參數(shù)資料
型號: UPD178024GF
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 65/98頁
文件大?。?/td> 467K
代理商: UPD178024GF
Data Sheet U14608EJ1V0DS00
65
μ
PD178024GC-051
Indicator
Description
A1 to E10
Segments “A1” through “E10” indicate the segments of the spectrum analyzer display as follows:
A10
A 9
A 8
A 7
A 6
A 5
A 4
A 3
A 2
A 1
B10
B 9
B 8
B 7
B 6
B 5
B 4
B 3
B 2
B 1
C10
C 9
C 8
C 7
C 6
C 5
C 4
C 3
C 2
C 1
D10
D 9
D 8
D 7
D 6
D 5
D 4
D 3
D 2
D 1
E10
E 9
E 8
E 7
E 6
E 5
E 4
E 3
E 2
E 1
The spectrum analyzer is displayed as follows in the power-on status.
Spectrum analyzer display is to display the audio level in the audio frequency band corresponding to
each row of the five columns of spectrum analyzer segments “A1 to A10” through “E1 to E10”.
For the assignment of an audio frequency band to each column, refer to the description of the SPEC
A, SPEC B, and SPEC C pins.
Of all the 10 levels of segments “1” to “10” constituting one column, all the levels of segments,
except those falling below a given audio level, light to display an audio level.
When the audio level is 6.
When the audio level is 10.
When the audio level is 0.
For how an audio level is identified, refer to the description of the SPEC IN pin.
An audio level the same as the audio level input to the SPEC IN pin is displayed regardless of the
mute status.
During spectrum analyzer display, the displayed contents are updated every 50 ms.
When the spectrum analyzer is not displayed, all segments, “A1” through “E10”, remain dark.
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