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参数资料
| 型号： | DSRT-L030-011 |
| 厂商： | CONEXANT SYSTEMS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, XMA |
| 文件页数： | 22/86页 |
| 文件大小： | 667K |
| 代理商： | DSRT-L030-011 |
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RipTide PCI Audio/Comm Device Family Product Description
1167
ROCKWELL PROPRIETARY INFORMATION
29
5.3
AMC Pin Signal Descriptions
5.3.1
System
Signal Name
Pin
(80-PQFP)
Pin
(64-TQFP)
I/O Type
Description
RESET#
20
15
It
AC ‘97 Master H/W Reset
XTLIN
11
6
Ix
Input from 24.576 MHz Crystal Circuit
XTLOUT
12
7
Ox
Output to 24.576 MHz Crystal Circuit
TESTOUT
60
NA
O
NC
5.3.2
Digital Control, Crystal, Serial I/O
Signal Name
Pin
(80-PQFP)
Pin
(64-TQFP)
I/O Type
Description
BIT_CLK
15
10
O
Bit Clock. 12.288 MHz AC-link bit clock. Connect to Controller
BIT_CLK input.
SYNC
19
14
I
Frame Sync. 48 kHz fixed rate sample AC-link sync. Connect to
Controller SYNC output.
SDATA_IN
17
12
O
Serial Data Input. Serial, time division multiplexed, AC-link input
data stream. Connect to Controller SDATA_IN input.
SDATA_OUT
14
9
I
Serial Data Output. Serial, time division multiplexed, AC-link
output stream. Connect to Controller SDATA_OUT output.
RESET#
20
15
It
Reset. Active low reset input. Connect to Controller RESET#
input.
5.3.3
Modem Telephone Line and Telephone Handset Digital Signals
Signal Name
Pin
(80-PQFP)
Pin
(64-TQFP)
I/O Type
Application Description
GPIO0/OH#
7
2
Ot4
Off-Hook Relay Control. Active low output used to control the
normally open off-hook relay.
GPIO1/IRING#
8
3
It
Ring Indicate. A low-going edge used to initiate presence of a ring
frequency. Typically connected to the output of an optoisolator or
equivalent. The idle state (no ringing) output of the ring detect
circuit should be high.
GPIO2/CID#
9
4
Ot4
Caller ID Relay Control. Active low output used to control the
optional normally open Caller ID relay.
GPIO3/LCS_L#/RH_L#
72
60
It
Line Current Sense/ Remote Hang-up. Active low input used to
indicate hang-up of the remote modem or telephone, i.e., the
remote modem/telephone has released the line (gone on-hook).
GPIO4/EXT_L#
73
61
It
Extension Off-Hook. Active low input used to indicate the
telephone line is in use.
GPIO5/VOICE#
74
62
Ot4
Voice Relay Control. Active low output used to control the Voice
relay. When inactive (default), the handset is connected to the line.
When active, the handset is disconnected from the line and
connected to a DC supply on the application board and the
handset is connected to the Codec for voice record and playback.
GPIO6/LCS_H#
75
63
It
Line Current Sense Handset. Active low input used to indicate
local modem handset off-hook status and to detect remote hang-
up.
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