MCE-K550/K750
6-12. IC BLOCK DIAGRAMS
52
51
F1
XVRST
50
XCS
49
SCK
48
SI
47
VSS
46
TDO
45
TCK
44
TMS
43
TDI
42
VDD
41
TRST
40
VSS
XTEST1
XTEST3
36
TD8
35
TD9
34
VDD
33
TD1O
53
VDD
54
XTEST4
55
XRST
56
SYSCLK
57
PDCLK
58
VSS
59
VSYNC
60
HSYNC
61
SO
62
FID
63
VDD
64
XIICEN
1/2
SYNC Gen.
and
Timing Controller
SIO and I
2
O-Bus
Controller
3
8
Sub Carrier
Gen.
Modulator
Dempx,
Level
Translator
and
Interpolator
4 : 2 : 2 to
4 : 4 : 4
Y, C/
Y, U, V
selector and
Interpolator
SYNC Slope
Gen.
Closed Caption Encoder
(for NTSC)
CSYNC
CHROMA
V
U
Y
BURST FLAG
37-39
-
TEST MODE
10
VDD
19
VSS
C7
C0
11-18
-
5
VSS
Y3
Y0
6-9
-
Y7
Y4
1-4
-
Delay
10bit
DAC
10bit
DAC
10bit
DAC
LPF
LPF
29 YO
28 AVSS2
27 AVDD2
26 VG
25 VB
24 COMPO
23 AVSS1
22 AVDD1
21 VREF
20 IREF
30 AVDD3
31 AVSS3
32 CO
4
4
8
1
2
INPUT
OUTPUT
Cd
5
RESET
OUT
4
GND
3
START
UP
Vref
PROTECTOR
RESET
VO
DETECTOR
ERROR
AMP
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
14
1
2 3
4
5
6
7
13 12 11
10
9
8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
IC509
BU6257AFV-E2
IC302
L78LR05D
IC513
SN74HC74ANS
IC510
CXD2721Q-1
IC511
CXD1913Q
IC701
LC75725E
IC501
LB1641
— 38 —
— 39 —
— 40 —
DATA INPUT
1
2
3
4
5
6
7
8
9
10
13
11
PROTECTION
CIRCUIT
VIDEO RAM
CHARACTER
CHARACTER
SIZE
REGISTER
DATA SELECTOR
DATA
3-BIT
288
WORD
COLOR
DATA
3-BIT
WORD
CHARACTER
DATA
8-BIT
WORD
SHIFT REGISTER
HSYNC
VSYNC
VB
VG
VR
VBLK
VC2
BLK2
VC1
BLK1
CS
DATA
CLK
RESET
VDD
CKOUT
OSCOUT
OSCIN
TEST
VSS
VERTICAL
ADDRESS
COUNTER
TEST
CIRCUIT
OSCILLATION
CIRCUIT
COUNTER
COUNTER
POSITION
ADDRESS
COUNTER
HORIZONTAL
HORIZONTAL
HORIZONTAL
HORIZONTAL
ADDRESS
REGISTER
WRITE
ADDRESS
SIZE
COUNTER
VERTICAL
SIZE
COUNTER
VERTICAL
POSITION
COUNTER
VERTICAL
BACKGROUND
CONTROL
DATA
REGISTER
ADDRESS
COUNTER
DISPLAY
CONTROL
DATA
REGISTER
OUTPUT CONTROL
CHARACTER
GENERATOR
ROM
12X18-BIT
X255-WORD
x
288
x
288
x
20
19
18
17
16
15
14
12
