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参数资料
| 型号： | LC72323-XXXX |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | QFP-80 |
| 文件页数： | 5/27页 |
| 文件大小： | 457K |
| 代理商： | LC72323-XXXX |
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4. Scan up
In this mode, the system searches for a station. When a station is found it stops and holds that station for 5 seconds
(with AMUTE high) and flashes the frequency display. If the key is pressed once again during that interval, the
system stops and holds that frequency. If no event occurs during that 5 second interval, the system resumes the
search.
If the seek down key is pressed during a scan, a seek in the down direction starts. Scan mode is cleared by pressing
the scan up key twice. The scan pauses for 500 ms when switching from one band edge to another. The search speed
is 50 ms per step in FM mode, and 70 ms per step in AM mode.
5. Band
Pressing this key switches the band.
The table lists the band switching operation under each reception area.
See the description for the AREA0 to AREA3 diode switch settings for details on the reception areas.
6. Local
Pressing this key in radio mode turns off the DX display. If a seek or scan key is pressed in this state, the local pin goes
high and a local search is performed. When the seek or scan is cleared, the local pin goes low. (See section “LOC pin
control”)
Note: The initial state is DX mode.
7. Loudness
When this key is pressed, the “LOUD” indicator lights and the LC75371M LOUD DATA goes to the on state. If this
key is pressed while the LOUD indicator is lit, the indicator goes out and the LC75371M LOUD DATA goes to the
off state.
8. Power (Can be used when DIMRX POWSEL = 0.)
This key is used when controlling the power by the tact key in the key matrix.
Pressing this key inverts the POWER pin.
No. 4934-13/27
LC72323-XXXX
Band switching with the band
Reception area
Europe 1
USA 2, Middle east/Australia 2,
Europe 3, South America
Europe 1
USA 1, Middle east/Australia 1,
South America
USA 1, Middle east/Australia 1
Europe 3
Europe 2
MW
LW
FM
AM
FM1
FM2
FM1
FM2
AM
FM1
FM2
FM3
FM1
FM2
FM3
AM
FM1
FM2
MW
LW
Key
Display state
Normal output state
Search mode output state
LOCAL
DX
On
L
Off
L
H
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