Panasonic KX-TDA600CE, Service Manual

Page: 31 / 133

8.1.3. EMPR Block Diagram
KX-TDA600
CE
EMPR CARD BLOCK DIAGRAM
+1
5
V
GN
D
+
3
.3
V_BB
(f
or B.
B
.)
EC
_
C
LK
EC
_nR
S
T
EC
_AD
[15:
0
]
EC
_
C
BE[
1:
0
]
EC
_nP
AR
EC
_nF
R
A
M
E
EC
_n
T
R
D
Y
EC
_nST
OP
EC
_nPER
R
EC
_nC
D
E
T
EC
_nI
N
T
(EC
_I
D
SEL)
CT
_
N
E
T
RE
F
CT
_
D
[7
:0
]
CT
_
F
RA
ME
CT
_
C
8
TX
D
1
,R
TS
1
,D
T
R
R
X
D1
,CT
S
1
,DS
R
DC
D1
DC
A
L
M
AC
ALM
POWT
YPE[
1:
0]
nT
D
A
600
M/
n
S
nBAT
T
nLOS nF
AN
_ALM
nH
ALT
RI
NG
E
R
RI
NG
_
S
IN
RI
NG
_
S
Y
N
C
L
E
DR
UN
LED
ALM
nVM
_C
LK
nVM
_F
H
nVM
_D
H
W
nVM
_U
H
W
BM
_nP
R
S
BM
_AD
[25:
0
]
B
M
_
D
AT
[1
5:
0]
BM
_nI
R
Q
BM
_n
R
D
Y
BM
_n
C
S
BM
_nW
E
[1
:0
]
BM
_n
R
D
BM
_
R
D
n
W
R
EC
_
C
LK
EC
_n
R
S
T
EC
_AD[
15:
0
]
EC
_
C
BE[
1:
0
]
EC
_nP
AR
EC
_nF
R
A
M
E
E
C
_
nTR
DY
EC
_nS
T
O
P
EC
_nP
ER
R
EC
_nC
D
E
T
EC
_nI
N
T
AS
IC
(IC102)
AD
R
DA
T
A
nC
S
nWR nR
D
nBS nBR
E,QnBA
C
K
,
etc
nI
R
Q
PI
O[
7:
4
]
P0[
7]
P0[
5:
0]
P2[
3:
0]
P3[
3:
0]
P4[
7
:0]
P5[
7
:4]
nVM
_
C
LK
nVM
_
F
H
n
V
M
_
DHW
nVM
_
U
H
W
CT
_
N
E
T
RE
F
CT
_
D
[7
:0
]
CT
_
F
RA
ME
CT
_
C
8
T
X
D2
,n
RT
S
2
,R
X
D
2
,n
C
T
S
2
(
IC6
1
8
)
SD
I,
SD
O,
C
T
S,
R
T
S
LD
H
W
0,
LU
H
W
0
nF
0
,H
W
_C
LK
RM
T
Ca
rd
(O
pt
ion)
30pin Connect or
BSC
DM
A
C
IN
T
C
RT
C
SC
I
(S
C
IF
)
I/
O
por
tt
FL
AS
H
(IC503)
(Option) E
M
E
C
C
a
rd
M
N
5773
(I
C
405)
U
S
B Int
e
rfa
ce
M
L
60852A
(IC404)
US
B
C
onn
.
(C
N
404)
RT
C
S
M
8580A
M
(IC411)
SR
A
M
1
(IC622)
SR
A
M
0
(IC621)
CP
U
S
H
7750R
(I
C
2
00)
T
x
D,R
x
D,
C
T
S,
R
T
S(
U
A
R
T
i
/f
)
U
H
W
,D
H
W
,C
L
K
(4.
096M
H
z
)
CO
DE
C
(I
C
6
0
5
)
CO
DE
C
(I
C
6
0
6
)
PI
O[
2:
0
]
CH
_
S
E
L
[2
:0
]
Mu
/nA
Mu
/nA
Mu
/n
A
+3
.3
V
Se
ri
e
s
Re
g
.
