AT89C51RD2-SLSIM Atmel, AT89C51RD2-SLSIM Datasheet - Page 25

IC 8051 MCU FLASH 64K 44PLCC

AT89C51RD2-SLSIM

Manufacturer Part Number
AT89C51RD2-SLSIM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51RD2-SLSIM

Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C51RD2-SLSIM
Manufacturer:
ATMEL
Quantity:
12 606
Part Number:
AT89C51RD2-SLSIM
Manufacturer:
Atmel
Quantity:
10 000
4235K–8051–05/08
Reset Value = 0X00 1000
Not bit addressable
Number
Bit
1
0
Mnemonic
EXTRAM
Bit
AO
Description
EXTRAM bit
Cleared to access internal XRAM using movx @ Ri/ @ DPTR.
Set to access external memory.
Programmed by hardware after Power-up regarding Hardware Security Byte (HSB),
default setting, XRAM selected.
ALE Output bit
Cleared, ALE is emitted at a constant rate of 1/6 the oscillator frequency (or 1/3 if X2
mode is used). (default) Set, ALE is active only during a MOVX or MOVC instruction is
used.
AT89C51RD2/ED2
25

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