msm9012 ETC-unknow, msm9012 Datasheet - Page 9

• Manufacturer Part Number: msm9012
• Description: Voice Smart
• Manufacturer: ETC-unknow

MOSEL VITELIC
Application Circuit
Note:
Taiwan
#1, Creation Road I,
Science-based Industrial Park,
Hsinchu 30077
Taiwan, ROC
"[e-mail]"
TEL: [phone]
FAX: [phone]
FAX: [phone]
0.1u
1. T(transistor) = ß > 150, R2=470 ,S(speaker) = 1/4 w, 8 ; all typical.
2. R2=470 ( typical ) to bypass extra current into base to get rid of waveform saturation on collector .
3. Piezo buzzer resonant frequency is around 1K Hz.
4. All the above components need to adjust possibly case by case to meet required performance.
5. Vout1,Vout2 are tristate during stand by.
32768Hz
COM1
CUP1
CUP2
SEG1
CAP
M4
SEG1
COM1
X2
X1
S2
S1
M3 M2 M1
66
67
68
69
70
71
1
2
3
4
5
6
7
8
9
11 1213 14 1516 17
64
P1
P2
P3
P4
63
62
SEG8
61
60
LCD (1/3 duty , 1/2 bias)
VBZ/INT
18 19 20
59
Pad size : 90 x 90 um
Taipei
7F, #102 Section 3,
Ming Chung East Road,
Taipei,
Taiwan, ROC
TEL: [phone]
FAX: [phone]
Substrate is Vdd
58
4290 x 3670 um
MS 001
57
2122 23 24
56
T
G
5
9/12
55
T
G
4
SEG16
54
25 26
Vout2
Buzzer
Vout1
27 28
53
52
R2
29
Hongkong
#19 Dai Fu Street,
Taipo Industrial Estate,
Taipo, N.T.
Hongkong
TEL: [phone]
TEL: [phone]
FAX: [phone]
FAX: [phone]
51
30 31
39
36
35
43
38
37
34
48
47
46
45
44
42
41
40
VSS0
SEG25
Rosc
COM3
COM2
VDD
RES
TG3
TG2
TG1
TG0
EB2
PWR
S3
S4
VSS2
VSS1
BAK
VSS3
COM2
COM3
SEG25
Reset
0.1u
+
-
0.1u
0.1u
MSu001/u001T
U.S.A.
#3910 North First Street,
San Jose,
CA.65134-1501
U.S.A.
TEL: [phone]
FAX: [phone]
PID219D 02/96