參數(shù)資料
型號: TAS5518CPAG
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 80/103頁
文件大小: 2007K
代理商: TAS5518CPAG
7.12 Modulation Index Limit Register (0x16)
7.13 Bank-Switching Command Register (0x40)
TAS5518C
8-Channel Digital Audio PWM Processor
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
www.ti.com
Bits D7–D3 are don't care. Note that some power stages require a lower modulation limit than the default
of 97.7%. Contact Texas Instruments for more details about the requirements for a particular power stage.
Table 7-12. Modulation Index Limit Register Format
LIMIT
MIN WIDTH
MODULATION
D7
D6
D5
D4
D3
D2
D1
D0
[DCLKs]
INDEX
0
1
2
99.2%
0
1
2
4
98.4%
0
1
0
3
6
97.7%
0
1
4
8
96.9%
1
0
5
10
96.1%
1
0
1
6
12
95.3%
1
0
7
14
94.5%
1
8
16
93.8%
Bits D31–D24, D22–D19 are don't care.
Table 7-13. Bank-Switching Command Register Format
D31
D30
D29
D28
D27
D26
D25
D24
FUNCTION
Unused bits
D23
D22
D21
D20
D19
D18
D17
D16
FUNCTION
0
Manual selection bank 1
0
1
Manual selection bank 2
0
1
0
Manual selection bank 3
0
1
Automatic bank selection
1
0
Update the values in bank 1
1
0
1
Update the values in bank 2
1
0
Update the values in bank 3
1
Update only the bank map
0
Update the bank map using values in D15–D0
1
Do not update the bank map using values in D15–D0
D15
D14
D13
D12
D11
D10
D9
D8
FUNCTION
1
32-kHz data rate—use bank 1
1
38-kHz data rate—use bank 1
1
44.1-kHz data rate—use bank 1
1
48-kHz data rate—use bank 1
1
88.2-kHz data rate—use bank 1
1
96-kHz data rate—use bank 1
1
176.4-kHz data rate—use bank 1
1
192-kHz data rate—use bank 1
1
Default
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
32-kHz data rate—use bank 2
1
38-kHz data rate—use bank 2
1
44.1-kHz data rate—use bank 2
1
48-kHz data rate—use bank 2
Serial-Control Interface Register Definitions
78
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