mm908e622 Freescale Semiconductor, Inc, mm908e622 Datasheet - Page 21

• Manufacturer Part Number: mm908e622
• Description: Mm908e622 Integrated Quad Half-bridge, Triple High-side And Ec Glass Driver With Embedded Mcu And Lin For High End Mirror
• Manufacturer: Freescale Semiconductor, Inc

integrated and cost-effective solution for automotive and
industrial applications. For automotive body electronics, the
908E622 is well suited to perform complete mirror control via
a three-wire LIN bus.
flash memory together with a SmartMOS IC chip. The
SmartMOS IC chip combines power and control in one chip.
Power switches are provided on the SmartMOS IC
configured as half-bridge outputs and three high-side
switches. Other ports are also provided, which include a
page 2, for a graphic representation of the various terminals
referred to in the following paragraphs. Also, see the terminal
diagram on
the package.
PORT A I/O TERMINALS
terminals that are shared with other functional modules in the
MCU. PTA0:PTA4 are shared with the keyboard interrupt
terminals, KBD0:KBD4.
and is internally connected to the SPI clock terminal of the
analog die.
is internally connected to the SPI slave select input of the
analog die.
PORT B I/O TERMINALS
terminals that are shared with other functional modules in the
MCU. All terminals are shared with the ADC module.
of the analog die, allowing diagnostic measurements to be
calculated; e.g., current recopy, V
AD7/TBCH1 terminals are not accessible in this device.
PORT C I/O TERMINALS
terminals that are shared with other functional modules in the
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 908E622 was designed and developed as a highly
This device combines an HC908EY16 MCU core with
See
These terminals are special-function, bidirectional I/O port
The PTA5/SPSCK terminal is not accessible in this device
The PTA6/
For details refer to the 68HC908EY16 datasheet.
These terminals are special-function, bidirectional I/O port
PTB0/AD0 is internally connected to the ADOUT terminal
The PTB1/AD1, PTB2/AD2, PTB6/AD6/TBCH0, PTB7/
For details refer to the 68HC908EY16 datasheet.
These terminals are special-function, bidirectional I/O port
Figure 2, 908E622 Simplified Internal Block
page 3
SS
terminal is not accessible in this device and
for a depiction of the terminal locations on
SUP
, etc.
FUNCTIONAL TERMINAL DESCRIPTION
FUNCTIONAL DESCRIPTION
Diagram,
INTRODUCTION
circuitry for EC-glass control, one Hall-effect sensor input
port, one analog input port with a switched current source,
one wake-up terminal, and a selectable HVDD terminal. An
internal voltage regulator provides power to the MCU chip.
communicates using a single wire. This enables this device
to be compatible with three-wire bus systems, where one wire
is used for communication, one for battery, and one for
ground.
MCU. For example, PTC2:PTC4 are shared with the ICG
module.
device and are internally connected to the MISO and MOSI
SPI terminals of the analog die.
PORT D I/O TERMINALS
function, bidirectional I/O port terminals that can also be
programmed to be timer terminals.
input of the analog die and only accessible for test purposes
(can not be used in the application).
PORT E I/O TERMINAL
bidirectional I/O port terminals that can also be programmed
to be enhanced serial communication.
the analog die. The connection for the receiver must be done
externally.
the analog die and only accessible for test purposes (can not
be used in the application).
EXTERNAL INTERRUPT TERMINAL (
terminal. This terminal contains an internal pullup resistor that
is always activated, even when the
LOW.
Also included in this device is a LIN physical layer, which
PTC0/MISO and PTC1/MOSI are not accessible in this
For details refer to the 68HC908EY16 datasheet.
PTD0/TACH0/BEMF and PTD1/TACH1 are special-
PTD0/TACH0 terminal is internally connected to the PWM
For details refer to the 68HC908EY16 datasheet.
PTE0/TXD and PTE1/RXD are special-function,
PTE0/TXD is internally connected to the TXD terminal of
PTE1/RXD is internally connected to the RXD terminal of
For details refer to the 68HC908EY16 datasheet.
The
For details refer to the 68HC908EY16 datasheet.
IRQ
terminal is an asynchronous external interrupt
IRQ
terminal is pulled
Functional Description
IRQ
)
Introduction
908E622
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