TLFD500 Datasheet, PDF (23/38 Pages) Texas Instruments – 3.3 V INTEGRATED G.LITE ANALOG FRONT END

TLFD500PN
3.3 V INTEGRATED G.LITE ANALOG FRONT END
AUXR – auxiliary amplifier enable register
SLAS207B – JUNE 1999 – REVISED MAY 2000
Address: 01011b
D7
Reserved
D6
Reserved
Contents at reset: 00000000b
D5
D4
D3
Reserved Reserved AMP4EN
D2
AMP3EN
D1
AMP1EN
D0
AMP2EN
Table 10. Auxiliary Amplifier-Control
D7 D6 D5 D4 D3 D2 D1 D0 REG VALUE BIT NAME
R
–
–
–
–
–
–
–
–
Reserved
–
R
–
–
–
–
–
–
–
Reserved
–
–
R
–
–
–
–
–
–
Reserved
–
–
–
R
–
–
–
–
–
Reserved
–
–
–
–
0
–
–
–
–
–
–
–
1
–
–
–
–
0x08
AMP4EN
–
–
–
–
–
0
–
–
–
–
–
–
–
1
–
–
–
0x04
AMP3EN
–
–
–
–
–
–
0
–
–
–
–
–
–
–
1
–
–
0x02
AMP1EN
–
–
–
–
–
–
–
0
–
–
–
–
–
–
–
1
–
0x01
AMP2EN
DESCRIPTION
Bit reserved for future use
Bit reserved for future use
Bit reserved for future use
Bit reserved for future use
Disable amplifier 4
Enable amplifier 4
Disable amplifier 3
Enable amplifier 3
Disable amplifier 1
Enable amplifier 1
Disable amplifier 2
Enable amplifier 2
CAUTION:
Performance of the codec for invalid combination of bits is not guaranteed and such
combinations should not be used. The default condition is with the amplifiers switched off.
NCO_DEF – numerically controlled oscillator default value register
Address: 01100b
D7
Reserved
D6
NCDEF[6]
Contents at reset: 01000000b (64 decimal)
D5
D4
D3
D2
NCDEF[5] NCDEF[4] NCDEF[3] NCDEF[2]
D1
NCDEF[1]
D0
NCDEF[0]
Table 11. NCO Default Value Table
D7 D6 D5 D4 D3 D2 D1 D0 HEX VALUE
BIT NAME
DESCRIPTION
R
–
–
–
–
–
–
–
–
Reserved Bit reserved for future use
–
0
0
0
0
0
0
0
0×00
Decimal 0, INVALID
–
…
…
…
…
…
…
…
0×01 – 0×2E
Decimal 1 to 46, INVALID
–
0
1
0
1
1
1
1
0×2F
Decimal 47, INVALID
–
0
1
1
0
0
0
0
0×30
Decimal 48, INVALID
NCDEF[7:0]
–
…
…
…
…
…
…
…
0×31 – 0×5C
Decimal 49 to 92, VALID
–
1
0
1
1
1
0
1
0×5D
Decimal 93, INVALID
–
1
0
1
1
1
1
0
0×5E
Decimal 94, INVALID
–
…
…
…
…
…
…
…
0×5F – 0×FF
Decimal 95 onwards, INVALID
CAUTION:
The sum NCDEF[7:0] + NCDEL[3:0] should always be between 48 and 93. Out-of-bound
values should not be used.
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