参数资料
型号: TAS5508PAGR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 103/105页
文件大小: 1286K
代理商: TAS5508PAGR
7.34 Treble Filter Index (0xDD)
7.35 AM Mode Register (0xDE)
TAS5508
8-Channel Digital Audio PWM Processor
www.ti.com
SLES091D – FEBRUARY 2004 – REVISED JULY 2009
Index values above 0x24 are invalid.
Table 7-47. Treble Filter Index Register Format
I2C
REGISTER
TOTAL BYTES
DESCRIPTION OF CONTENTS
DEFAULT STATE
SUBADDRESS
NAME
0xDD
4
Treble filter index (TFI)
Ch8_TFI[31:24], Ch65_TFI[23:16],
0x12, 0x12, 0x12, 0x12
Ch43_TFI[15:8], Ch721_TFI[7:0]
Table 7-48. Treble Filter Indexes
TREBLE INDEX VALUE
ADJUSTMENT (dB)
TREBLE INDEX VALUE
ADJUSTMENT (dB)
0x00
18
0x13
–1
0x01
17
0x14
–2
0x02
16
0x15
–3
0x03
15
0x16
–4
0x04
14
0x17
–5
0x05
13
0x18
–6
0x\06
12
0x19
–7
0x07
11
0x1A
–8
0x08
10
0x1B
–9
0x09
9
0x1C
–10
0x0A
8
0x1D
–11
0x0B
7
0x1E
–12
0x0C
6
0x1F
–13
0x0D
5
0x20
–14
0x0E
4
0x21
–15
0x0F
3
0x22
–16
0x10
2
0x23
–17
0x11
1
0x24
–18
0x12
0
Bits D31–D21 are Don't Care.
Table 7-49. AM Mode Register Format
D31
D30
D29
D28
D27
D26
D25
D24
FUNCTION
Unused bits
D23
D22
D21
D20
D19
D18
D17
D16
FUNCTION
0
AM mode disabled
1
AM mode enabled
0
Select sequence 1
0
1
Select sequence 2
1
0
Select sequence 3
1
Select sequence 4
0
IF frequency = 455 kHz
1
IF frequency = 262.5 kHz
0
Use BCD-tuned frequency
1
Use binary-tuned frequency
Serial-Control Interface Register Definitions
97
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