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TAS5548DCAR Datasheet(PDF) 67 Page - Texas Instruments

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Part # TAS5548DCAR
Description  8-Channel HD Compatible Audio Processor
PDF  116 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TAS5548DCAR Datasheet(HTML) 67 Page - Texas Instruments

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TAS5548
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SLES270A – NOVEMBER 2012 – REVISED APRIL 2015
7.6.2.14 Special Low Z and Mid Z Ramp/Stop Period (0x24)
This is also the delay period for delayed start/stop with legacy LowZ sequences. If register 0x25 is programmed
for special LowZ sequence, the time above is the PWM ramp up period. If it is programmed for MidZ, the time
above is the PWM stop period.
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
–
–
–
0
0
–
–
–
No Ramp/Stop period
–
–
–
0
1
0
0
0
14.9 ms Ramp/Stop period
–
–
–
0
1
0
0
1
22.35 ms Ramp/Stop period
–
–
–
0
1
0
1
0
29.80 ms Ramp/Stop period
–
–
–
0
1
0
1
1
38.74 ms Ramp/Stop period
–
–
–
0
1
1
0
0
52.15 ms Ramp/Stop period
–
–
–
0
1
1
0
1
68.54 ms Ramp/Stop period
–
–
–
0
1
1
1
0
92.38 ms Ramp/Stop period
–
–
–
0
1
1
1
1
123.67 ms Ramp/Stop period
–
–
–
1
0
0
0
0
149 ms Ramp/Stop period
–
–
–
1
0
0
0
1
223.5 ms Ramp/Stop period
–
–
–
1
0
0
1
0
298 ms Ramp/Stop period
–
–
–
1
0
..
..
..
…
–
–
–
1
0
1
1
1
1236.7 ms Ramp/Stop period
–
–
–
1
1
0
0
0
1490 ms Ramp/Stop period
–
–
–
1
1
0
0
1
2235 ms Ramp/Stop period
–
–
–
1
1
0
1
0
2980 ms Ramp/Stop period
–
–
–
1
1
..
..
..
…
–
–
–
1
1
1
1
1
12367 ms Ramp/Stop period
7.6.2.15 PWM and EMO Control Register (0x25)
Table 30. PWM Config, Energy Manager Reporting Register
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
0
–
–
–
–
–
–
Use Legacy LowZ sequence for PWM start
1
0
–
–
–
–
–
–
Use special LowZ sequence for PWM start
1
1
–
–
–
–
–
–
Use MidZ sequence for external charge
0
–
–
–
–
–
Ternary modulation disable
1
–
–
–
–
–
Ternary modulation enable
0
–
–
–
–
Ternary High bias disable
1
–
–
–
–
Ternary High bias enable
0
–
–
–
Energy Manager LO threshold reporting disable
← default
1
–
–
–
Energy Manager LO threshold reporting enable
–
–
–
–
–
0
0
0
Reserved
← Default
7.6.2.16 Individual Channel Shutdown (0x27)
Table 31. Individual Channel Shutdown Register
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
–
–
–
–
–
–
–
Keep channel 8 in shutdown
0
–
–
–
–
–
–
–
Bring Channel 8 out of shutdown
–
1
–
–
–
–
–
–
Keep channel 7 in shutdown
–
0
–
–
–
–
–
–
Bring Channel 7 out of shutdown
–
–
1
–
–
–
–
–
Keep channel 6 in shutdown
Copyright © 2012–2015, Texas Instruments Incorporated
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