UCB1510DB 데이터 시트보기 (PDF) - Philips Electronics
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UCB1510DB Datasheet PDF : 32 Pages
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Philips Semiconductors
UCB1510
AC97 digital modem codec
11.2.2 Extended Modem Status and Control
Table 8: Extended Modem Status and Control Register
Register address: 0x3E; default: 0xFFxx
Bit
D15
D14
D13
D12
D11
Symbol PRH
PRG
PRF
PRE
PRD
Bit
D7
D6
D5
D4
D3
Symbol HDAC HADC DAC2 ADC2 DAC1
D10
PRC
D2
ADC1
D9
PRB
D1
MREF
D8
PRA
D0
GPIO
Table 9: Description of Extended Modem status and Control bits
Bit
Symbol Function/Value
D15 PRH Reserved, should be 1
D14 PRG Reserved, should be 1
D13 PRF Reserved, should be 1
D12 PRE Reserved, should be 1
D11 PRD 1 -> Line1 DAC OFF
D10 PRC 1 -> Line1 ADC OFF
D9
PRB
1 -> Line1 VREF OFF
D8
PRA 1 -> GPIO OFF
D7
HDAC 0 (not supported)
D6
HADC 0 (not supported)
D5
DAC2 0 (not supported)
D4
ADC2 0 (not supported)
D3
DAC1 1 indicates Line1 DAC ready (means that the Line1 DAC and the VREF
are enabled and ready)
D2
ADC1 1 indicates Line1 ADC ready (means that the Line1 ADC and the VREF
are enabled and ready)
D1
MREF 1 indicates Line1 VREF up to nominal level.
D0
GPIO 1 indicates GPIO ready.
11.2.3 Line 1 Sample Rate
Table 10: Line 1 Sample Rate Register
Register address: 0x40; default: 0x1F40
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Symbol SR15 SR14 SR13 SR12 SR11 SR10 SR9
SR8
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Symbol SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
Refer to Table 3 “Sampling frequencies” for supported sample rates.
9397 750 06856
Preliminary specification
Rev. 01 — 4 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
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