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PDF T89C51IC2 Data sheet ( Hoja de datos )
| Número de pieza | T89C51IC2 | |
| Descripción | 8-bit Microcontroller with Flash and I2C Interface | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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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
1 page  
Pin Configurations
T89C51IC2
P1.5/CEX2/MISO
P1.6/CEX3/SCK
P1.7/CEx4/MOSI
RST
P3.0/RxD
PI2.1/SDA
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11 35
12
PLCC44
34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P1.5/CEX2/MISO
P1.6/CEX3/SCK
P1.7/CEX4/MOSI
RST
P3.0/RxD
PI2.1/SDA
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3 31
4 30
5 29
6
VQFP44 1.4
28
7 27
8 26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
Rev. C – 3-Dec-01
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet T89C51IC2.PDF ] | |
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