T89C51RD2-RDTIL Atmel, T89C51RD2-RDTIL Datasheet - Page 3

• Manufacturer Part Number: T89C51RD2-RDTIL
• Description: IC MICRO CTRL 64K FLASH 64VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C51RD2-RDTIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Block Diagram
Notes:
4243G–8051–05/03
1. Alternate function of Port 1.
2. Only available on high pin count packages.
3. Alternate function of Port 3.
ALE/
XTAL1
XTAL2
PSEN
PROG
WR
EA
RD
(3)
(3)
CPU
(3) (3)
(3)
Timer 0
Timer 1
EUART
(3)
CORE
C51
(3) (3)
256x8
RAM
INT
Ctrl
IB-bus
Port 0Port 1 Port 2 Port 3
Flash
64Kx8
Parallel I/O Ports & Ext. Bus
XRAM
1Kx8
EEPROM
Port 4
(2)
2Kx8
Port 5
(2)
(1)
PCA
Watch
Dog
(1)
(1)
Timer2
(1)
T89C51RD2
3