參數(shù)資料
型號(hào)： DSRT-L030-011
廠商： CONEXANT SYSTEMS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, XMA
文件頁(yè)數(shù)： 39/86頁(yè)
文件大?。?/td> 667K
代理商： DSRT-L030-011
RipTide PCI Audio/Comm Device Family Product Description
44
ROCKWELL PROPRIETARY INFORMATION
1167
6.2.3
Controller Serial Bus Interface
Signal
Pin No.
I/O
Type
Interface
Controller to Modem DSP Serial Interface
RDCLK
50
O
Modem Serial Receive Clock. The frequency is the data rate (
± 0.01%) with a
duty cycle of 50
± 1%. The data rate is the rate of data transfer of the modem
connection, e.g., a 56 Kbps connection would result in a RDCLK frequency of 56
kHz. The RDCLK low-to-high transitions coincide with the center of the received
data bits. Internal pull-up. Connect to Controller: MRXCLK input.
M_RXD
3
O
Modem Serial Receive Data. Received serial data to Controller.
Connect to Controller: MRXD input.
TDCLK
54
O
Modem Serial Transmit Clock.. The frequency is the data rate (
± 0.01%) with
a duty cycle of 50
± 1%. The data rate is the rate of data transfer of the modem
connection, e.g., a 56 Kbps connection would result in a TDCLK frequency of 56
kHz. Internal pull-up.
Connect to Controller: MTXCLK input.
TXD
55
I
Modem Serial Transmit Clock. Transmit serial data from the Controller.
Connect to Controller: MTXD output.
SR4CLK
70
I
Voice Serial Bit Clock. Pad with repeater (keeper).
Connect to Controller: SR8CLK.
SA4CLK
69
I
Voice Serial Frame Clock. Pad with repeater (keeper).
Connect to Controller: SR8FRM.
SR8OUT
72
O
Voice Data Downstream. Connect to Controller: SR8DD.
SR8IN
71
I
Voice Data Upstream. Pad with repeater (keeper).
Connect to Controller: SR8DU.
Codec (via the Controller) to Modem DSP Serial Interface
IA1CLK
67
I
Codec Bit Clock. Connect to Controller SR1234CLK. Internal pull-up.
SA1CLK
66
I
Codec Frame Clock. Connect to Controller SR1234FRM. Internal pull-up.
SR1IO
78
O
Modem Codec Mode Control. Connect to Controller SR2IN.
SR4IN
79
I
Modem Serial Data Out. Connect to Controller SR4OUT. Internal keeper.
SR4OUT
63
O
Modem Serial Data In. Connect to Controller SR4IN.
SR2CLK
52
I
Codec Bit Clock. Connect to Controller SR1234CLK. Internal pull-up.
SA2CLK
75
I
Codec Frame Clock. Connect to Controller SR1234FRM. Internal pull-up.
SR2IO
76
O
Voice Codec Mode Control. Connect to Controller SR1IN.
SR3IN
65
I
Voice Serial Data Out. Connect to Controller SR3OUT.
SR3OUT
64
O
Voice Serial Data In. Connect to Controller SR3INT.
6.2.4
Miscellaneous
Signal
Pin No.
I/O
Type
Interface
MK4
21
I
MK4 PLL Circuit Disable/Enable Option. Connect to digital ground to operate
at 28.224 MHz clock input. When low, internal PLL in use.
MK5
61
Ipu
MK5 PLL Circuit Disable/Enable Option. Internal pull-up. Leave floating.
RESERVED or
other pins not
used
2, 5, 6, 7, 9, 10, 11,
13, 14, 15, 16, 17,
22, 23, 24, 34, 42,
53, 56, 58, 59, 60,
73, 74, 77, 80
Reserved Pins or Pins Not used. No external connection.
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