond Integrated Development Environment) and industry standard C-Compilers.

 
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Key Features
Benefits
  • 8051 core @ 3.58MHz
  • 256KB/64KB ROM/Flash
  • 8/4KB RAM
  • In-system programmable Flash
  • FSK/DTMF Decoder and Gen.
  • CAS Tone Decoder
  • Ring Detector
  • 1792 LCD dots controller (‘625)
  • 40 digital I/O
  • 100QFP / 160 QFP
  • WIDE & C-Compiler support for S/W & Winbond ICE for H/W
  • Ideal for SMS/CID phones
  • ISP simplifies code update
  • CID meets most regulatory standards
  • LCD driver option for single-chip solution
  • Easy to implement dial pad & user interface
  • Fast time to market with stable IDE and C-Compiler
Applications
  • SMS phones
  • CID phones
  • Feature phones
  • Phone booths
  • Sub-system for DECT phones
  • Sub-system for video phones

Product Selection Guide

Part Number
Description
Package
Datasheet
W925C240
8-BIT MCU w/256Kx8 ROM, 8Kx8 RAM, 40 I/Os, CID Type I & II
Die, PQFP100
Request
PDF
W925C625
8-BIT MCU w/64Kx8 ROM, 4Kx8 RAM, 40 I/Os, 56x32 LCD Driver, CID Type I & II
Die, PQFP160
Request
PDF
W925E240
8-BIT MCU w/256Kx8 FLASH, 8Kx8 RAM, 40 I/Os, CID Type I & II
Die, PQFP100
Request
PDF
W925E625
8-BIT MCU w/64Kx8 FLASH, 4Kx8 RAM, 40 I/Os, 56x32 LCD Driver, CID Type I & II
Die, PQFP160
Request
PDF
W925EP01
8-BIT MCU w/64Kx8 FLASH (ISP), 4Kx8 LD FLASH, 4Kx8 RAM, 64 I/Os, CID Type 1 & II
PQFP 100