Instruction Manual

Preliminary W79E8213/W79E8213R Data Sheet
Publication Release Date: July 11, 2008
- 5 - Revision A2
2. FEATURES
z Fully static design 8-bit 4T-8051 CMOS microcontroller:
 VDD = 4.5V to 5.5V @20MHz
 VDD = 2.7V to 5.5V @12MHz
 VDD = 2.4V to 5.5V @4MHz
z Instruction-set compatible with MSC-51.
z Flexible CPU clock source configurable by config bit and software:
 High speed external oscillator: upto 20MHz Crystal and resonator (enabled by config bit).
 Internal RC oscillator: 20/10MHz selectable by config bit, only W79E8213R supports ±2%
accuracy internal RC oscillator at fixed voltage and temperature condition.
z 4K bytes of AP Flash EPROM, with ICP and external writer programmable mode.
z 128 bytes of on-chip RAM.
z W79E8213 series supports 128 bytes NVM Data Flash EPROM for customer data storage used
and 10K writer cycles.
 8 pages. Page size is 16 bytes.
z Two 16-bit timer/counters.
z Ten interrupts source with four levels of priority.
z Three-edge detect interrupt inputs.
z Programmable Watchdog Timer.
z Four-channel 10-bit PWM (Pulse Width Modulator).
z Internal square wave generator for buzzer.
z Up to 18 I/O pins.
z The 4 outputs mode and TTL/Schmitt trigger selectable Port.
z LED drive capability (20mA) on all port pins. Sink 20mA; Drive: -15~-20mA @push-pull mode.
z Eight high sink capability (40mA) port pins.
z Eight-channel multiplexed with 10-bits A/D convert.
z Low Voltage Detect interrupt and reset.
z Development Tools:
 ICP(In Circuit Programming) writer
z Packages:
- Lead Free (RoHS) DIP 20: W79E8213AKG
- Lead Free (RoHS) SOP 20: W79E8213ASG
- Lead Free (RoHS) DIP 20: W79E8213RAKG
- Lead Free (RoHS) SOP 20: W79E8213RASG