Ic Data - Yamaha RX-V495 Service Manual

IC DATA

IC800 : LC87F65C8A (LC876564A-5K19)
µ
8 bit -COM
S48/PG0
S49/PG1
S50/PG2
S51/PG3
P00
P01
P02
P03
VSS2
VDD2
P04
P05
P06
P07
P10/SO0
P11/SI0
P12/SCK0
P13/SO1
P14/SI1
P15/SCK1
80 79 78 77 76 75 74 73 72 71 70
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1 2 3 4 5 6 7 8 9 10 11
INTERRUPT
CONTROL
STANDBY
/RES
CONTROL
CF1
CF
CF2
CLOCK
GENE-
RC
RATOR
XT1
Xtal
XT2
SERIAL I/O 0
(SO0,SI0,SCK0)
SERIAL I/O 1
(SO1,SI1,SCK1)
TIMER 0
TIMER 1
BASE TIMER
VFD CONTROLLER
(S0-S51)
NOISE REJECTION
FILTER(INT0-INT3)
RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
69 68 67 66 65 64 63 62 61 60 59 58
TOP VIEW
12 13 14 15 16 17 18 19 20 21 22 23
BUS INTERFACE
PORT 0
(P00-P07)
PORT 1
(P10-P18)
PORT 3
(P30-P34)
PORT 7
(P70-P73)
PORT 8
(P80-P87)
ADC
SMALL SIGNAL
DETECTOR
57 56 55 54 53 52 51
50 S19/PC3
49 S18/PC2
S17/PC1
48
S16/PC0
47
46 VDD3
45 S15/T15
S14/T14
44
S13/T13
43
42 S12/T12
41 S11/T11
S10/T10
40
S9/T9
39
38 S8/T8
S7/T7
37
S6/T6
36
S5/T5
35
S4/T4
34
S3/T3
33
S2/T2
32
S1/T1
31
24 25 26 27 28 29 30
IR PLA
FLUSH ROM
PC
ACC
B REGISTER
C REGISTER
ALU
PSW
RAR
RAM
STACK POINTER
WATCH DOG
TIMER
26