TS87C51RC2 ATMEL Corporation, TS87C51RC2 Datasheet
TS87C51RC2
Manufacturer Part Number
TS87C51RC2
Description
High Performance 8-bit Microcontroller 32 Kbytes Otp
Manufacturer
ATMEL Corporation
Datasheet
1.TS87C51RC2.pdf
(74 pages)
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High Performance 8-bit Microcontrollers
1. Description
Atmel Wireless & Microcontrollers TS80C51Rx2 is high
performance CMOS ROM, OTP, EPROM and ROMless
versions of the 80C51 CMOS single chip 8-bit
microcontroller.
The TS80C51Rx2 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 facilitates multiprocessor communication
(EUART) and a X2 speed improvement mechanism.
2. Features
Rev. C - 06 March, 2001
80C52 Compatible
High-Speed Architecture
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
8051 pin and instruction compatible
Four 8-bit I/O ports
Three 16-bit timer/counters
256 bytes scratchpad RAM
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)
High Speed Output,
Compare / Capture,
Pulse Width Modulator,
Watchdog Timer Capabilities
The fully static design of the TS80C51Rx2 allows to
reduce system power consumption by bringing the clock
frequency down to any value, even DC, without loss of
data.
The TS80C51Rx2 has 2 software-selectable modes of
reduced activity for further reduction in power
consumption. In the idle mode the CPU is frozen while
the timers, the serial port and the interrupt system are still
operating. In the power-down mode the RAM is saved
and all other functions are inoperative.
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
Full duplex Enhanced UART
Low EMI (inhibit ALE)
Power Control modes
Once mode (On-chip Emulation)
Power supply: 4.5-5V, 2.7-5.5V
Temperature ranges: Commercial (0 to 70
Industrial (-40 to 85
Packages: PDIL40, PLCC44, VQFP44 1.4, CQPJ44
(window), CDIL40 (window), PLCC68, VQFP64
1.4, JLCC68 (window)
7 Interrupt sources,
4 level priority interrupt system
Framing error detection
Automatic address recognition
Idle mode
Power-down mode
Power-off Flag
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
TS80C51RA2/RD2
o
C)
o
C) and
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