AT89C51RD2-RDTIM Atmel, AT89C51RD2-RDTIM Datasheet - Page 3
AT89C51RD2-RDTIM
Manufacturer Part Number
AT89C51RD2-RDTIM
Description
MCU 8-Bit AT89 80C51 CISC 64KB Flash 3.3V/5V 64-Pin VQFP Tray
Manufacturer
Atmel
Datasheet
1.AT89C51RD2-RDTIM.pdf
(137 pages)
- Current page: 3 of 137
- Download datasheet (2Mb)
2. Block Diagram
Figure 2-1.
4235J–8051–01/08
Block Diagram
ALE/
XTALA1
XTALA2
PSEN
PROG
WR
EA
RD
(2)
(2)
CPU
(2) (2)
(2)
Timer 0
Timer 1
EUART
(2)
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
IB-bus
(1): Alternate function of Port 1
(2): Alternate function of Port 3
Port 0 Port 1
64K x 8
Flash
Parallel I/O Ports &
External Bus
Port 2
1792 x 8
XRAM
Port 3
(1)
Port4
PCA
Port 5
(1)
(1)
Timer2
(1)
(1) (1)(1)(1)
AT89C51RD2/ED2
SPI
Keyboard
(1)
2K x 8
BOOT
ROM
Watch
-dog
Regulator
POR / PFD
(AT89C51ED2)
EEPROM*
2K x 8
3
Related parts for AT89C51RD2-RDTIM
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
AT89C51RD2-IM8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Microcontrollers - MCU Microcontroller
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MICRO CTRL 24MHZ 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MICRO CTRL 24MHZ 44PLCC
Manufacturer:
Atmel
Datasheet: