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| 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位單片機具有片上標器，鎖相環(huán)頻率合成器，如柜臺，汽車調(diào)頻/中波/龍運收音機帶CD播放器 |
| 文件頁數(shù)： | 64/98頁 |
| 文件大小： | 467K |
| 代理商： | UPD178024GC-051-8BT |
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Data Sheet U14608EJ1V0DS00
64
μ
PD178024GC-051
Indicator
Description
Digits <8> and <9>
These digits display the following:
(1) Preset memory number of radio
(2) Track number of CD player
(3) Volume value of electronic volume
At all other times, they remain dark.
(1) Preset memory number of radio
Digit <9> displays a preset memory number (“1” to “6”).
At this time, digit <8> remains dark.
While the station of a preset memory is being received, the preset memory number is displayed.
When a station is written to a preset memory, the number of the preset memory to which the station
is written is displayed and blinks only once (i.e. goes off for 500 ms).
After that, the number of the preset memory whose station is being received (i.e., to which a station
has been written) is displayed again.
While the preset memory is being scanned, the number of the preset memory whose station is being
received is displayed blinking at a frequency of 1 Hz and with a duty factor of 50%.
During an auto store memory operation, the preset memory that has been written by the operation is
displayed blinking at a frequency of 1 Hz and with a duty factor of 50%.
If no station is written to the preset memory, digit <9> remains dark.
A preset memory number is not displayed during forced mute display and telephone mute display.
(2) Track number of CD
Digits <8> and <9> display the track number of the CD (“01” to “99”, or “
”).
If the track number to be displayed is 9 or less, the first digit is prefixed with 0.
While the playback time of the CD player is being displayed, the number of the track being played is
displayed.
To jump to another track during playback, the number of the jump destination is displayed blinking at
a frequency of 1 Hz and with a duty factor of 50% until the jump is completed and the track starts
playing.
After a disc has been loaded and until playing starts, “
” is displayed as the track number, blinking
at a frequency of 1 Hz and with a duty factor of 50%.
While a program is being edited, the number of the set track is displayed as the contents of the
program.
While a track number is being selected (not yet set), the track number is displayed, blinking at a
frequency of 1 Hz and with a duty factor of 50%.
When no track number is selected, “
” is displayed.
For how the playback time and the status of editing a program is displayed, refer to the description of
digits <3> through <7> and “4.2 Program Playback”.
(3) Volume value of electronic volume
While the electronic volume is displayed, the volume value (“00” to “63”) in each adjustment mode of
the electronic volume is displayed with digit <7>.
At this time, digit <7> shows the sign of the volume value (“+” or “
”), the balance adjustment
direction (“R” or “L”), or the fader adjustment direction (“F” or “R”).
If the volume value to be displayed is 9 or less, the digit is prefixed with 0.
For details of electronic volume display, refer to the description of digits <3> through <7>.
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