Toshiba TW40F80 - Manual (Page 41)

41
I/O
–
–
I
–
–
No.
76
77
78
79
80
Name
NC
VBM
QSI
VBA
AGND
Function
–
Bias for MPX, clamp 2
Q color signal input
Bias for AD1, AD2
Analog ground
3. BLOCK DIAGRAM
1/2
MPX
&
CLAMP
2
1/456
1/2 1/2
VCO
2
1/2
1/2
I 2
C BUS
DECODER
VCO
1
VSS
5(VCO
2
)
VSS
4(VCO
1
)
VDD4(V
CO
1)
VSS
(Digital)
VDD(Digit
a
l)
VDD(Digit
a
l)
VBM VRA2
VBA
VRA1
VBC
VSS
1(AD)
VDD1(A
D)
VLM
HDF HDI VDI
VSS
(Digital)
VDD5(V
CO
2)
CLAMP
1
AD2 AD1
TEST
CIR
CUIT
TIMI
NG
CONTROLER
LINE MEMORY (624x8) LINE MEMORY (624x8)
DA1
VDD2(DA1
)
VSS
2(DA1)
VBD1 VBD2 VRD2 VBD3
HBL(
TMO
8
)
VBL
(TMO7)
HRF(TMO6) V
M
O(
TMO
5)
SPT(
T
MO
4)
QS
L(TMO
3)
ISL(TMO
2)
VDP(
TMO
1
)
ACP(
TMO
0
)
SCL NCS(TDI7) SE4
2(TDI6
)
BCP(
TDI5)
VRD1 VBD4
YSO
Y
DA2 DA3
LINE MEMORY (1
248x8)
LINE MEMORY (1
248x8)
PO
ST
FILTER
ISO
I
PO
ST
FILTER
VDD3(DA2
&3)
VSS
3(DA2&
3)
QS
O
Q
PO
ST
FILTER
QS
I
ISI
I
PRE FILTER
YSI
Y
PRE FILTER
Q
PRE FILTER
TST
RCK
WCK
TDI
SDA
SCL
VFL2 FILTER
VFL1
FILTER
Fig. 5-3 TC9097F system block diagram