AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 13
AT85C5122D-SISUM
Manufacturer Part Number
AT85C5122D-SISUM
Description
RFID Modules & Development Tools 3-5.5V Smart Card Reader
Manufacturer
Atmel
Datasheet
1.AT85C5122D-SISUM.pdf
(213 pages)
Specifications of AT85C5122D-SISUM
Product
RFID Readers
- Current page: 13 of 213
- Download datasheet (3Mb)
Table 2. Pin Description
Pin Description
4202E–SCR–06/06
CCLK
CRST
Port
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.2
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
CC4
CC4
CIO
30
29
28
27
25
24
23
22
64
12
47
62
58
57
56
52
51
50
3
2
9
6
32
23
31
3
2
5
6
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
41
40
39
38
36
35
34
33
12
11
18
21
15
58
65
64
63
9
7
3
2
1
10
4
7
6
9
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
30
29
28
27
25
24
23
22
64
12
47
62
58
57
56
52
51
50
3
2
9
6
32
23
31
3
2
5
6
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
ESD
2KV
2KV
2KV
2KV
2KV
2KV
2KV
2KV
6KV
6KV
2KV
6KV
6KV
6KV
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
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
CPRES
CCLK1
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A10
A12
A13
Alt
A11
SS
A8
A9
Push-pull
Push-pull
Config
Reset
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
Port51
P0
P0
P0
P0
P0
P0
P0
P0
ESD tested with a 10µF on CVCC
ESD tested with a 10µF on CVCC
ESD tested with a 10µF on CVCC
ESD tested with a 10µF on CVCC
ESD tested with a 10µF on CVCC
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Conf 1
recommended to support ICC’s
Weak & medium pull-up can be
with too high internal pull-ups.
An external pull-up of 10K is
CVCC inactive at reset.
CVCC inactive at reset
CVCC inactive at reset
CVCC inactive at reset
CVCC inactive at reset
AT8xC5122/23
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
Conf 2
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Conf 3
Input
WPU
Input
WPU
Input
WPU
Input
WPU
Input
WPU
Input
WPU
Led
13
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