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参数资料
| 型号： | LC7232N-8819 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | QFP-80 |
| 文件页数： | 20/23页 |
| 文件大小： | 219K |
| 代理商： | LC7232N-8819 |
Key Matrix and Diode Matrix (DIMRX)
No. 4643-6/23
LC7232N-8819
K0
K1
K2
K3
K4
K5
T0
CH1/TIMER ON
CH2/TIMER OFF
CH3
CH4
B0
v
B1
v
T1
CH5
CH6
CH7
CH8
B2
v
FM
v
T2
T-UP
T-DOWN
BAND
ME
MW
v
LW
v
T3
MO/ST
MUTE
BASS
FUNC.
SW1
v
SW2
v
T4
POWER
V-UP
V-DN
PHONO
IFSHIFT
v
SELFUN
v
T5
TUNER
CD
TAPE
AUX
C0
v
C1
v
T6
FM
MW
LW (SW1)
SW2 (SWA), (SWB)
C2
v
C3
v
T7
SLEEP
DISPLAY
TIMER
CLOCK
v
ANTIPHON
v
Diode Matrix Descriptions
Diode matrix name
On/off
Function
Invalid regions
B0, B1, B2
0
See the descriptions of the reception frequencies.
—
1
FM
0
FM step = 100 kHz
Invalid in the USA (1) and USA (2) regions.
1
FM step = 50 kHz
MW
0
MW ‘a’ frequency range
Valid in all regions.
1
MW ‘b’ frequency range
LW
0
LW disabled
Invalid in China, the USA (1), USA (2) and
1
LW enabled
the Middle East.
SW1
0
SW1 (SWA) disabled
Invalid in the USA (1), USA (2) and
1
SW1 (SWA) enabled
Europe.
SW2
0
SW2 (SWB) disabled
Selects SW1 or SW2 when LW = 0, and
1
SW2 (SWB) enabled
selects SWA or SWB when LW = 1.
IF SHIFT
0
450 kHz selected
Valid in all regions.
1
468 kHz selected
SELFUN
0
Function switching is performed by the FUNC0 and FUNC1 inputs.
1
Function switching is performed by the tact switch.
C0 to C3
0
These should be set to match the LC7232N-8819 and/or
1
LC7461M-8103 custom code.
CLOCK
0
Clock and timer disabled
1
Clock and timer enabled
ANTI-PHON
0
Phono function enabled
1
Phono function disabled
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