User's Manual
Table Of Contents
- Contents
- Figures
- Tables
- Document History
- Introduction
- Product concept
- Application Interface
- Antenna interface
- Electrical, reliability and radio characteristics
- Mechanics
- Reference Approval
- List of parts and accessories
MC46 Hardware Interface Description
DRAFT
MC46_HD_V02.8xb Page 46 of 98 21.08.2003
3.7 Summary of state transitions (except SLEEP mode)
Table 12: State transitions of MC46 (except SLEEP mode)
The table shows how to proceed from one mode to another (gray column = present mode, white columns = intended modes)
Further mode
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Present mode
POWER DOWN Normal mode
**)
Charge-only mode
*)
Charging in normal
mode
*)**)
Alarm mode
POWER DOWN
mode without charger
--- /IGT >100 ms at low
level
Connect charger to
input of ext. charging
circuit and POWER pin
(high level at POWER)
No direct transition, but
via “Charge-only mode” or
“Normal mode”
Wake-up from POWER
DOWN mode (if
activated with AT+CALA)
POWER DOWN
mode with charger
(high level at POWER
pins of MC46)
--- /IGT >1 s at low level,
if battery is fully
charged
100ms < /IGT < 500ms
at low level
/IGT >1 s at low level Wake-up from POWER
DOWN mode (if
activated with AT+CALA)
Normal mode
**)
AT^SMSO
or
exceptionally /EMERGOFF
pin > 3.2s at low level
--- No automatic transition,
but via “POWER
DOWN”
Connect charger to
POWER pin at MC46
(high level at POWER)
AT+CALA followed by
AT^SMSO. MC46 enters
Alarm mode when
specified time is reached.
Charge-only mode
*)
Disconnect charger (MC46
POWER pin at low level)
or
AT^SMSO or
exceptionally /EMERGOFF
pin >
3.2s at low level
No automatic
transition, but via
“Charge in Normal
mode”
--- /IGT >1s at low level AT+CALA followed by
AT^SMSO. MC46 enters
Alarm mode when
specified time is reached
and V
BATT+
>3.2V
Charging in normal
mode
*)
**)
AT^SMSO è “Charge-only
mode”, again AT^SMSO;
or
exceptionally
/EMERGOFF pin >
3.2s at
low level
Disconnect charger
from input of ext.
charging circuit and
module’s POWER pin
AT^SMSO --- No direct transition
Alarm mode AT^SMSO or
exceptionally /EMERGOFF
pin >
3.2s at low level
/IGT >100ms at low
level
No transition /IGT >100ms at low level ---
*)
See Chapter 3.5.3 for details on the charging mode
**)
Normal mode covers TALK, DATA, GPRS, IDLE and SLEEP modes