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GR/GS64 UART Sleep Protocols
Wavecom GR/GS64 UART Sleep Protocols Manuals
Manuals and User Guides for Wavecom GR/GS64 UART Sleep Protocols. We have
1
Wavecom GR/GS64 UART Sleep Protocols manual available for free PDF download: Application Note
Wavecom GR/GS64 UART Sleep Protocols Application Note (26 pages)
Brand:
Wavecom
| Category:
Software
| Size: 1 MB
Table of Contents
Revision History
3
Table of Contents
4
1 Introduction
6
2 Standby Handshaking
7
Uart 1 Signal Description
7
Description
7
Uart Signals Required for Implementing Sleep Control
8
Figure 1. Typical Host - Wireless CPU® UART1 Interface
8
DFM1 (Data from Module (Wireless CPU )
9
DTM1 (Data to Module (Wireless CPU®))
9
RTS1 (Request to Send)
9
CTS1 (Clear to Send)
10
DSR1 (Data Set Ready)
10
DTR1 (Data Terminal Ready)
10
RI (Ring Indicator)
11
Uart Logic
11
Sleep Mode
11
Timing Diagrams
12
Host Initiated Sleep
13
Figure 2. Sequence of Events from Initial Power-Up to First Sleep Activation
13
Host Initiated Wake-Up
14
Figure 3. Host Initiating Wake-Up to Uarts in Sleep Mode
14
Wireless Cpu® Initiated Sleep
15
Figure 4. Wireless CPU® Initiates Sleep, Host Initiates Time-Out Period a
15
Wireless Cpu® Initiated Wake-Up
16
Figure 5. Uarts in Sleep Mode, Wireless CPU® Initiates Wake-Up
16
Wireless Cpu® Repeats Attempts to Initiate Sleep
17
Figure 6. Wireless CPU® Attempts Sleep Initiation, Host Fails to Acknowledge
17
Dsr1 Timing
18
Sleep Mode Enabling and Disabling
18
Figure 7. DSR Functioning Time Periods
18
Incoming Mt Event During Sleep
19
Figure 8. Asserting Ring Indicator from Sleep Mode
19
3 Autonomous Standby
20
Purpose
20
Enabling and Disabling Autonomous Standby
20
Events that Wake the Wireless Cpu
20
Waking the Wireless Cpu® Using an at Command
21
The Inactivity Delay
22
4 Autonomous Standby and Embedded Applications
23
5 Examining Sleep Mode
24
Purpose
24
Current Consumption
24
Key Considerations
25
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