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2007-12-5
TEC9902B
TEC9902B
LCD
、: TEC9902B , FM/AM/SW ,LCD
CMOS ,。。 1. FM/AM/SW ,: FM:00.0MHz~199.9MHz;AM:000KHz~1999KHz;SW:0.00MHz~29.00MHz 2.,FM:10.7MHz//-10.7MHz//70KHz//-70KHz;AM/SW: 450KHz//455KHz 3. 12/24 ,, 3 , 1 4.,LCD , 5. TAPE 6. 4 7.12 , LCD 8., 32768Hz 9.3 ,17 LCD 10.2.5V~3.5V 。
、LCD ():
.
AL
FM MW LW
.
MHz LOC LOUD KHz MUTE ST PM TAPE 00
.
COM1 COM2 COM3 LG17 LG16 LG15 LG14 LG13 LG12 LG11 LG10
LG9 LG8 LG7 LG6 LG5 LG4 LG3 LG2 LG1
.
1
2007-12-5
、:
AMVDD GND OSCI
OSCO . BPOWER
VDD HSET
TT 51 52 53 54 55 56 57
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
AMI AFVSS FMI FMVDD CTRL TAPE SW A/F AIF FIF1 FIF2 COM1 COM2 COM3 LG17 LG16 LG15 LG14 LG13 LG12
TEC9902B
.
TEC9902B
30 LG11 29 LG10 28 LG9 27 LG8 26 LG7
.
25 LG6.