參數(shù)資料
型號: T89C51RD2-RLVCM
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 0 to 40 MHz Flash Programmable 8-bit Microcontroller
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封裝: VQFP-44
文件頁數(shù): 3/104頁
文件大?。?/td> 798K
代理商: T89C51RD2-RLVCM
3
T89C51RD2
4243G
8051
05/03
Block Diagram
Notes:
1. Alternate function of Port 1.
2. Only available on high pin count packages.
3. Alternate function of Port 3.
Timer 0
Timer 1
INT
Ctrl
RAM
256x8
T
T
R
T
WR
RD
EA
PSEN
ALE/
XTAL2
XTAL1
EUART
CPU
I
I
(3)
(3)
C51
CORE
(3) (3)
(3) (3)
Port 0
P
Port 1 Port 2 Port 3
Parallel I/O Ports & Ext. Bus
P
P
P
XRAM
1Kx8
IB-bus
PCA
R
PROG
Watch
Dog
P
E
V
V
(3)
(3)
(1)
(1)
Timer2
T
T
(1)
(1)
Port 5
(2)
Port 4
(2)
P
P
Flash
64Kx8
EEPROM
2Kx8
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