EM73P461A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PIN ASSIGNMENT
1
2
3
4
5
6
7
8
V3
V2
V1
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VA
VB
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
NC
NC
NC
NC
NC
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM3
COM2
COM1
COM0
VB
VA
V3
V2
COM0
COM1
COM2
COM3
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
P0.0
VSS
CLK
LXOUT
LXIN
VDD
P4.3
P4.2
P4.1
P4.0
P8.3
P8.2
P8.1
P8.0
RESET
VPP
P0.3
P0.2
P0.1
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
P0.0
P0.1
P0.2
P0.3
VPP
NC
NC
9
EM73P461A
10
11
12
13
14
15
16
17
18
19
20
21
EM73P461A
PDIP42
QFP 100
97
98
99
V1
NC
NC
100
NC
FUNCTION BLOCK DIAGRAM
LXIN
CLK
LXOUT
RESET
Timing
Generator
Sleep Mode
Control
Clock
Generator
Clock
Generator
(slow)
Reset
Control
System Control
Data pointer
ACC
Stack pointer
Instruction Decoder
Instruction Register
Interrupt
Control
Stack
ROM
ALU
Flag
ROM
Time
Base
Timer/Counter
(TA,TB)
Z
C
S
G
PC
DP
SP
HR
LR
P0.0/WAKEUP0
P0.1/WAKEUP1
P0.2/WAKEUP2
P0.3/WAKEUP3
VA
VB
V1
V2
V3
I/O Control
LCD
HTC
* This specification are subject to be changed without notice.
12.27.2001
2
ELAN [ ELAN MICROELECTRONICS CORP ]
