MM908E624ACEW/R2 FREESCALE [Freescale Semiconductor, Inc], MM908E624ACEW/R2 Datasheet - Page 30

• Manufacturer Part Number: MM908E624ACEW/R2
• Description: Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Sleep Mode Sequence
Stop Mode Sequence
SPI Status Register (Read)
INTSCR — Register Content Flags or Interrupt Source
an interrupt / wake-up interrupt source.
LINWU / LINFAIL — LIN Status Flag Bit
the LIN transmitter is disabled. To reenable the LIN
transmitter, the error condition must be GONE and the
LINWU/LINFAIL flag must be cleared.
command).
HVF — High-Voltage Flag Bit
LVF / BATFAIL — Low-Voltage Flag Bit
30
908E624
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The Sleep command, as shown in
The Stop command, as shown in
Table 13
This bit indicates if the register contents reflect the flags or
• 1 = D6 : D0 reflects the interrupt or wake-up source.
• 0 = No interrupt occurred. Other SPI bits report real time
This bit indicates a LIN wake-up condition.
• 1 = LIN bus wake-up occurred or LIN over-current/over-
• 0 = No LIN bus wake-up occurred.
In case of a LIN over-current/over-temperature condition
The flag is cleared by reading the flag when it is set (SPI
This flag is set on an over-voltage (VSUP1) condition.
• 1 = High-voltage condition has occurred.
• 0 = no High-voltage condition.
This flag is set on an under-voltage (VSUP1) condition.
status.
temperature occurred.
shows the SPI Status register bits by name.
Table 13. Control Bits Function (Read Operation)
Table 12. Stop Command Bits
Table 11. Sleep Command Bits
INTSRC
LINSL2 LINSL1 LIN-PU HS3ON HS2ON HS1ON MODE2 MODE1
LINSL2 LINSL1 LIN-PU HS3ON HS2ON HS1ON MODE2 MODE1
D7
1
1
Table
Table
LINFAIL
LINWU
1
D6
1
or
12, must be sent twice.
11, must be sent twice.
0/1
0/1
HVF
D5
BATFAIL
0
0
LVF
D4
or
VDDT — Voltage Regulator Status Flag Bit
temperature condition on the voltage regulator.
HSST — High Side Status Flag Bit
the high side outputs.
condition all high side switches are disabled.
cleared, by reading the flag when it is set and by writing a one
to high side HSxON bit (two SPI commands are necessary).
L2:L1— Wake-Up Inputs L1, L2 Status Flag Bit
terminals and indicate the wake-up source.
0
0
VDDT
D3
• 1 = Low-voltage condition has occurred.
• 0 = No low-voltage condition.
This flag is set as pre-warning in case of an over-
• 1 = Voltage regulator over-temperature condition, pre-
• 0 = No over-temperature detected.
This flag is set on over-temperature conditions on one of
• 1 = HSx off due to over-temperature.
• 0 = No over-temperature.
In case one of the high sides has an over-temperature
To reenable the high side switches, the flags have to be
These flags reflect the status of the L2 and L1 input
• 1 = L2 : L1 input high or wake-up by L2 : L1 (first register
• 0 = L2 : L1 input low.
warning.
read after wake-up indicated with INTSRC = 1).
0
0
HSST
D2
0
0
D1
L2
Analog Integrated Circuit Device Data
0
1
D0
L1
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