W538A801
Description
The W538A8xx, a member of the ViewTalkTM family, is an 8-bit microprocessor (uP) with a speech and melody synthesizer and 64SEG x 16 LCD driver unit, which includes an internal regulator, pump circuit and two pages of dedicated LCD RAM.
Key Features
- Sophisticated power management methodology: SLOW, HOLD and STOP modes
- Single ROM architecture to store program, user data/table, speech, timbre, score and picture
- 1 KB of Working RAM (W-RAM) for plicated application
- Dual-page, 2 x 128 bytes LCD RAM (L-RAM) for smooth animation
- 3- Revision A5 W538A8XX Data Sheet PWM direct drive: 10-bit resolution, maximum 128 KHz sampling rate @ 8MHz system clock
- Automatic IR-carrier generation for interactive applications
- Low battery detector (LVD) for battery-life management application
- Low Voltage Reset (LVR)
- Serial-Memory Interface Manager (SIM) to interface with cartridge applications
- Built-in Watch-Dog Timer (WDT) that is activated by mask option only Publication Release Date: Jul, 2008
