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W79E822BDG Datasheet(PDF) 5 Page - Winbond |
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W79E822BDG Datasheet(HTML) 5 Page - Winbond |
5 / 127 page W79E825A/824A/823B/822B Data Sheet Publication Release Date: February 21, 2008 - 5 - Revision A9 2 FEATURES • 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 • 16K/8K/4K/2K bytes of AP Flash EPROM, with ICP and external writer programmable mode. • 256/128 bytes of on-chip RAM. • 256/128 bytes NVM Data Flash EPROM for customer data storage used and 10K writer cycles. • Instruction-set compatible with MSC-51. • Two 8-bit bi-directional and one 2-bit bi-directional ports. • Two 16-bit timer/counters. • 13 interrupts source with four levels of priority. • One enhanced full duplex serial port with framing error detection and automatic address recognition. • The 4 outputs mode and TTL/Schmitt trigger selectable Port. • Programmable Watchdog Timer. • Four-channel 10-bit PWM (Pulse Width Modulator). • Four-channel multiplexed with 10-bits A/D convert. • 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 • Packages: - Lead Free (RoHS) DIP 20: W79E825ADG - Lead Free (RoHS) DIP 20: W79E825ADG - Lead Free (RoHS) SOP 20: W79E825ASG - Lead Free (RoHS) DIP 20: W79E824ADG - Lead Free (RoHS) SOP 20: W79E824ASG - Lead Free (RoHS) DIP 20: W79E823BDG - Lead Free (RoHS) SOP 20: W79E823BSG - Lead Free (RoHS) DIP 20: W79E822BDG - Lead Free (RoHS) SOP 20: W79E822BSG |
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