Read Panasonic KX-TDA620BX (serv.man8) Service Manual Supplement online
6
KX-TDA620 Series
4 Technical Descriptions
4.1.
Block Diagram
CP
U
SH4
IC200
FL
A
S
H
4M
B
S
D
RA
M
16M
B
SR
A
M
Main_BUS
1M
B
AS
IC
IC101
E
C_BUS
CT_BUS
LED
Ad
d
/D
a
ta
Dr
iv
er
OS
C
16M
90
pi
n
16.384MHz
Ci
rc
-
Li
n
k
IC
401
OSC40M
LVDS
RS
T
I
C
3.3V
Sy
s
te
m
T
S
W
IC501
LVDS
SH
W
U
[2
:0
]
C
P
U_
S
T
A
T
US
[1
:0
]
SH
W
_
C
L
K
,SH
W
_
n
F
H
CPLD
IC
402
1/2
+1
5V
GN
D
3.3V
_B
B
EC
_C
L
K
EC
_nR
S
T
EC
_A
D
[15:
0
]
E
C
_
CBE
[1
:0
]
EC
_P
A
R
EC
_nF
R
A
ME
EC
_nT
R
D
Y
EC
_nS
T
O
P
EC
_nP
ER
R
EC
_nC
D
E
T
EC
_nI
N
T
EC
_I
DS
E
L
CT
_
N
E
T
RE
F
C
T
_D
[7
:0
]
C
T
_C
8
RI
N
G
E
R
n
HALT
PO
W
_
T
Y
PE
[1
:0
]
M/nS
MA
S
T
E
R
/nS
LE
D
R
UN
LE
D
A
LM
nB
A
T
T
nL
O
S
_B
B
n
S
L
F
F
A
N_
AL
M
nF
A
N
_
A
L
M
DC
_
A
L
M
AC
_
A
LM
R
IN
G
_
S
YNC
S
H
W
D
0_P
/N
S
H
W
D
1_P
/N
S
H
W
D
2_P
/N
S
H
W
U
0_P
/N
S
H
W
U
1_P
/N
S
H
W
U
2_P
/N
S_
R
IN
G
S
Y
N
C
_
P
/N
S_
n
R
ESET_
P/
N
SH
W
_
C
L
K
_
P/
N
SH
W
_
n
F
H
_
P/
N
CT
_
N
E
T
RE
F
_
P
/N
CC
L
IN
K
_
P
/N
nL
O
S
_P
/N
C
P
U_
S
T
A
T
US
0
_
P
/N
C
P
U_
S
T
A
T
US
1
_
P
/N
nS
L
F
_
P
R
S
S_
ESL
F
ID
[1
:0
]
SH
W
D
[2
:0
]
IC
113
X102
nCS4
L_nWE
L_nRD
L_nLB/UB
L_ADD[16:1]
L_nWE
L_nRD
L_nLB/UB
L_ADD[16:1]
L_DATA[15:0]
nCS0
L_nWE0
L_nRD
L_nLB/UB
L_ADD[16:1]
L_nWE0
L_nRD
L_nLB/UB
L_ADD[16:1]
L_DATA[15:0]
ADD[22:17]
L_DATA[15:0]
L_nRD
L_nWE0
L_ADD[16:1]
L_nWE1
L_nWE
L_R/nW
L
_
DAT
A[
1
5
:0
]
L
_
AD
D[
1
5
:0
]
nC
S
4
nC
S
5
nR
D
L
_
nW
E
[1:
0]
nB
S
n
W
AI
T
_
AS
IC
C
L
K
_16
M
nCS_CCLINK
L_nRD
L_nRD
nWR_CCLINK
L_ADD[5:1]
L_DATA[15:0]
nIRQ_CCLINK
CC
L
IN
K
_
R
XD
C
C
L
INK
_
T
XD
C
C
L
IN
K
_T
X
E
N
nDTACK
C
L
K
_20
M
CLK_40M
X
401
nDS
L_R/nW
L_R/nW
nCS_CTSW
L_ADD[14:1]
L_DATA[15:0]
C
T
_C
8,
C
T
_F
R
A
M
E
C
T
_D
[7
:0
]
DATA[15:0]
nRD
nWE0
ADD[16:1]
nWE1
RD/nWR
C
T
S
W
_E
N
IC
304
IC
303
IC
301,302
RI
NG_
S
Y
N
C
E
S
L
F
ID
[1:
0]
BM
_
n
R
E
S
E
T
S_
ESL
F
ID
[1
:0
]
S
_
RI
NG_
S
Y
N
C
S_
n
R
ESET
nL
O
S
n
C
S
_
CCL
IN
K
L_
n
W
E
nC
S
_
C
T
S
W
L_
n
R
D
L_
R
/n
W
nD
T
A
C
K
n
W
AI
T
_
NE
X
U
S
nC
S
5
n
W
R
_
CCL
IN
K
nD
S
nR
D
Y
nI
R
Q
_A
S
IC
n
IRQ
_
CCL
IN
K
nD
C
_
A
L
M
SS IC
IC
202
DATA[31:0]
ADD[15:2]
nCS2
nRAS, nCAS
RD/nWR
DQM[3:0]
CL
KI
O
DATA[31:0]
ADD[16:1]
nCS2
nRAS, nCAS
RD/nWR
DQM[3:0]
nS
L
F
_
P
R
S
LVDS
IC
203
RI
NGE
R
HA
L
T
PO
W
T
Y
P
E
M
A
STER
/n
S
M/
n
S
LE
D
_
A
L
M
LE
D
_
R
U
N
To
C
P
U
nB
A
T
T
nL
O
S
_B
B
n
S
L
F
F
AN_
A
L
M
n
F
AN_
A
L
M
DC_
A
L
M
AC_
A
L
M
S
h
eet
6
S
h
eet
4
She
e
t 1
She
e
t 3
She
e
t 7
3.3V
1.5V
DC
/D
C
IC
701
IC
703
Li
-B
AT
3.
3
V
B
RE
G
15
V
S
h
eet
2
S
h
eet
5
KX-TDA620 Series BUS-S CARD BLOCK DIAGRAM
40
CN601
pi
n
Local_BUS
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