W79E804A/803A/802A
2. FEATURES
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Fully static design 8-bit Turbo 51 CMOS microcontroller up to 20MHz when VDD=4.5V to 5.5V,
12MHz when VDD=2.7V to 5.5V
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8K/4K/2K bytes of AP Flash EPROM, with ICP and external writer programmable mode.
256 bytes of on-chip RAM.
256 bytes NVM Data Flash EPROM for customer data storage used and 10K writer cycles.
Instruction-set compatible with MSC-51.
On-chip configurable RC oscillator (6MHz).
Two 8-bit bi-directional and one 2-bit bi-directional ports.
Two 16-bit timer/counters.
12 interrupts source with four levels of priority.
One enhanced full duplex serial port with framing error detection and automatic address
recognition.
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The 4 outputs mode and TTL/Schmitt trigger selectable Port.
Programmable Watchdog Timer.
Four-channel 10-bit PWM (Pulse Width Modulator).
One I2C communication port (Master / Slave).
Eight keypad interrupt inputs.
Two analog comparators.
Configurable on-chip oscillator.
LED drive capability (20mA) on all port pins.
Low Voltage Detect interrupt and reset.
Development Tools:
—JTAG ICE(In Circuit Emulation) tool
— ICP(In Circuit Programming) writer
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Packages:
— Lead Free (RoHS) DIP 20:
— Lead Free (RoHS) SOP 20:
— Lead Free (RoHS) DIP 20:
— Lead Free (RoHS) SOP 20:
— Lead Free (RoHS) DIP 20:
— Lead Free (RoHS) SOP 20:
W79E804ADG
W79E804ASG
W79E803ADG
W79E803ASG
W79E802ADG
W79E802ASG
Publication Release Date: July 16, 2007
Revision A2
- 5 -
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