Winbond Electronics Corporation, a leading supplier of semiconductor solutions, today announced that it has rolled out the W742C814, a cost-effective telephony solution. The chip's economical design provides cost-effective solutions for feature phones and also offers an efficient choice for control panels, remote controls, exchange rate calculators and other household and consumer electronic products. The W742C814 IC's competitive cost has made it the IC of choice for customers developing a wide variety of applications. The chip has received wide spread acceptance from customers in Taiwan, China, West Eastern Asia, Europe and the United States. Winbond's W742Cproduct series offers a complete development system. This tool allows designers and developers to quickly and efficiently develop new products.
W742C814 is CMOS chip, utilizing a 4-bit processor as its core. It features two built-in multi function timers, DTMF generator, low voltage Reset Detector, and a 32 x 4 LCD driver. The product connects readily to a 32768Hz chip. Winbond's family of IC solutions, coupled with the flexibility of the W742C814, and its wide applicability to consumer products, gives customers a complete suite of IC solutions for telephony applications.
W742C814 4-Bit Feature and Functionality Chart
| Feature List |
Description |
| ROM |
4K |
| RAM |
1024 * 4 bits |
| OSC x'tal |
32768Hz crystal |
| PLL circuit |
Pump 32768Hz up to 3.58MHz for main system clock |
| I/O ports |
20 I/O pins |
| Interrupt |
Divider0,Divider1,Timer0,Timer1,RC ports |
| LCD Driver |
4 common * 32 segment |
| MFP output |
Programmable Multi-Frequency-Port |
| DTMF |
Dual-Tone-Multi-Frequency output pin |
| Dividers |
Two 14-bit frequency dividers |
| Timers |
Two 8-bit count down timers |
| WDT timer |
18/15-bit watch dog selectable for system reset |
| STACK |
8-level subroutine nesting |
For more information:
Consumer Industry Marketing Division
Contact Person: Mr. Jaw Shuenn Raan
Note: Winbond is a registered trademark of Winbond Electronics Corporation. All other trademarks mentioned herein are the property of their respective owners.