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參數資料
| 型號： | LA8522M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數： | 17/17頁 |
| 文件大?。?/td> | 334K |
| 代理商： | LA8522M |
Serial Data Format (6-bit structure)*1
A6:0
→ Crosspoint switch (and other device) address setting (binary)
D
→ Controls the crosspoint switch and power amplifier on/off state.
Electronic volume control and attenuator selection
D = 1: Crosspoint switch: on
D = 0: Crosspoint switch: off
*1. When 8-bit serial data input mode is used.
Since the serial data has a 6-bit structure, the first and second bits are unused when 8-bit input mode is
used.
*2. When the reset value is issued, the D data value can be either 0 or 1.
Notes 1. A reset command must be issued 200 ms after power is applied.
2. The electronic volume control is set to 0 dB by a reset (address: 00000*).
3. Attenuator 1 is set to 0 dB by a reset (address: 00000*).
4. Attenuator 2 is set to 0 dB by a reset (address: 00000*).
No. 6951-9/17
LA8522M
A4
CE
DATA
A13754
FIRST BIT
CLOCK
A3
A2
A1
A0
D
Address table (Crosspoint switch)
Input - Output
OUT1
OUT2
OUT3
OUT4
AMP1
10000
10100
11000
11100
AMP2
10001
10101
11001
11101
AMP3
10010
10110
11010
11110
AMP4
10011
10111
11011
11111
Address No.
A4:0
D
Mode
00000
*
Reset, control switch default
*2
00011
0
BTL power amplifier: off
← Default setting
00011
1
BTL power amplifier: on
01000
0
Electronic volume control
0 dB
← Default setting
01001
0
Electronic volume control
–4 dB
01010
0
Electronic volume control
–8 dB
01011
0
Electronic volume control
–12 dB
01100
0
Electronic volume control
–16 dB
01101
0
Electronic volume control
–20 dB
01110
0
Electronic volume control
–24 dB
01111
0
Electronic volume control
–28 dB
01000
1
Attenuator 1-0
0 dB
← Default setting
01010
1
Attenuator 1-1
–4 dB
01100
1
Attenuator 1-2
–8 dB
01110
1
Attenuator 1-3
–12 dB
00010
0
Attenuator 2-0
0 dB
← Default setting
00010
1
Attenuator 2-1
–6 dB
[Data A4:0]
Other addresses [Data A4:0, D]
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