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T89C51IC2 fiches techniques PDF

ATMEL Corporation - 8-bit Microcontroller with Flash and I2C Interface

Numéro de référence T89C51IC2
Description 8-bit Microcontroller with Flash and I2C Interface
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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T89C51IC2 fiche technique
Features
80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports + 2 I/O I2C Interface pins
– Three 16-bit timer/counters
– 256 bytes scratch pad RAM
– 10 Interrupt sources with 4 priority levels
– Dual Data Pointer
Variable length MOVX for slow RAM/peripherals
ISP (In System Programming) using standard VCC power supply.
Boot ROM contains low level FLASH programming routines and a default serial loader
High-Speed Architecture
– 40 MHz in standard mode
– 20 MHz in X2 mode (6 clocks/machine cycle)
32-Kbytes on-chip FLASH program / data Memory
– Byte and page (128 bytes) erase and write
– 10k write cycles
– On-chip 1024 bytes expanded RAM (XRAM)
– Software selectable size (0, 256, 512, 768, 1024 bytes)
– 256 bytes selected at reset for T87C51RB2/RC2 compatibility
Keyboard interrupt interface on port P1
400-Kbits/s Multimaster I2C Interface
SPI Interface (Master / Slave Mode)
Sub clock 32kHz crystal oscillator
8-bit clock prescaler
Improved X2 mode with independant selection for CPU and each peripheral
Programmable Counter Array 5 Channels with:
– High Speed Output,
– Compare / Capture,
– Pulse Width Modulator,
– Watchdog Timer Capabilities
Asynchronous port reset
Full duplex Enhanced UART
Dedicated Baud Rate Generator for UART
Low EMI (inhibit ALE)
Hardware Watchdog Timer (One-time enabled with Reset-Out)
Power control modes:
– Idle Mode.
– Power-down mode.
– Power-Off Flag.
Power supply: 4.5V to 5.5V or 2.7V to 3.6V
Temperature ranges: Commercial (0 to +70°C) and industrial (-40°C to +85°C).
Packages: PLC44, VQFP44
8-bit
Microcontroller
with Flash and
I2C Interface
T89C51IC2
Summary
Description
T89C51IC2 is a high performance FLASH version of the 80C51 8-bit microcontrollers.
It contains a 32-Kbytes Flash memory block for program and data.
The 32-Kbytes FLASH memory can be programmed either in parallel mode or in serial
mode with the ISP capability or with software. The programming voltage is internally
generated from the standard VCC pin.
The T89C51IC2 retains all features of the 80C52 with 256 bytes of internal RAM, a 7-
source 4-level interrupt controller and three timer/counters.
Rev. C – 3-Dec-01
1

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