參數(shù)資料
型號(hào)： DSRT-L030-011
廠商： CONEXANT SYSTEMS
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, XMA
文件頁(yè)數(shù)： 9/86頁(yè)
文件大小： 667K
代理商： DSRT-L030-011
RipTide PCI Audio/Comm Device Family Product Description
1167
ROCKWELL PROPRIETARY INFORMATION
17
4.2.2
Modem DSP Interface
Signal
Type
Level
I
OL/IOH
Reset
State
Std.
Load
Description
Controller to Modem DSP Control Interface (Leave all pins open if the DSP is not installed.)
DWR#
Ot2
TTL
2mA
H
20pF
Modem DSP Write. Active low write control output used to write
data to the DSP interface registers. Connect to DSP: DWR#.
DRD#
Ot2
TTL
2mA
H
20pF
Modem DSP Read. Active low read control output used to read
data from the DSP interface registers. Connect to DSP: DRD#.
DD[7:0]
Itpu/Ot4
TTL
4mA
Z
20pF
Modem DSP Data Lines. Bidirectional data lines used to transfer
data to and from DSP interface Registers. Connect to DSP:
DD[7:0].
DA[4:0]
Ot2
TTL
2mA
L
20pF
Modem DSP Address Lines. Address output lines used to select
DSP interface register. Connect to DSP: DA[4:0].
MRESET#
Ot2
TTL
2mA
L
20pF
Modem DSP Reset. Active low output used to reset the DSP.
Connect to the DSP: RESETP.
M_CS#
Ot2
TTL
2mA
H
20pF
Modem DSP Chip Select. Active low output used to select the
DSP. Connect to the DSP: MCS.
M_IRQ
Itpu
TTL
Modem DSP Interrupt Request. Active low input used to request
DSP interrupt servicing. Connect to the DSP: M_INT.
Controller to Modem DSP Serial Interface (Leave all pins open if the DSP is not installed.)
Modem Codec = Access to Telephone Line
Voice Codec = Access to Telephone Line, Handset, or Microphone
MRXCLK
Itpd
TTL
Modem Serial Receive Clock. Modem serial receive clock from
the DSP. Connect to DSP: RDCLK.
MRXD
Itpd
TTL
Modem Serial Receive Data. Modem serial receive data from the
DSP. Connect to DSP: M_RXD.
MTXCLK
Itpd
TTL
Modem Serial Transmit Clock. Modem serial transmit clock from
the DSP. Connect to DSP: TDCLK.
MTXD
Ot2
TTL
2mA
L
20pF
Modem Serial Transmit Data. Modem serial transmit data to the
DSP. Connect to DSP: TXD.
SR8CLK
Ot2
TTL
2mA
Z
20pF
Voice Serial Bit Clock. Voice serial bit clock to DSP.
Connect to DSP: SR4CLK.
SR8FRM
Ot2
TTL
2mA
Z
20pF
Voice Serial Frame Clock. Voice serial frame clock to DSP.
Connect to DSP: SA4CLK.
SR8DD
Itpd
TTL
Voice Serial Data Downstream. Voice serial record data from
DSP. Connect to DSP: SR8OUT
SR8DU
Ot2
TTL
2mA
H
20pF
Voice Serial Data Upstream. Voice serial playback data to DSP.
Connect to DSP: SR8IN.
AMC’97 Codec (via the Controller) to Modem DSP Serial Interface (Leave all pins open if the DSP is not installed.)
SR1234CLK
Ot2
TTL
2mA
L
20pF
Codec Bit Clock. A free running 2.048 MHz serial bit clock to the
DSP. Connect to DSP: IA1CLK and SR2CLK.
SR1234FRM
Ot2
TTL
2mA
L
20pF
Codec Frame Clock. An 8 kHz serial frame clock to the DSP.
Connect to DSP: SA1CLK and SA2CLK.
SR2IN
Itpd
TTL
Modem Codec Mode Control. Modem codec Mode control from
the DSP. Connect to DSP: SR1IO.
SR4OUT
Ot2
TTL
2mA
L
20pF
Modem Serial Data Out. Modem data from the modem codec to
the DSP. Connect to DSP: SR4IN.
SR4IN
Itpd
TTL
Modem Serial Data In. Modem data from the DSP to the modem
codec. Connect to DSP: SR4OUT.
SR1IN
Itpd
TTL
Voice Codec Mode Control. Voice codec mode control from the
DSP. Connect to DSP: SR2IO.
SR3OUT
Ot2
TTL
2mA
L
20pF
Voice Serial Data Out. Voice serial record data from the voice
codec to the DSP. Connect to DSP: SR3IN.
SR3IN
Itpd
TTL
Voice Serial Data In. Voice serial playback data from the DSP to
the voice codec. Connect to DSP: SR3OUT.
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