Integrated telephony microcontrollers are ideal for low cost, advanced feature phones with SMS and CID support. Support direct CID/Dialer interface. Up to 40x4 LCD driver option with on-chip charge-pump provides best LCD contrast. Flash/ROM memory options are available. Large memory size (up to 32Kx16) allows feature-rich phone designs. All software designs are supported by WIDE (Winbond Integrated Development Environment) and assembler.

• 4-bit core @ 3.58MHz
• 64/32/16KB ROM/Flash
• 5/2/1K-nibble RAM
• DTMF Generator option
• Interface to ext CID/Dialer
• 40x4 LCD controller
• 24 digital I/O
• 100QFP / 40 DIP / dice
• WIDE & Assembler support for S/W
  & Winbond ICE for H/W

• Low cost uC core
• Wide memory choices
• On-chip dialer for low cost phones
• Off-chip CID/dialer for more features
• Direct drive LCD
• High I/O count for feature rich phones
• Package and Die options matching product production
• Shorten time-to-market by mature tools

• SMS phones
• CID phones
• Feature phones
• Phone booths
• Sub-system for DECT phones
• Sub-system for video phones

4-bit MCU w/16Kx16 ROM, 5Kx4 RAM, 12IO/12I/8O I/O's, 40x16 LCD Driver

4-bit MCU w/32Kx16 ROM, 5Kx4 RAM, 12IO/12I/8O I/O's, 40x16 LCD Driver

4-bit MCU w/16Kx16 ROM, 2Kx4 RAM, 12IO/4I/8O I/O's, 40x4 LCD Driver

4-bit MCU w/16Kx16 ROM, 2Kx4 RAM, 12IO/4I/8O I/O's, 40x4 LCD Driver

2.2V~5.5V, 8Kx16 ROM, 1Kx4 RAM, 12IO/2I/8O, LCD 24x8

2.2V~5.5V (3.6MHz), 3.2V~5.5V, 16Kx16 ROM, 2Kx4 RAM, 12IO/4I/8O, LCD 40x4