參數(shù)資料
型號: T89C51RD2-RLTIL
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, 25 MHz, MICROCONTROLLER, PQFP44
封裝: VQFP-44
文件頁數(shù): 4/104頁
文件大小: 798K
代理商: T89C51RD2-RLTIL
4
T89C51RD2
4243G
8051
05/03
Pin Configuration
Note:
NIC = No Internal Connection
P1.7CEX4
P1.4/CEX1
P1.5/CEX2
RST
P3.0/RxD
P3.1/TxD
P3.2/INT0
P3.3/INT1
P1.3CEX0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P1.6/CEX3
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
VSS
P2.0/AD8
P2.1/AD9
P2.2/AD10
P2.3/AD11
P2.4/AD12
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
ALE/PROG
PSEN
P2.7/AD15
P2.6/AD14
EA
P2.5/AD13
P1.0/T2
P1.1/T2EX
P1.2/ECI
VCC
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
PDIL
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
18 19
23
22
21
20
26
25
24
27 28
5 4 3 2 1
6
44 43 42 41 40
P
P
P
P
P
N
V
P
P
P
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P
P
X
X
V
P
P
P
P
P
43 42 41 40 39
44
38 37 36 35 34
P
P
P
P
P
N
V
P
P
P
P
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P1.5/CEX2
P1.6/CEX3
P1.7/CEX4
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P
P
X
X
V
P
P
P
P
P
P1.5/CEX2
P1.6/CEX3
P1.7/CEx4
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P
N
N
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
PLCC
1213
17
16
15
14
20
19
18
2122
33
32
31
30
29
28
27
26
25
24
23
VQFP44 1.4
1
2
3
4
5
6
7
8
9
10
11
相關(guān)PDF資料
PDF描述
T89C51RD2-RLTIM 0 to 40 MHz Flash Programmable 8-bit Microcontroller
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