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LC86P6548 (UIC1) : Microcontroller
1.Pin layout
S48/PG0
S49/PG1
S50/PG2
S51/PG3
P00
P01
P02
P03
VSS2
VDD2
P04
P05
P06
P07
P10/SO0
P11/SI0/SB0
P12/SCK0
P13/SO1
P14/SI1/SB1
P15/SCK1
2.Block diagram
Interrupt Control
Standby Control
X' tal
Base Timer
SIO0
SIO1
Timer 0
Timer 1
ADC
INT0-3
Noise Filt er
SIO Automatic
transmission
RAM
128 by tes
VFD
Controller
High voltage Output
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CF
RC
Bus Interface
Port 1
Port 3
Port 7
Port 8
S19/PC3
50
S18/PC2
49
S17/PC1
48
47
S16/PC0
VDD3
46
S15/T15
45
S14/T14
44
43
S13/T13
S12/T12
42
S11/T11
41
40
S10/T10
39
S9/T9
S8/T8
38
S7/T7
37
36
S6/T6
S5/T5
35
S4/T4
34
S3/T3
33
32
S2/T2
S1/T1
31
IR
PLA
A15-A0
D7-D0
PROM
TA
Control
CE
OE
DASEC
PROM(48KB)
PC
ACC
B Register
C Register
ALU
PSW
RAR
RAM
Stack Poi nter
Port 0
Watchdog Timer
TH-A5R
1-25
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