(IC625)
+1
.5
V
Dbus buffer
Abus
buff
e
r
Loc
al
Addr
es
s
bus
Loc
al
D
a
ta
bu
s
C
o
nt
rol bus
S
D
RA
M
256M
bit
(IC505)
SD
RA
M
256M
bit
(IC506)
A[2:15]
A[2:15]
D[16:31]
D[0:15]
nC
S
2
,n
R
A
S
,
nR
D
/nC
A
S
,
RD/
n
W
R
,
nW
E
1
,n
W
E
0,
CK
E
nC
S
2
,n
R
A
S
,
nR
D
/nC
A
S
,
RD/
n
W
R
,
nW
E
3
,n
W
E
2,
CK
E
R
S
232C
Dr
v/
R
c
v
(IC
6
1
8
)
C
T
-bus
EC
-b
u
s
VM
-L
in
k
LA[4:1]
LD[3:0]
LA[7:1]
LD[15:0]
LA[7:1]
LD[7:0]
OSC
12M
H
z
(X401)
CL
K
Dr
iv
e
r
(IC202)
OSC
20M
H
z
(X402)
CK
IO
CK
IO
_
S
D
R
A
M
1
CK
IO
_
S
D
R
A
M
2
CK
IO
_
N
E
X
U
S
CK
IO
_
E
M
E
C
TC
X
O
16.
384M
Hz
(X104)
SS
C
G
(I
C
2
0
6
)
CL
K
_
1
6
M
CL
K
_
1
6
M
LD[15:0]
LA[22:1]
LD[15:0]
LA[20:1]
nCS_FLASH0
nRD,nWE,
nRESET
LD[15:0]
LA[20:1]
nCS_SRAM1
nCS_SRAM0
nRD, nWE,
nUB, nLB
nRD,nWE,
nUB, nLB
nCS_RTC
OSC
(X
403)
nRD,nWE
nRESET
Abus buf
fer
Db
u
s
b
u
ffe
r
CKIO_SDRAM1
CKIO_SDRAM2
SW
R
e
g
.
(I
C
6
0
2
)
nCS_SDB
nRD,nWE
nRESET
S
D
Card
S
o
ck
et
.
(C
N
403)
nCS_USB
nRESET
nRD, nWE
nDREQ0,nDREQ1
nDACK0,nDACK1
nIRQ_USB
LD[15:0]
D[31:0]
A[25:0]
M
e
lody
-IC
(I
C
610)
MO
H
S
E
L
+1
5
V
ME
L
O
D
Y
S
E
L
SEL
A
G
C
(
IC
608)
A
G
C
(
IC
609)
MO
H
1
PAG
IN
G
1
MO
H
2
PAG
IN
G
2
C
H
_SEL[
0]
C
H
_SEL[
1]
nCS4
nRD,nWE
OSC
(X
201)
32.
768
KH
z
DT
R
2,
D
S
R
2
,DC
D
(I
C
6
1
8
)
RI
NG
S
Y
N
C
,V
B
U
S
nD
C
_
A
L
M
,
nI
R
Q
_B
U
S
M
,
nI
R
Q
_U
S
B
,
nI
R
Q
_A
S
IC
LE
D
1
0
1
L
E
D103
SD
-A
CCE
S
S
B
A
TTA
L
A
R
M
In
it
ia
liz
e-S
W
S
W
103
S
o
ft-R
ese
t-SW
S
W
101
nI
R
Q
_A
S
IC
nI
R
Q
_B
U
S
M
n
R
ESET
nI
N
IT
H
A
LT
,M
/uA,
M
O
H
SEL
,M
ELOD
YSEL
,
C
H
SEL[
2:
0
],BM
_nR
ES
ET,BM
,nPR,SnPR
S_
M
E
C
nPR
S_
R
M
T,nLED
AL
M,nLED
R
U
N,P
O
W
T
YPE
[1
:0
],
m
T
D
A6
00,
M
/nS,M
E
C
_
M
O
D
E
[3
:0
],
D
IPSW
1-7
nPRS_MEC,
MEC_MODE[3:0]
CS
G
ene
ra
ti
on
RDY
G
ener
at
io
n
CP
G
(P
LL)
EMPR
C
a
rd
D[0:31]
A[0:25]
LD[0:15]
L
A
[0
:2
5
]
VBUS
Va
ri
o
u
s
In
p
u
t
s
ign
al
s
V
a
ri
ous
ou
tp
ut
s
ign
al
s
8Mbit
32.768KHz
SD Card Interface
(CN301)
(CN103)
,nRD,nCS0-6,nBS,RD/nWR
nWE[0:3]nRAS,nCAS,eyc
nI
N
IT,n
R
ESE
T,AC
_AL
M
,
nBAT
T,nBA
T
_
AL
M,n
LOS,nSL
F
F
A
N
ALM
,nF
A
N
_
ALM,
CN702
+3
.3
V
B
Battery
CN402
JK601 JK603
JK602 JK604
31
KX-TDA600CE