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80C52 Datasheet

  • 80C52

  • 8-bit CMOS Microcontroller 0-60 MHz

  • 54頁

  • TEMIC

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TS80C52X2
8-bit CMOS Microcontroller 0-60 MHz
1. Description
TEMIC TS80C52X2 is high performance CMOS ROM,
OTP, EPROM and ROMless versions of the 80C51
CMOS single chip 8-bit microcontroller.
The TS80C52X2 retains all features of the TEMIC
80C51 with extended ROM/EPROM capacity (8
Kbytes), 256 bytes of internal RAM, a 6-source , 4-level
interrupt system, an on-chip oscilator and three timer/
counters.
In addition, the TS80C52X2 has a dual data pointer, a
more versatile serial channel that facilitates
multiprocessor communication (EUART) and a X2 speed
improvement mechanism.
The fully static design of the TS80C52X2 allows to
reduce system power consumption by bringing the clock
frequency down to any value, even DC, without loss of
data.
The TS80C52X2 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.
2. Features
q
80C52 Compatible
鈥?/div>
8051 pin and instruction compatible
鈥?/div>
Four 8-bit I/O ports
鈥?/div>
Three 16-bit timer/counters
鈥?/div>
256 bytes scratchpad RAM
q
Interrupt Structure with
鈥?/div>
6 Interrupt sources,
鈥?/div>
4 level priority interrupt system
q
Full duplex Enhanced UART
鈥?/div>
Framing error detection
鈥?/div>
Automatic address recognition
q
High-Speed Architecture
鈥?/div>
40 MHz @ 5V, 30MHz @ 3V
鈥?/div>
X2 Speed Improvement capability (6 clocks/
machine cycle)
30 MHz @ 5V, 20 MHz @ 3V (Equivalent to
60 MHz @ 5V, 40 MHz @ 3V)
q
q
Low EMI (inhibit ALE)
Power Control modes
鈥?/div>
Idle mode
鈥?/div>
Power-down mode
鈥?/div>
Power-off Flag
q
q
q
Dual Data Pointer
On-chip ROM/EPROM (8K-bytes)
Programmable Clock Out and Up/Down Timer/
Counter 2
Asynchronous port reset
q
q
q
q
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, PQFP F1
(13.9 footprint), CQPJ44 (window), CDIL40
(window)
q
Rev. B - Jan. 25, 1999
1
Preliminary

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