Table 14. Pin State Table—Keyboard Interface
Signal Name
[Alternate
Function]
Max
Load Supply
(pF)
Power
Down Note 5 V
Group
Pin
#
Output
Drive
Reset
State Operation
Normal
Suspend
State
Type
1
KBD_COL0
[XT_DATA]
E2 OD-STI
[B]
D
D
D
D
D
D
D
D
D
D
D
D
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
OD-
PU
IOD-PPUD
IOD-PPUD
IOD-PPUD
IOD-PPUD
S
1
KBD_COL1
[XT_CLK]
D1 OD-STI
[B]
OD-
PU
IOD-PPUD
IOD-PPUD
IOD-PPUD
IOD-PPUD
S
1
KBD_COL2/
PIRQ3
A2 OD-STI
[I]
OD-
PU
IOD-PPUD
I-PPUD
IOD-PPUD
I-PPUD[I-PD]
S
C
1
KBD_COL3/
PIRQ4
B3 OD-STI
[I]
OD-
PU
IOD-PPUD
I-PPUD
IOD-PPUD
I-PPUD[I-PD]
S
C
1
KBD_COL4/
PIRQ5
C3 OD-STI
[I]
OD-
PU
IOD-PPUD
I-PPUD
IOD-PPUD
I-PPUD[I-PD]
S
C
1
KBD_COL5/
PIRQ6
A1 OD-STI
[I]
OD-
PU
IOD-PPUD
I-PPUD
IOD-PPUD
I-PPUD[I-PD]
S
C
1
KBD_COL6/
PIRQ7
B2 OD-STI
[I]
OD-
PU
IOD-PPUD
I-PPUD
IOD-PPUD
I-PPUD[I-PD]
S
C
1
KBD_COL7
C5 OD-STI
OD-
PU
IOD-PPUD
IOD-PPUD
2
KBD_ROW0
[CASL2]
B19 STI-OD
[O]
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
I-PU
IOD-PU
O
I-PU
O[L][TS-PD]
A
2
KBD_ROW1
[CASL3]
D16 STI-OD
[O]
IOD-PU
O
I-PU
O[L][TS-PD]
A
2
KBD_ROW2
[CASH2]
C17 STI-OD
[O]
IOD-PU
O
I-PU
O[L][TS-PD]
A
2
KBD_ROW3
[CASH3]
B18 STI-OD
[O]
IOD-PU
O
I-PU
O[L][TS-PD]
A
2
KBD_ROW4
[RAS2]
D15 STI-OD P-C,E
[O]
IOD-PU
O
I-PU
O[L][TS-PD]
A
2
KBD_ROW5
[RAS3]
C16 STI-OD P-C,E
[O]
IOD-PU
O
I-PU
O[L][TS-PD]
A
3
KBD_ROW6
[MA12]
B17 STI-OD P-C,E
[O]
IOD-PU
O
I-PU
TS-PD
KBD_ROW7
[PDACK1]
D3 STI-OD
[O]
C
C
C
C
C
C
C
IOD-PU
O
I-PU
H[TS-PD][TS]
S
C
KBD_ROW8
[PDRQ1]
C2 STI-OD
[I]
IOD-PU
I-PD
I-PU
I-PD
S
KBD_ROW9
[PIRQ2]
E3 STI-OD
[I]
IOD-PU
I-PU
I-PU
I-PU[I-PD]
S
C
KBD_ROW10
[BALE]
D2 STI-OD
[O]
IOD-PU
O
I-PU
TS-PD
S
KBD_ROW11
[SBHE]
C1 STI-OD
[O]
IOD-PU
O
I-PU
H[TS-PD][TS]
S
C
KBD_ROW12
[MCS16]
F3 STI-OD
[I]
IOD-PU
I-PU
I-PU
I-PU[I-PD]
S
C
4
KBD_ROW13
[[R32BFOE]]
A3 STI-OD
[O]
IOD-PU
O
I-PU
H[TS-PD][TS]
I
S
Élan™SC400 and ÉlanSC410 Microcontrollers Data Sheet
53
AMD [ AMD ]
