AT89C51AC3-SLSIM Atmel, AT89C51AC3-SLSIM Datasheet - Page 2

• Manufacturer Part Number: AT89C51AC3-SLSIM
• Description: IC 8051 MCU FLASH 64K 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51AC3-SLSIM

• 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-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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