MM908E622ACDWBR2 FREESCALE [Freescale Semiconductor, Inc], MM908E622ACDWBR2 Datasheet - Page 25

• Manufacturer Part Number: MM908E622ACDWBR2
• Description: Integrated Quad Half-bridge, Triple High Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

908E622 ANALOG DIE MODES OF OPERATION
Stop, and Sleep. In Normal mode, the device is active and is
operating under normal application conditions. The Stop and
Sleep modes are low power modes with wake-up capabilities.
Normal Mode
functions and power stages are active and can be enabled/
disabled. The voltage regulator provides the +5V V
MCU.
the MCU sets the PSON bit in the System Control Register
within 80ms typical (t
has started up and is operating correctly. If the PSON bit is
not set within the required time frame, the device enters
SLEEP mode to reduce power consumption (fail safe).
programming by applying V
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 908E622 offers three operating modes: Normal (Run),
This Mode is normal operating mode of the device. All
After a reset (e.g. Power On Reset, Wake-Up from Sleep),
This MCU monitoring can be disabled, e.g. for
Power
Down
NORMREQ
Power Up
DD
). This is to ensure the MCU
on the TESTMODE pin.
FUNCTIONAL DEVICE OPERATION
Figure 11. Operating Modes and Transitions
RESET
Reset (LVR, ext. Reset)
Wake-up (Reset)
OPERATIONAL MODES
DD
to the
Reset (LVR, ext. Reset, (HTR))
V
Reset (LVR, HTR, WDR, ext. Reset)
DD
High and Reset Delay (t
The different modes can be selected by the STOP and
SLEEP bits in the System Control Register.
different operating modes, and
overview of the operating modes.
Stop Mode
with V
the STOP bit in the System Control Register has to be set
and the MCU has to be stopped (see the 908EY16 datasheet
for details).
the wake-up input L0, and is maskable with the LINIE and/or
L0IE bits in the Interrupt Mask Register. The analog die is
generating an interrupt on
The wake-up / interrupt source can be evaluated with the
L0IF and LINIF bits in the Interrupt Flag Register.
mode, but allows a quicker wake-up. Additionally, the wake-
Figure 11
In Stop mode, the voltage regulator still supplies the MCU
Wake-up from this mode is possible by LIN bus activity or
Stop mode has a higher current consumption than Sleep
SLEEP
V
PSON = 0 and Normal Request
DD
DD
Low
timeout (t
(limited current capability). To enter the Stop mode,
describes how transitions are done between the
RST
NORMREQ
) expired
SLEEP Command
) expired
FUNCTIONAL DEVICE OPERATION
IRQ_A
NORMAL
Request
Table
Normal
pin to wake-up the MCU.
STOP
OPERATIONAL MODES
6, page
27
gives an
908E622
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