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CYRUSTEK CO.
ES5108 3 1/2 Digit
ADC with serial output
2. Frequency Mode
(a) D0(KHz/MHz) : ’1’ for MHz and ’0’ for KHz.
Special data format
Items
D15...D6
D5
D4
D3
D2
D1
D0
Initial state(0000)
Random and don’t care
1
1
1
1
1
1
Positive Overflow(OL)
Random and don’t care
0
0
1
1
1
1
Negative Overflow(-OL)
Random and don’t care
0
0
1
1
1
0
12
LCD Segment Drivers
The ES5108 drives a triplex LCD with three commons. This LCD includes 3 1/2-digits, three decimal, points polarity
sign and annunciators for peakhold, data-hold, continuity, frequency and low battery. The following figure indicates the
assignments of the display segments to the commons and segment drive lines.
12.1
ES5108F
Pin No.
COM1
COM2
COM3
10
CONT
–
MHz
11
B4
C4
DP3
12
KHz
F3
E3
13
A3
G3
D3
14
B3
C3
DP2
15
HOLD
F2
E2
16
A2
G2
D2
17
B2
C2
DP1
18
MAX
F1
E1
19
A1
G1
D1
20
B1
C1
BAT
21
COM1
–
–
22
–
COM2
–
23
–
–
COM3
12.2
ES5108S
Pin No.
COM1
COM2
COM3
3
CONT
–
MHz
4
MIN
B4/C4
DP3
5
KHz
F3
E3
6
A3
G3
D3
7
B3
C3
DP2
8
HOLD
F2
E2
9
A2
G2
D2
10
B2
C2
DP1
11
MAX
F1
E1
12
A1
G1
D1
13
B1
C1
BAT
14
COM1
–
–
15
–
COM2
–
16
–
–
COM3
11
July 4, 2002
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