cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 32
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cx20493-35/app
Manufacturer Part Number
cx20493-35/app
Description
With Cx20493 Smartdaa?
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX20493-35APP.pdf
(92 pages)
- Current page: 32 of 92
- Download datasheet (684Kb)
2.16
2-12
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
Low Power Sleep Mode
Figure 2-1. TMIND# Test Results Pulse Cycles
Sleep Mode Entry. The modem enters the low power sleep mode when no line
connection exists and no host activity occurs for the period of time specified in the S24
register. All modem circuits are turned off except the internal clock circuitry in order to
consume reduced power while being able to immediately wake up and resume normal
operation.
Wake-up. Wake-up occurs when a ring is detected on the telephone line, the host writes
to the modem (parallel interface), or the DTE sends a character to the modem (serial
interface).
Modem Device Fails
0
0
Internal RAM Fails
Pulse Cycle
.5
.5
1
1
Pulse Cycle
1.5
1.5
1.5 Sec
2
2
Conexant
2.5
2.5
3
3
3.5
3.5
1.5 Sec
4
4
4.5
4.5
5
5
5.5
5.5
6
6.5
7
102247B
102179_004
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