參數(shù)資料
型號(hào)： UPD1723GF-213
廠商： NEC Corp.
英文描述： PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO
中文描述： 鎖相環(huán)頻率合成器和控制器的調(diào)頻/中波/低頻調(diào)諧器汽車(chē)音響
文件頁(yè)數(shù)： 37/80頁(yè)
文件大?。?/td> 1590K
代理商： UPD1723GF-213
37
μ
PD1723GF-013,
μ
PD1723GF-213
Function
Symbol
Example)
FM band (FM1, M1 = 76.0 MHz, M2 = 80.0 MHz, M3 = 90.0 MHz), M4 = 88.0 MHz,
M2S = 0
PSCAN
AMEMO
PSCAN
LOC
(TP4)
ME
ME
ME
M1
(TP1)
RDMUTE Pin
Output
Key
Operation
Display
B
E
E
P
B
E
E
P
B
E
E
P
B
E
E
P
B
E
E
P
B
E
E
P
B
E
E
P
5 sec
5 sec
Less
than
5 sec.
Less
than
5 sec.
5 sec
ch
ch
ch
LOC
LOC
ch
ch
ch
LOC
LOC
LOC
LOC
LOC
ch
Preset Scan
Start
Preset Scan
Stop
ch
ch
Example 1)
Japan, FM band 78.0 MHz (M3) reception
(2) Auto store memory
This operation searches for a broadcast station and writes it to preset memory automati-
cally.
Broadcast station search is performed in the up direction, starting from the frequency
currently being received.
If the preset memory channel which is written is receiving the current preset memory, it
is incremented from the preset memory channel being received (from M3 if M3 is being
received). If a channel other than a preset memory channel is being received, the preset
memory channel which is written is incremented from M1. When broadcast stations are
stored up to M6, the auto store memory operation ends.
The auto store memory operation broadcast station search method in the LOCAL mode
and DX mode differs as shown below.
DX mode
The frequencies are searched in the up direction, starting from the frequency currently
being received, and ends when the preset memories are written up to M6 or all the search
frequencies were searched once.
.....
↑
↑
PSCAN
AMEMO
...........
..........
↑
↑
↑
PSCAN
AMEMO
Frequency
78.0
78.1
Seek 80.0
→
80.1
82.5
84.7
87.9
80.0
→
→
→
→ →
ch4
Station
M4
Write
→ → → →
ch4
ch5 ch6
Station
M5
Write
Display
ch3
ch3
ch3
Station
M3
Write
Station
M6
Write
Auto Memory
Stop
Operation
Frequency
78.0
78.1
Seek 90.0
76.0
77.9
78.0
→
→ →
ch1
→
→
Display
ch1
No
Station
ch1
ch1
Operation
1 Cycle
No Station
Auto Memory
Stop
For auto store memory in the DX mode, the SD pin broadcast station detection level is:
Example 2)
Japan, FM band 78.0 MHz reception
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