Read Panasonic KX-NCP1172XJ Service Manual online
6
KX-NCP1172XJ
5 Technical Descriptions
5.1.
Block Diagram
KX-NCP1
172XJ BLOCK DIAGRAM
S
a
m
e
a
s
"Po
rt#1
-#
4
"
Port#5
-
#
8
CT_C
8_A
CT_F
RAM
E_A
CT_N
ETR
EF
CT_D
[7:
0]
TXB[
7:0
]
TXA[
7:0
]
RX[7
:0]
LA[1
2:0
]
LD[7
:0]
nRD
nWR
nCSI
+5V
+3.3V
Dr
iv
e
r
&
Recei
v
e
r
Se
rg
e
EM
C
Port#
1
Port#2
S
a
m
e
a
s
"Po
rt#1"
P27
nIRQ
L_nR
ST
VREF
+
VREF
-
VREF CONT
ROL
LER
P2[5
:4
]
RESE
T
IC
nRES
ET
Power
Supply
+15V
JUMP
ER
MODE
[5:
0]
nH
A
L
T
XTAL 16.3
84
MHz
PLLC
LK
nBRE
Q
nBAC
K
nWAI
T
nCS1
LATC
H
nALE
A[0:
4]
A[13
:17
]
JUMP
ER
P0
[7:0
]
+40V
P22
P23
+3.3V
nRES
nRES
LED_
RED
LED_
GRE
EN
nCS2
nCS_
DMA
Port#3
S
a
m
e
a
s
"Po
rt#1"
Port#4
S
a
m
e
a
s
"Po
rt#1"
S
a
m
e
a
s
"Po
rt#1
-#
4
"
Port#9
-
#12
S
a
m
e
a
s
"Po
rt#1
-#
4
"
Port#13
-
#16
TXB[
7:0
]
TXA[
7:0
]
RX[7
:0]
PLLC
LK
LD[7
:0]
LA[1
2:0
]
nCSS
AM
nCSI
nCS_
DMA
nWAI
T
nRD
nWR
nALE
nBRE
Q
nBAC
K
nSBR
EQ
nSBA
CK
LUHW
LDHW HW_F
H
HW_C
LK
LDHW
LUHW
CONT
ROL
nCS2
POW
E
R
SEL
nCS3
P5[7
:0]
P5[7
:0]
VREF
+
VREF
-
VREF
+
VREF
-
VREF
+
VREF
+
VREF
-
VREF
-
+15VPT
FF
nCS0
FF
PT_C
UR[
7:0
]
nCS0
nWR
nWR
Ov
e
r
L
o
a
d
P
rote
c
ti
on
BELL_SYNC
Pu
ls
e
T
ra
ns
fo
rm
er
S
a
m
e
a
s
"Po
rt#1
-#
4"
Port#5
-
#
8
E
C
_CLK
nSYS
TE
_R
S
T
E
C
_AD[
15:
0]
E
C
_BE[
1:0
]
E
C
_PAR
E
C
_FRA
ME
E
C
_TRD
Y
E
C
_STO
P
E
C
_IDS
EL
E
C
_PER
R
E
C
_INT
ASIC
ma
st
er
Dr
iv
e
r
&
Recei
v
e
r
Se
rg
e
EM
C
Port#
1
D1
D2
DR1
DT1A
DT1B
24
Port#2
S
a
m
e
a
s
"Po
rt#1"
RA
M
nWR
nRD
nCS
A[16
:0]
D[7:
0]
BREA
K
VREF CONT
ROL
LER
RESE
T
IC
Power
Supply
JUMP
ER
1M
nCS2
LATC
H
A[0:
4]
A[13
:17
]
JUMP
ER
DRIVER
DRIVER
Port#3
S
a
m
e
a
s
"Po
rt#1"
Port#4
S
a
m
e
a
s
"Po
rt#1"
S
a
m
e
a
s
"Po
rt#1
-#
4"
Port#9
-
#12
S
a
m
e
a
s
"Po
rt#1
-#
4"
Port#13
-
#16
ASIC
sl
av
e
nRES
ET
24
S
HW_F
H
S
HW_C
LK
#9
-#
16P
ITS
POW
E
R
SEL
+40V
+15V
PT
PT_P
OW0
PT_C
UR0
P
T
_POW
[7:
0]
#1
-#
8PI
TS
CONT
ROL
PT_P
OW
[15:
8]
FF
PT_
C
U
R
[1
5
:8]
FF
Ov
e
r
L
o
a
d
P
ro
tecti
o
n
FH
Pu
ls
e
T
ra
ns
fo
rm
er
BACKBOARD
XTAL
16.3
84
MHz
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