Texas Instruments MSP430x4xx Family User Manual page 705

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Figure 25−7. 2−Mux LCD Example
LCD
f
e
DIGIT8
Pinout and Connections
Connections
'430 Pins
LCD Pinout
PIN
COM0
S0
1
1f
S1
2
1h
S2
3
1d
S3
4
1e
2f
S4
5
S5
6
2h
S6
7
2d
S7
8
2e
S8
9
3f
S9
10
3h
S10
11
3d
3e
S11
12
S12
13
4f
S13
14
4h
S14
15
4d
S15
16
4e
17
5f
S16
S17
18
5h
5d
S18
19
S19
20
5e
S20
21
6f
S21
22
6h
S22
23
6d
24
6e
S23
S24
25
7f
7h
S25
26
S26
27
7d
S27
28
7e
S28
29
8f
S29
30
8h
31
8d
S30
S31
32
8e
33
COM0
COM0
COM1
34
NC
COM2
NC
COM3
Figure 25−7 shows an example 2-mux LCD, pinout, LCD-to-MSP430
connections, and the resulting segment mapping. This is only an example.
Segment mapping in a user's application completely depends on the LCD
pinout and on the MSP430-to-LCD connections.
a
b
g
c
d
h
3
COM
MAB 0A0h
--
COM1
--
09Fh
1a
1b
--
09Eh
1c
--
09Dh
1g
--
09Ch
2a
--
2b
09Bh
2c
--
09Ah
2g
--
099h
3a
--
098h
3b
3c
--
097h
3g
--
096h
4a
--
095h
4b
--
4c
094h
4g
--
093h
5a
--
092h
5b
--
091h
5c
5g
6a
3
A
G 0
6b
6c
B
3
6g
7a
7b
7c
7g
8a
8b
8c
8g
COM1
f
g
e
d
DIGIT1
Display Memory
2
1
0
3
2
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
--
g
e
--
--
--
b
h
--
--
2
1
0
3
2
Sn+1
Sn
LCD_A Controller
LCD_A Controller Operation
a
b
c
h
1
0
c
d
n = 30
1/2 Digit 8
a
f
28
c
d
26
Digit 7
a
f
24
c
d
22
Digit 6
a
f
20
c
d
18
Digit 5
a
f
16
c
d
14
Digit 4
a
f
12
c
d
10
Digit 3
a
f
8
c
d
6
Digit 2
a
f
4
c
d
2
Digit 1
a
f
0
Parallel-
1
0
A
0
Serial
G
3
B
Conversion
25-13

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