AT89C51AC3-RLTIM Atmel, AT89C51AC3-RLTIM Datasheet - Page 2
AT89C51AC3-RLTIM
Manufacturer Part Number
AT89C51AC3-RLTIM
Description
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51AC3-RLTUM.pdf
(140 pages)
Specifications of AT89C51AC3-RLTIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Block Diagram
2
AT89C51AC3
XTAL1
XTAL2
PSEN
WR
ALE
RD
EA
Notes:
CPU
1. 8 analog Inputs/8 Digital I/O
2. 5-Bit I/O Port
Timer 0
Timer 1
UART
CORE
C51
256x8
RAM
Ctrl
INT
IB-bus
64k x 8
Flash
Port 0Port 1 Port 2 Port 3
Parallel I/O Ports and Ext. Bus
loader
Boot
2kx8
PROM
2kx8
EE
ERAM
2048
Port 4
Watch
Dog
PCA
Emul
Unit
Timer2
10 bit
ADC
4383D–8051–02/08
Interface
SPI
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