TAS5028A Datasheet, PDF (76/82 Pages) Texas Instruments – 8 Channel Digital Audio PWM Processor

Serial Control Interface Register Definitions
6.25 AM Mode Register (0xDE)
Bits D31–D21 are Don’t Care.
Table 6−39. AM Mode Register
D31 D30 D29 D28 D27 D26 D25 D24
Unused bits
D23 D22 D21 D20 D19 D18 D17 D16
0
−
−
−
− AM mode disabled
1
−
−
−
− AM mode enabled
−
0
0
−
− Select sequence 1
−
0
1
−
− Select sequence 2
−
1
0
−
− Select sequence 3
−
1
1
−
− Select sequence 4
−
−
−
0
− IF frequency 455
−
−
−
1
− IF frequency 262.5
−
−
−
−
0 Use BCD tuned frequency
−
−
−
−
1 Use binary tuned frequency
FUNCTION
FUNCTION
Table 6−40. AM Tuned Frequency Register in BCD Mode (Lower 2 Bytes of 0xDE)
D15 D14 D13 D12 D11 D10 D9 D8
FUNCTION
0
0
0 B0 −
−
−
− BCD frequency (1000s kHz)
−
−
−
− B3 B2 B1 B0 BCD frequency (100s kHz)
0
0
0
0
0
0
0
0 Default value
D7 D6 D5 D4 D3 D2 D1 D0
B3 B2 B1 B0 −
−
−
− BCD frequency (10s kHz)
−
−
−
− B3 B2 B1 B0 BCD frequency (1s kHz)
0
0
0
0
0
0
0
0 Default value
FUNCTION
Table 6−41. AM Tuned Frequency Register in Binary Mode (Lower 2 Bytes of 0xDE)
D15 D14 D13 D12 D11 D10 D9 D8
FUNCTION
0
0
0
0
0 B10 B9 B8 Binary frequency (upper 3 bits)
0
0
0
0
0
0
0
0 Default value
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
B7 B6 B5 B4 B3 B2 B1 B0 Binary frequency (lower 8 bits)
0
0
0
0
0
0
0
0 Default value
6.26 General Control Register (0xE0)
Bits D31–D4 are zero. Bit D0 is Don’t Care.
Table 6−42. General Control Register
D31 – D4 D3 D2 D1 D0
FUNCTION
0
−
0
/8 channel configuration
0
−
1
6 channel configuration
6.27 Incremental Multiple Write Append Register (0xFE)
This is a special register used to append data to a previously opened register.
SLES120 − September 2004
TAS5028A
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