AT89C51ID2-RLRIM Atmel, AT89C51ID2-RLRIM Datasheet - Page 3

• Manufacturer Part Number: AT89C51ID2-RLRIM
• Description: IC MCU FLASH 8051 64K 5V 44-VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51ID2-RLRIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• 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-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: AT89C51ID2RLRIMTR

Block Diagram
Figure 1. Block Diagram
4289C–8051–11/05
XTALB1(1)
ALE/
XTALB2
XTALA1
XTALA2
PSEN
PROG
WR
RD
EA
(2)
(2)
CPU
(2)
(2) (2)
EUART
Timer 0
Timer 1
(2)
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
(1): Alternate function of Port 1
(2): Alternate function of Port 3
(3): Alternate function of Port I2
IB-bus
Port 0 Port 1
Flash
64Kx8
Parallel I/O Ports &
External Bus
Port 2
1792 x 8
XRAM
Port 3
(1)
Port4
PCA
Port 5
(1)
(1)
(3) (3)
Timer2
TWI
(1)
(1) (1) (1)(1)
Keyboard
SPI
AT89C51ID2
(1)
BOOT
2K x8
ROM
Watch
Dog
POR
PFD
Regulator
POR / PFD
E² DATA
2K x 8
3