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參數(shù)資料
| 型號： | UPD178024GC-051-8BT |
| 廠商： | NEC Corp. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-BIT SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOTIVE FM/MW/LW RADIO WITH CD PLAYER |
| 中文描述： | 8位單片機(jī)具有片上標(biāo)器，鎖相環(huán)頻率合成器，如柜臺，汽車調(diào)頻/中波/龍運(yùn)收音機(jī)帶CD播放器 |
| 文件頁數(shù)： | 34/98頁 |
| 文件大?。?/td> | 467K |
| 代理商： | UPD178024GC-051-8BT |
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Data Sheet U14608EJ1V0DS00
34
μ
PD178024GC-051
Momentary Key
Function
(2) Auto store memory
This operation is to search a broadcasting station automatically and write it to a preset memory.
A station is searched in the upward direction starting from the frequency incremented by 1 channel
space from the frequency received when the auto store memory operation was started.
If the auto store memory operation is started while a preset memory is being received, the preset
memory reception status is cleared.
When a station is detected, the frequency of that station is written to a preset memory.
For how to identify detection of a station, refer to “3. RADIO FUNCTIONS”.
During the auto store memory operation, the number of the preset memory to which the frequency of
the station detected last is displayed blinking at a frequency of 1 Hz and with a duty factor of 50%.
If nothing is written to a preset memory, the preset memory number is not displayed.
The auto store memory operation is performed as follows, depending on the on/off status of the local
mode when the operation was started.
Local Mode
Operation
On
Searches a station in the local mode in the upward direction from the
frequency incremented by 1 channel space from the frequency currently
received.
If six stations or more have not been detected by the time all the
frequencies have been searched once, the DX mode is selected and the
search operation continues.
If six or more stations have been detected in the local mode, or if all the
frequencies have been searched in the DX mode, the auto store memory
operation is finished.
If the PSCAN/ASM key is pressed during a search, the auto store
memory operation ends, and the frequency received when the operation
was started is received.
If even one station is detected when the auto store memory operation
ends because six or more stations were detected in the local mode or all
the frequencies were searched in the DX mode, a preset memory scan
operation is started from preset memory M1.
PSCAN/ASM
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