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参数资料
| 型号： | TAS5086DBTR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO38 |
| 封装： | GREEN, TSSOP-38 |
| 文件页数： | 24/47页 |
| 文件大小： | 814K |
| 代理商： | TAS5086DBTR |
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SYSTEM CONTROL REGISTER 2 (0x05)
SOFT MUTE REGISTER (0x06)
VOLUME REGISTERS (0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D)
SLES131C – FEBRUARY 2005 – REVISED JUNE 2008 ................................................................................................................................................... www.ti.com
Bit D6 is a control bit and bit D5 is a configuration bit.
When bit D6 is set low, the system starts playing; otherwise, the outputs are shut down.
Bit D5 defines the configuration of the system, i.e., it determines what configuration the system runs in when bit
D6 is set low. When this bit is asserted, the system is configured to surround, meaning all channels are
switching. Otherwise, only a subset of the PWMs runs, corresponding to a 2.0 or 2.1 configuration as determined
by the surround register (0x19).
Bit D5 should be changed only when bit D6 is set to 1, meaning that it is only possible to switch configuration
from surround to 2.0/2.1 by resetting the TAS5086 and then restarting it again in the new configuration.
Table 7. System Control Register 2 (0x05)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
–
1
X
–
All channels are shut down (hard mute).
–
1
–
All channels are shut down (hard mute). VALID1 = 0 and VALID2 = 0
–
0
1
–
When D6 is deasserted, all channels are started. VALID1 = 1 and VALID2 = 1
–
0
–
When D6 is deasserted, all channels not belonging to shutdown group 1 are started.
VALID1 = 0 and VALID2 = 1
Table 8. 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 channel 5
–
1
–
Soft mute channel 6
0
Unmute all channels
Master volume
– 0x07 (default is mute)
Channel 1 volume
– 0x08 (default is 0 dB)
Channel 2 volume
– 0x09 (default is 0 dB)
Channel 3 volume
– 0x0A (default is 0 dB)
Channel 4 volume
– 0x0B (default is 0 dB)
Channel 5 volume
– 0x0C (default is 0 dB)
Channel 6 volume
– 0x0D (default is 0 dB)
Table 9. Volume Register
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
24 dB
0
1
0
0 dB (default for individual channel volume)
1
0
–103 dB
1
MUTE (default for master volume)
30
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TAS5086
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