Read Panasonic KX-PX1CX Service Manual online
15
KX-PX1CX
240
W24 CMODE[1]
Clock
MODE
Determine the operating fre-
quency ratio of the each part
inside LSI
quency ratio of the each part
inside LSI
High
Internal frequency mode
setting (H)
setting (H)
in
153
W25 CMODE[2]
Clock
MODE
Determine the operating fre-
quency ratio of the each part
inside LSI
quency ratio of the each part
inside LSI
Low
Internal frequency mode
setting (L)
setting (L)
in
58
W26 CMODE[3] Clock
MODE
Determine the operating fre-
quency ratio of the each part
inside LSI
quency ratio of the each part
inside LSI
Low
Internal frequency mode
setting (L)
setting (L)
in
181
B14
CPUHOLD CPU Hold
Determine the operating fre-
quency ratio of the each part
inside LSI
quency ratio of the each part
inside LSI
N.C.
Not used
out
179
B16
CS#[0]
Chip Select
Selection signal to select the
slave device
slave device
ROMCS# :IC5
FROM Select
FROM Select
Selection for ROM
out
86
A16
CS#[1]
Chip Select
Selection signal to select the
slave device
slave device
N.C. CL10
Not used
out
411
E15
CS#[2]
Chip Select
Selection signal to select the
slave device
slave device
N.C. CL9
Not used
out
342
D15
CS#[3]
Chip Select
Selection signal to select the
slave device
slave device
N.C. CL8
Not used
out
265
C15 CS#[4]/
IRQ#[4]
Chip Select/Inter-
rupt ReQuest
rupt ReQuest
Selection signal to select the
device/interruption input signal
device/interruption input signal
N.C. 10k_
Pull_UP
Pull_UP
Not used
in
180
B15 CS#[5]/
IRQ#[5]
Chip Select/Inter-
rupt ReQuest
rupt ReQuest
Selection signal to select the
device/interruption input signal
device/interruption input signal
VBUS_F_DC
T# ,CPU
PP15
T# ,CPU
PP15
Interruption at USB_F
Vbus detection
Vbus detection
in
87
A15 CS#[6]/
IRQ#[6]
Chip Select/Inter-
rupt ReQuest
rupt ReQuest
Selection signal to select the
device/interruption input signal
device/interruption input signal
78k_IRQ0#
P40
P40
Interrupt signal from
Mechanical CPU
Mechanical CPU
in
266
C14 CS#[7]/
IRQ#[7]
Chip Select/Inter-
rupt ReQuest
rupt ReQuest
Selection signal to select the
device/interruption input signal
device/interruption input signal
78k_IRQ1#
P41
P41
Interrupt signal from
Mechanical CPU
Mechanical CPU
in
242
U24
D[0]
Local Bus Data
Local bus data
N.C.
Not used
I/O
155
U25
D[1]
Local Bus Data
Local bus data
N.C.
Not used
I/O
62
R26
D[10]
Local Bus Data
Local bus data
N.C.
Not used
I/O
395
P22
D[11]
Local Bus Data
Local bus data
N.C.
Not used
I/O
324
P23
D[12]
Local Bus Data
Local bus data
N.C.
Not used
I/O
245
P24
D[13]
Local Bus Data
Local bus data
N.C.
Not used
I/O
158
P25
D[14]
Local Bus Data
Local bus data
N.C.
Not used
I/O
63
P26
D[15]
Local Bus Data
Local bus data
N.C.
Not used
I/O
64
N26
D[16]
Local Bus Data
Local bus data
CPD[0]
Data for ROM
I/O
159
N25
D[17]
Local Bus Data
Local bus data
CPD[1]
Data for ROM
I/O
246
N24
D[18]
Local Bus Data
Local bus data
CPD[2]
Data for ROM
I/O
65
M26
D[19]
Local Bus Data
Local bus data
CPD[3]
Data for ROM
I/O
60
U26
D[2]
Local Bus Data
Local bus data
N.C.
Not used
I/O
160
M25
D[20]
Local Bus Data
Local bus data
CPD[4]
Data for ROM
I/O
247
M24
D[21]
Local Bus Data
Local bus data
CPD[5]
Data for ROM
I/O
326
M23
D[22]
Local Bus Data
Local bus data
CPD[6]
Data for ROM
I/O
397
M22
D[23]
Local Bus Data
Local bus data
CPD[7]
Data for ROM
I/O
66
L26
D[24]
Local Bus Data
Local bus data
CPD[8]
Data for ROM
I/O
161
L25
D[25]
Local Bus Data
Local bus data
CPD[9]
Data for ROM
I/O
248
L24
D[26]
Local Bus Data
Local bus data
CPD[10]
Data for ROM
I/O
67
K26
D[27]
Local Bus Data
Local bus data
CPD[11]
Data for ROM
I/O
162
K25
D[28]
Local Bus Data
Local bus data
CPD[12]
Data for ROM
I/O
249
K24
D[29]
Local Bus Data
Local bus data
CPD[13]
Data for ROM
I/O
393
T22
D[3]
Local Bus Data
Local bus data
N.C.
Not used
I/O
328
K23
D[30]
Local Bus Data
Local bus data
CPD[14]
Data for ROM
I/O
399
K22
D[31]
Local Bus Data
Local bus data
CPD[15]
Data for ROM
I/O
322
T23
D[4]
Local Bus Data
Local bus data
N.C.
Not used
I/O
243
T24
D[5]
Local Bus Data
Local bus data
N.C.
Not used
I/O
156
T25
D[6]
Local Bus Data
Local bus data
N.C.
Not used
I/O
61
T26
D[7]
Local Bus Data
Local bus data
N.C.
Not used
I/O
244
R24
D[8]
Local Bus Data
Local bus data
N.C.
Not used
I/O
157
R25
D[9]
Local Bus Data
Local bus data
N.C.
Not used
I/O
38
AF13 DA[0]
sDram
multiplexed
Address
Multiplex address for SDRAM
SDA[0]
Address for SDRAM
out
39
AF14 DA[1]
sDram
multiplexed
Address
Multiplex address for SDRAM
SDA[1]
Address for SDRAM
out
pin
No.
pin
assign
ment
Name of
the CPU
the CPU
terminal
VDE
VDD
Signal name
of the CPU
(IC3) on the
main board
Purpose of the signal
I/O
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