Operating Modes - Motorola G24 Developer's Manual

Operating Modes

G24 incorporates several operating modes. Each operating mode is different in the active features
and interfaces.
Table 2-1
general guidelines for operation.
Mode
Not Powered
RTC Mode
Idle Mode
Sleep Mode
CSD call or
GPRS data
January 1, 2006
summarizes the general characteristics of the G24 operating modes and provides
Table 2-1: G24 Operating Modes
Description
VCC supply is disconnected.
Valid VCC supply.
RESET_N signal is enabled (low).
RESET_N signal is disabled (high).
CTS_N and DSR_N signals are enabled
(low).
RESET_N signal is high.
CTS_N signal is disabled.
RESET_N signal is high.
TXEN_N signal is toggling.
Module Hardware Description
Chapter 2: Hardware Interface Description
Features
The G24 is Off.
Any signals connected to the interface con-
nector must be set low or tri-state.
The G24 interface is Off.
The PMIC is operating in RTC mode.
Any signals connected to the interface con-
nector must be set low or tri-state.
The G24 is fully active, registered to the
GSM network and ready to communicate.
This is the default power-up mode.
The G24 is in low power mode.
The application interfaces are disabled, but,
G24 continues to monitor the GSM network.
A GSM voice or data call is in progress.When
the call terminates, G24 returns to the last
operating state (Idle or Sleep).
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