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參數(shù)資料
| 型號： | TAS5705PAPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封裝： | 10 X 10 MM, GREEN, PLASTIC, HTQFP-64 |
| 文件頁數(shù)： | 48/72頁 |
| 文件大小： | 1168K |
| 代理商： | TAS5705PAPR |
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SLOS549A – JUNE 2008 – REVISED SEPTEMBER 2009 ................................................................................................................................................ www.ti.com
Table 13. System Control Register 2 (0x05)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
–
Reserved (1)
When D6 is deasserted, all channels not belonging to shutdown group (SDG) are
–
0
–
started. SDG register is 0x19.
When D6 is deasserted, all channels are started. VALID = 1. No channels in
–
0
1
–
SDG1.
–
1
0
–
All channels are shut down (hard mute). VALID = 0.
–
1
–
All channels are shut down (hard mute). VALID = 0 (1)
–
0
–
Reserved (1)
Use HP volume register (0x0C) for adjusting headphone volume when in
–
0
–
headphone mode. (1)
–
1
–
Use channel volume registers (0x08–0x0B, 0x0D) for all modes.
Speaker mode. Hardware pin, HPSEL = 1, forces device into headphone
–
0
–
mode. (1)
–
0
1
–
HP mode. This setting is logically ORed with external HPSEL pin.
Line out mode. Hardware pin, HPSEL, is ignored for this setting. HP_PWMx pins
–
1
0
–
are active.
–
1
–
Reserved
–
0
Reserved (2)
(1)
Default values are in bold.
(2)
Default values are in bold.
SOFT MUTE REGISTER (0x06)
Writing a 1 to any of the following bits sets the output of the respective channel to 50% duty cycle. Default is
0x00.
Table 14. Soft Mute Register (0x06)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
–
1
Soft mute channel 1
–
1
–
Soft mute channel 2
–
1
–
Soft mute channel 3
–
1
–
Soft mute channel 4
–
1
–
Soft mute subwoofer channel (channel 6)
0
Unmute all channels (1)
(1)
Default values are in bold.
52
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TAS5705
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