T89C51RD2-RDTIL Atmel, T89C51RD2-RDTIL Datasheet - Page 3
T89C51RD2-RDTIL
Manufacturer Part Number
T89C51RD2-RDTIL
Description
IC MICRO CTRL 64K FLASH 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C51RD2-SMSIM.pdf
(104 pages)
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
-
- Current page: 3 of 104
- Download datasheet (2Mb)
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
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