Sanyo DC-MCR60 Service Manual page 14

IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC72338-9C10 (Single-Chip PLL + Controller)
1
XIN
XOUT 80
74
FMIN
75
AMIN
SNS 72 SNSFF
73
VDD
VSS 76
V-DET
1 / 2
HCTR 70
LCTR 71
HOLD 69
TEST1 79
TEST2 2
PA0 18
PA1 17
BUS
DRIV.
PA2 16
PA3
15
PB0 14
LATCH
PB1 13
BUS
PB2 12
DRIV.
PB3 11
10
PC0
LATCH
9
PC1
BUS
PC2 8
DRIV.
PC3 7
SIO
PG0 6
CK0/PG1
5
LATCH
BUS
SO0/PG2 4
DRIV.
3
SI0/PG3
DIVIDER REFERENCE DIVIDER
1 / 16,1 / 17 PROGRAMMABLE DIVIDER
LATCH
UNIVERSAL
COUNTER
(20bits)
RAM
512 x 4bits
ROM
8K x 16bits
ADDRESS DECODER
PROGRAM COUNTER
STACK
ALU
SELECTER
PHASE
DETECTOR
UNLOCK
F/F
LCDA/B
4
SEG
4
PLA
LCPA/B
ADDRESS
DECODER
BUS
DRIVER
INSTRUC-
TION
DECODER
BEEP
JUDGE
DAC
ADC
- 13 -
77 E01
78
58
COMMON
57
DRIVER
56
60
59
55
54
53
52
51
50
49
48
7
47
LCD
46
LATCH 96
PORT
45
DRIVER
44
43
42
41
40
39
LATCH
38
BUS
37
DRIV.
36
35
LATCH
34
BUS
33
DRIV.
32
30
LATCH
29
BUS
DRIV. 28
27
26
MPX
LATCH
BUS 25
DRIV.
24
23
MPX
61
LATCH
62
MPX
BUS
63
DRIV. MPX
64
MPX
19
LATCH
20
BUS
21
DRIV.
22
INTERRUPT
MPX
65
66
LATCH
BUS
67
DRIV.
68
E02
COM1
COM2
COM3
Vdd1
Vdd2
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17/PE0
S18/PE1/SCK2
S19/PE2/SO2
S20/PE3/SI2
S21/PF0
S22/PF1/SCK1
S23/PF2/SO1
S24/PF3/SI1
S25/PM0
S26/PM1
S27/PM2
S28/PM3
S29/PN0/BEEP
S30/PN1
S31/PN2
S32/PN3
PJ3/DAC3
PJ2/DAC2
PJ1/DAC1
PJ0/DAC0
PK3
PK2
PK1/INT1
PK0/INT0
PH3/ADI3
PH2/ADI2
PH1/ADI1
PH0/ADI0