AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 6

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

Signals
Table 1. Pinout Description
6
Port
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
30
29
28
27
25
24
23
22
64
12
47
62
58
57
56
52
51
50
49
46
3
2
9
6
AT8xC5122/23
32
23
31
3
2
5
6
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
41
40
39
38
36
35
34
33
12
18
21
15
58
65
64
63
62
57
11
9
7
3
2
1
10
4
7
6
9
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Internal
Supply
Power
CVCC
CVCC
CVCC
CVCC
CVCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
All the signals are detailed in Table 1:
ESD
2KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
4KV
4KV
2KV
4KV
4KV
4KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
Reset
Level
Float
Float
Float
Float
Float
Float
Float
Float
0
0
1
0
0
0
1
1
1
1
1
1
1
1
1
1
CPRES
CCLK1
CRST
CCLK
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
CC8
CC4
Alt
CIO
A10
A11
A12
A13
A14
A15
SS
A8
A9
Push-pull
Push-pull
Config
Reset
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
P0
P0
P0
P0
P0
P0
P0
P0
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Conf 1
Weak & medium pull-up can be
CVCC inactive at reset
CVCC inactive at reset
CVCC inactive at reset
CVCC inactive at reset
CVCC inactive at reset
disconnected
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
KB_OUT
Conf 2
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Conf 3
WPU
WPU
WPU
WPU
WPU
WPU
WPU
WPU
Input
Input
Input
Input
Input
Input
Input
Input
4202B–SCR–07/03
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