80C52详细英文资料
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2010-07-20
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1. Features
•
80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports
– Three 16-bit timer/counters
– 256 bytes scratchpad RAM
•
High-Speed Architecture
– 40 MHz @ 5V, 30MHz @ 3V
– X2 Speed Improvement capability (6 clocks/machine cycle)
– 30 MHz @ 5V, 20 MHz @ 3V (Equivalent to
– 60 MHz @ 5V, 40 MHz @ 3V)
•
Dual Data Pointer
•
On-chip ROM/EPROM (16K-bytes, 32K-bytes, 64K-bytes)
•
On-chip eXpanded RAM (XRAM) (256 or 768 bytes)
•
Programmable Clock Out and Up/Down Timer/Counter 2
•
Programmable Counter Array with
– High Speed Output,
– Compare / Capture,
– Pulse Width Modulator,
– Watchdog Timer Capabilities
•
Hardware Watchdog Timer (One-time enabled with Reset-Out)
•
2 extra 8-bit I/O ports available on RD2 with high pin count packages
•
Asynchronous port reset
•
Interrupt Structure with
– 7 Interrupt sources,
– 4 level priority interrupt system
•
Full duplex Enhanced UART
– Framing error detection
– Automatic address recognition
•
Low EMI (inhibit ALE)
•
Power Control modes
– Idle mode
– Power-down mode
– Power-off Flag
•
Once mode (On-chip Emulation)
•
Power supply: 4.5-5V, 2.7-5.5V
•
Temperature ranges: Commercial (0 to 70
o
C) and Industrial (-40 to 85
o
C)
•
Packages: PDIL40, PLCC44, VQFP44 1.4, PLCC68, VQFP64 1.4
2. Description
Atmel TS8xC51Rx2 is a high performance CMOS ROM, OTP, EPROM and ROMless
versions of the 80C51 CMOS single chip 8-bit microcontroller.
The TS8xC51Rx2 retains all features of the 80C51 with extended ROM/EPROM
capacity (16/32/64 Kbytes), 256 bytes of internal RAM, a 7-source , 4-level interrupt
system, an on-chip oscilator and three timer/counters.
In addition, the TS80C51Rx2 has a Programmable Counter Array, an XRAM of 256 or
768 bytes, a Hardware Watchdog Timer, a more versatile serial channel that
High
Performance
8-bit
Microcontroller
TS80C51RA2
TS83C51RB2
TS83C51RC2
TS83C51RD2
TS87C51RB2
TS87C51RC2
TS87C51RD2
AT80C51RA2
AT83C51RB2
AT83C51RC2
AT83C51RD2
AT87C51RB2
AT87C51RC2
Rev. 4188F–8051–01/08
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