AT89C51RB2-SLSIM Atmel, AT89C51RB2-SLSIM Datasheet - Page 3

• Manufacturer Part Number: AT89C51RB2-SLSIM
• Description: IC 8051 MCU FLASH 16K 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RB2-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K 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: -

Block Diagram
Figure 1. Block Diagram
Notes:
4180E–8051–10/06
1. Alternate function of Port 1.
2. Alternate function of Port 3.
ALE/
XTAL1
XTAL2
PSEN
PROG
WR
RD
EA
(2)
(2)
CPU
(2) (2)
(2)
Timer 0
Timer 1
EUART
BRG
(2)
+
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
IB-bus
Parallel I/O Ports & Ext. Bus
32Kx8 or
Port 0Port 1 Port 2 Port 3
16Kx8
Flash
XRAM
1Kx8
2Kx8
Boot
ROM
(1)
Watch
PCA
Dog
(1)
AT89C51RB2/RC2
(1)
Board
Key
Timer2
(1)
(1) (1) (1) (1)
SPI
3