Nokia 9210i Servicehandbuch
PAMS
Technical Documentation
RAE-5
3. RF+System Module KL8
Page 3 – 27
Issue 1 04/02
Power up
When main battery is connected to device, powering on circuitry keeps CCONT
PWRONX/WDDISX pin connected to ground through10k
PWRONX/WDDISX pin connected to ground through10k
W
resistor as long as
CCONT releases the PURX reset signal. This activates the CCONT immediate-
ly when battery is connected.
ly when battery is connected.
When the CCONT is activated, it switches on internal baseband and core regu-
lators and generates a power up reset signal PURX for MADLinda. External
Vcore and VBB regulators are powered up, Vcore slightly before VBB.
lators and generates a power up reset signal PURX for MADLinda. External
Vcore and VBB regulators are powered up, Vcore slightly before VBB.
After 62ms CCONT releases the PURX reset signal. When the PURX is re-
leased, MADLinda releases the system reset (ExtSysResetX), the Flash reset
(FLRPX) and internal reset signals and starts the boot program execution. Note
that from battery plug in to PURX release it takes about 100ms since there is
no power in CCONT.
leased, MADLinda releases the system reset (ExtSysResetX), the Flash reset
(FLRPX) and internal reset signals and starts the boot program execution. Note
that from battery plug in to PURX release it takes about 100ms since there is
no power in CCONT.
The GenSDIO pin is connected low with pull–down resistor so that booting
starts from MADLinda’s internal boot ROM. If booting is successful (and the
programming device is not connected) the program execution continues from
external program memory.
starts from MADLinda’s internal boot ROM. If booting is successful (and the
programming device is not connected) the program execution continues from
external program memory.
The CMT power switch (on the cover) is read as a normal keyboard input. It is
not connected to CCONT. CMT Power switch only turns the phone functionality
on or off (SW implementation).
not connected to CCONT. CMT Power switch only turns the phone functionality
on or off (SW implementation).
Power Off
RAE-5 electronics is powered off only if the main battery voltage drops below
the power off SW limit. This happens when the main battery discharges or is
removed. When battery voltage drops below SW limit, CCONT is powered
down by letting CCONT’s watch dog to go off.
the power off SW limit. This happens when the main battery discharges or is
removed. When battery voltage drops below SW limit, CCONT is powered
down by letting CCONT’s watch dog to go off.
Early warning of battery removal is generated by the battery removal switch.
Switch connects MADLinda’s MPUGenIO6 to ground when user presses the
locking latch of the battery.
Switch connects MADLinda’s MPUGenIO6 to ground when user presses the
locking latch of the battery.
Only phone functionality is ”powered off” when the CMT power switch is
pressed. If the main battery is removed when the CMT is on, the SIMIF in
MADLinda powers down the SIM.
pressed. If the main battery is removed when the CMT is on, the SIMIF in
MADLinda powers down the SIM.
Charging
Charging of main battery can be started in any operating mode. The battery
type and capacity are identified by MADLinda by measuring a pull–down resis-
tor connected to BSI contact inside the battery pack. Charging software running
in MADLinda’s MPU measures the battery voltage, size, current and tempera-
ture.
type and capacity are identified by MADLinda by measuring a pull–down resis-
tor connected to BSI contact inside the battery pack. Charging software running
in MADLinda’s MPU measures the battery voltage, size, current and tempera-
ture.
In Standard charger concept (2–wire charger) the power management circuitry
controls the charging current delivered from the charger to the main battery.
The charging–current switch inside CHAPS is controlled with 1Hz PWM signal,
generated by CCONT. Note that Standard charger is not sold with RAE-5, but it
is accepted.
controls the charging current delivered from the charger to the main battery.
The charging–current switch inside CHAPS is controlled with 1Hz PWM signal,
generated by CCONT. Note that Standard charger is not sold with RAE-5, but it
is accepted.
In performance charging concept (3–wire charger) a 32Hz PWM signal is fed to
the charger (CHRG_CTRL in system connector). This high rate keeps the
charging–current switch in CHAPS continuously connected.
the charger (CHRG_CTRL in system connector). This high rate keeps the
charging–current switch in CHAPS continuously connected.