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AT89C5122D-RDRUM 数据表(PDF) 12 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C5122D-RDRUM 数据表(HTML) 12 Page - ATMEL Corporation

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12
AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
P2.6
49
-
62
-
49
-
VCC
2KV
I/O
1
A14
Port51
Push-pull
KB_OUT
Input
WPU
P2.7
46
-
57
-
46
-
VCC
2KV
I/O
1
A15
Port51
Push-pull
KB_OUT
Input
WPU
P3.0
45
22
56
24
45
22
VCC
2KV
I/O
1
RxD
Port51
Push-pull
KB_OUT
Input
WPU
P3.1
48
24
59
25
48
24
VCC
2KV
I/O
1
TxD
Port51
Push-pull
KB_OUT
Input
WPU
P3.2
43
20
54
23
43
20
VCC
2KV
I/O
1
INT0
Port51
LED0
P3.3
41
19
52
22
41
19
VCC
2KV
I/O
1
INT1
Port51
Push-pull
KB_OUT
Input
WPU
P3.4
39
18
50
21
39
18
VCC
2KV
I/O
1
T0
Port51
Push-pull
KB_OUT
Input
WPU
LED1
P3.5
44
21
55
-
44
21
VCC
2KV
I/O
1
T1
Port51
P3.6
36
17
47
20
36
17
VCC
2KV
I/O
1
WR
Port51
LED2
P3.7
26
13
37
16
26
13
VCC
2KV
I/O
1
RD
Port51
LED3
P4.0
42
-
53
-
42
-
VCC
2KV
I/O
1
MISO
Port51
P4.1
40
-
51
-
40
-
VCC
2KV
I/O
1
MOSI
Port51
P4.2
38
-
49
-
38
-
VCC
2KV
I/O
1
SCK
Port51
P4.3
37
-
48
-
37
-
VCC
2KV
I/O
1
Port51
Push-pull
KB_OUT
Input
MPU
LED4
P4.4
35
-
46
-
35
-
VCC
2KV
I/O
1
Port51
Push-pull
KB_OUT
Input
MPU
LED5
P4.5
33
-
44
-
33
-
VCC
2KV
I/O
1
Port51
Push-pull
KB_OUT
Input
MPU
LED6
P5.0
14
7
23
-
14
7
VCC
2KV
I/O
1
KB0
Port51
Push-pull
Input
MPU
Input
WPU
P5.1
13
-
22
-
13
-
VCC
2KV
I/O
1
KB1
Port51
Push-pull
Input
MPU
Input
WPU
P5.2
11
-
20
-
11
-
VCC
2KV
I/O
1
KB2
Port51
Push-pull
Input
MPU
Input
WPU
P5.3
10
-
19
-
10
-
VCC
2KV
I/O
1
KB3
Port51
Push-pull
Input
WPD
Input
WPU
P5.4
8
-
17
-
8
-
VCC
2KV
I/O
1
KB4
Port51
Push-pull
Input
WPD
Input
WPU
Table 2.
Pin Description (Continued)
Port
Internal
Power
Supply
ESD
I/O
Reset
Level
Alt
Reset
Config
Conf 1
Conf 2
Conf 3
Led



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