MM908E621_08 FREESCALE [Freescale Semiconductor, Inc], MM908E621_08 Datasheet - Page 27

• Manufacturer Part Number: MM908E621_08
• Description: Integrated Quad Half-bridge and Triple High Side with Embedded MCU and LIN for High End Mirror
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

up sources can be selected (maskable), which is not possible
in Sleep mode.
how the system is waking up.
Sleep Mode
MCU is not supplied (V
low.
Control Register has to be set.
the wake-up input L0, and is not maskable. The wake-up
Analog Integrated Circuit Device Data
Freescale Semiconductor
Figure 12
In Sleep mode, the voltage regulator is turned off and the
To enter the Sleep mode, the Sleep bit in the System
Wake-up from this mode is possible by LIN bus activity or
Figure 12. STOP Mode Wake-up Procedure
LIN/L0 wakeup
SPI: reason for
Enable/disable
MCU STOP
From Reset
show the procedure to enter the Stop mode and
STOP =1
initialize
interrupt
interrupt
operate
MCU
SPI:
IRQ
?
DD
= 0V), also the
high current mode
low current mode
RST_A
Switch to VREG
Switch to VREG
Power Die
Wake-up on
LIN or L0 ?
Assert IRQ
pin is pulled
behaves like a power on reset. The wake-up / reset source
can be evaluated by the L0WF and/or LINWF bits in the
Reset Status Register.
mode, but requires a longer time to wake-up. The wake-up
sources can not be selected (not maskable).
and how a wake-up is performed.
Sleep mode has a lower current consumption than Stop
Figure 13
Table 6
Figure 13. SLEEP Mode Wake-up Procedure
From Reset
SLEEP =1
initialize
operate
MCU
summarized the Operating modes.
SPI:
show the procedure to enter the Sleep mode
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
V
Switch off VREG
Store Wake-up
DD
V
Power Die
Wake-up on
Start VREG
LIN or L0 ?
DD
low, RST low
Event
high, RST
high
908E621
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