Panasonic JS-170FR Series Service Manual page 36

Front counter register
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Pin No.
Signal name
A 19
PDD8
B 19
PDD9
C 19
PDD10
D 19
PDD11
D 17
PDD12
E 19
PDD13
E 17
PDD14
F 19
PDD15
G 19
PDDACK#
F 18
PDDREQ
F 17
PDIOR#
F 16
PDIOW#
G 20
PIORDY
B 12
PHLD#
A 12
PHLDA#
R 03
PIRQA#
R 04
PIRQB#
P 05
PIRQC#
G 01
PIRQD#
U 20
PWRBTN#
M 18
PWROK
N 20
RCIN#
P 18
RI#/GPI12
M 17
RSMRST#
L 01
RTCALE/GP025
K 02
RTCCS#/GP024
N 19
RTCX1
R 20
RTCX2
W 07
REFRESH#
M 01
REQA#/GPI2
N 02
REQB#/GPI3
P 03
REQC#/GPI4
W 01
RSTDRV
U 11
SA0
T 11
SA1
W 11
SA2
Y 11
SA3
T 10
SA4
W 10
SA5
U 09
SA6
V 09
SA7
Y 09
SA8
T 08
SA9
W 08
SA10
U 07
SA11
V 07
SA12
Y 07
SA13
V 06
SA14
Y 06
SA15
T 05
SA16
W 05
SA17
U 04
SA18
V 04
SA19
IN/OUT
E-IDE Primary data bus.
IN/OUT
OUT
E-IDE Acknowledge to primary side PDDREQ.
IN
E-IDE Primary side DMA request signal.
OUT
E-IDE Primary side read signal.
OUT
E-IDE Primary side write signal.
IN
E-IDE Primary side ready signal.
OUT
PCI bus hold request signal.
IN
PCI Hold acknowledge signal to PHLD#.
IN/OUT
OCI bus interrupt signal.
IN
Input pin for system's ON/OFF.
IN
System power input signal.
IN
Initialize request signal to the CPU. (← KBC)
IN
Used as a general-purpose input port.
IN
An input intended to reset the internal suspension state.
OUT
Used as a general-purpose output port.
IN/OUT
Clock signal of 32.768kHz for RTC.
IN/OUT
Memory refresh signal to the ISA bus.
IN
DMA request signal for the PCI bus.
OUT
Reset signal for the ISA system logic.
IN/OUT
ISA System address bus.
2-6
Functions
Active : High
Active : Low
Active : Low
Active : Low
Active : High

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