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AT89C5115芯片研究与分析

时间:2010-12-29 09:18:23

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AT89C5115 Features
· 80C51 Core Architecture
· 256 Bytes of On-chip RAM
· 256 Bytes of On-chip XRAM
· 16K Bytes of On-chip Flash Memory
– Data Retention: 10 Years at 85°C
– Erase/Write Cycle: 100K
· 2K Bytes of On-chip Flash for Bootloader
· 2K Bytes of On-chip EEPROM
– Erase/Write Cycle: 100K
· 14-sources 4-level Interrupts
· Three 16-bit Timers/Counters
· Full Duplex UART Compatible 80C51
· Maximum Crystal Frequency 40 MHz. In X2 Mode, 20 MHz (CPU Core, 40 MHz)
· Three or Four Ports: 16 or 20 Digital I/O Lines
· Two-channel 16-bit PCA
– PWM (8-bit)
– High-speed Output
– Timer and Edge Capture
· Double Data Pointer
· 21-bit Watchdog Timer (7 Programmable bits)
· A 10-bit Resolution Analog-to-Digital Converter (ADC) with 8 Multiplexed Inputs
· Power-saving Modes
– Idle Mode
– Power-down Mode
· Power Supply: 3 Volts to 5.5 Volts
· Temperature Range: Industrial (-40° to +85°C)
· Packages: SOIC28, SOIC24, PLCC28, VQFP32
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