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SST89C54单片机 FEATURES:
Multi-Purpose 8-bit 8051 Family Compatible Microcontroller Unit (MCU) with Embedded SuperFlash Memory
Fully Software and Development Toolset Compatible as well as Pin-For-Pin Package Compatible with Standard 8xC5x Microcontrollers
256 Bytes Register/Data RAM
20/36 KByte Embedded High Performance Flexible SuperFlash EEPROM
– One 16/32 KByte block (128-Byte sector size)
– One 4 KByte block (64-Byte sector size)
– Individual Block Security Lock with Softlock feature
– 87C5x Programmer Compatible
– Concurrent Operation during In-Application Programming?(IAP?)
– Memory Re-Mapping for Interrupt Support during IAP
Support External Address Range up to 64 KByte of Program and Data Memory
High Current Drive on Port 1 (5, 6, 7) pins
Three 16-bit Timer/Counter
Programmable Serial Port (UART)
Six Interrupt Sources at 2 Priority Levels
Selectable Watchdog Timer (WDT)
Four 8-bit I/O Ports (32 I/O Pins)
TTL- and CMOS-Compatible Logic Levels
Extended Power-Saving Modes
– Idle Mode
– Power Down Mode with External Interrupt Wake-up
– Standby (Stop Clock) Mode
High Speed Operation at 5 Volts (0 to 33MHz)
Low Voltage (2.7V) Operation (0 to 12MHz)
PDIP-40, PLCC-44 and TQFP-44 Packages
Temperature Ranges:
– Commercial (0°C to +70°C)
– Industrial (-40°C to +85°C)
