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TLFD500 Datasheet(PDF) 23 Page - Texas Instruments

Part # TLFD500
Description  3.3 V INTEGRATED G.LITE ANALOG FRONT END
PDF  38 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TLFD500 Datasheet(HTML) 23 Page - Texas Instruments

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TLFD500PN
3.3 V INTEGRATED G.LITE ANALOG FRONT END
SLAS207B – JUNE 1999 – REVISED MAY 2000
23
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
AUXR – auxiliary amplifier enable register
Address: 01011b
Contents at reset: 00000000b
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
Reserved
Reserved
Reserved
AMP4EN
AMP3EN
AMP1EN
AMP2EN
Table 10. Auxiliary Amplifier-Control
D7
D6
D5
D4
D3
D2
D1
D0
REG VALUE
BIT NAME
DESCRIPTION
R
–
–
–
–
–
–
–
–
Reserved
Bit reserved for future use
–
R
–
–
–
–
–
–
–
Reserved
Bit reserved for future use
–
–
R
–
–
–
–
–
–
Reserved
Bit reserved for future use
–
–
–
R
–
–
–
–
–
Reserved
Bit reserved for future use
–
–
–
–
0
–
–
–
–
AMP4EN
Disable amplifier 4
–
–
–
–
1
–
–
–
0x08
AMP4EN
Enable amplifier 4
–
–
–
–
–
0
–
–
–
AMP3EN
Disable amplifier 3
–
–
–
–
–
1
–
–
0x04
AMP3EN
Enable amplifier 3
–
–
–
–
–
–
0
–
–
AMP1EN
Disable amplifier 1
–
–
–
–
–
–
1
–
0x02
AMP1EN
Enable amplifier 1
–
–
–
–
–
–
–
0
–
AMP2EN
Disable amplifier 2
–
–
–
–
–
–
–
1
0x01
AMP2EN
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
Contents at reset: 01000000b (64 decimal)
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
NCDEF[6]
NCDEF[5]
NCDEF[4]
NCDEF[3]
NCDEF[2]
NCDEF[1]
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
NCDEF[7:0]
Decimal 48, INVALID
–
…
…
…
…
…
…
…
0
×31 – 0×5C
NCDEF[7:0]
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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