AT89C5122 データシートの表示（PDF） - Atmel Corporation
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AT89C5122 Datasheet PDF : 208 Pages
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AT83R5122, AT8xC5122/23
Pin Description
Table 2. Pin Description
Port
Internal
Power
Reset
Supply ESD I/O Level
P0.0 30 - 41 - 30 - VCC 2KV I/O Float
P0.1 29 - 40 - 29 - VCC 2KV I/O Float
P0.2 28 - 39 - 28 - VCC 2KV I/O Float
P0.3 27 - 38 - 27 - VCC 2KV I/O Float
P0.4 25 - 36 - 25 - VCC 2KV I/O Float
P0.5 24 - 35 - 24 - VCC 2KV I/O Float
P0.6 23 - 34 - 23 - VCC 2KV I/O Float
P0.7 22 - 33 - 22 - VCC 2KV I/O Float
CIO 64 32 9 4 64 32 CVCC 6KV I/O
0
CC4 3 3 12 7 3 3 CVCC 6KV I/O
0
P1.2 2 2 11 6 2 2 VCC 2KV I/O
1
CC4 9 5 18 9 9 5 CVCC 6KV I/O
0
CCLK 12 6 21 10 12 6 CVCC 6KV O
0
CRST 6 4 15 8 6 4 CVCC 6KV O
0
Alt
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
CPRES
Reset
Config
Conf 1
Conf 2
Conf 3 Led
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
P0
KB_OUT Push-pull
Port51
CVCC inactive at reset.
ESD tested with a 10μF on CVCC
An external pull-up of 10K is
recommended to support ICC’s
with too weak internal pull-ups.
Port51
CVCC inactive at reset
ESD tested with a 10μF on CVCC
Port51
Weak & medium pull-up can be
disconnected
Port51
CVCC inactive at reset
ESD tested with a 10μF on CVCC
CVCC inactive at reset
Push-pull
ESD tested with a 10μF on CVCC
CVCC inactive at reset
Push-pull
ESD tested with a 10μF on CVCC
P1.6 47 23 58 - 47 23 VCC 2KV I/O
1
SS
Port51
P1.7 62 31 7 - 62 31 VCC 2KV I/O
1
CCLK1
Port51
P2.0 58 - 3 - 58 - VCC 2KV I/O
1
P2.1 57 - 2 - 57 - VCC 2KV I/O
1
P2.2 56 - 1 - 56 - VCC 2KV I/O
1
P2.3 52 - 65 - 52 - VCC 2KV I/O
1
P2.4 51 - 64 - 51 - VCC 2KV I/O
1
P2.5 50 - 63 - 50 - VCC 2KV I/O
1
A8
Port51 Push-pull KB_OUT
Input
WPU
A9
Port51 Push-pull KB_OUT
Input
WPU
A10
Port51 Push-pull KB_OUT
Input
WPU
A11
Port51 Push-pull KB_OUT
Input
WPU
A12
Port51 Push-pull KB_OUT
Input
WPU
A13
Port51 Push-pull KB_OUT
Input
WPU
11
4202F–SCR–07/2008
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