MM908E622ACDWBR2 FREESCALE [Freescale Semiconductor, Inc], MM908E622ACDWBR2 Datasheet - Page 20

• 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]

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
page 2, for a graphic representation of the various pins
referred to in the following paragraphs. Also, see the pin
diagram on
package.
PORT A I /O PINS
that are shared with other functional modules in the MCU.
PTA0 : PTA4 are shared with the keyboard interrupt pins,
KBD0 : KBD4.
is internally connected to the SPI clock pin of the analog die.
internally connected to the SPI slave select input of the
analog die.
PORT B I/O PINS
that are shared with other functional modules in the MCU. All
pins are shared with the ADC module.
analog die, allowing diagnostic measurements to be
calculated; e.g., current recopy, V
AD7/TBCH1 pins are not accessible in this device.
PORT C I/O PINS
that are shared with other functional modules in the MCU. For
example, PTC2 : PTC4 are shared with the ICG module.
device, and are internally connected to the MISO and MOSI
SPI pins of the analog die.
20
908E622
FUNCTIONAL DESCRIPTION
INTRODUCTION
The 908E622 was designed and developed as a highly
This device combines an HC908EY16 MCU core with
See
These pins are special function, bidirectional I/O port pins
The PTA5/SPSCK pin is not accessible in this device, and
The PTA6/
For details, refer to the 68HC908EY16 datasheet.
These pins are special function, bidirectional I/O port pins
PTB0/AD0 is internally connected to the ADOUT pin of the
The PTB1/AD1, PTB2/AD2, PTB6/AD6/TBCH0, PTB7/
For details, refer to the 68HC908EY16 datasheet.
These pins are special function, bidirectional I/O port pins
PTC0/MISO and PTC1/MOSI are not accessible in this
For details, refer to the 68HC908EY16 datasheet.
Figure 2, 908E622 Simplified Internal Block
page 3
SS
pin is not accessible in this device, and is
for a depiction of the pin locations on the
SUP
, etc.
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
Diagram,
INTRODUCTION
switches. Other ports are also provided, which include a
circuitry for EC-glass control, one Hall-effect sensor input
port, one analog input port with a switched current source,
one wake-up pin, and a selectable HVDD pin. 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.
PORT D I /O PINS
function, bidirectional I /O port pins that can also be
programmed to be timer pins.
of the analog die and only accessible for test purposes
(cannot be used in the application).
PORT E I /O PIN
bidirectional I/O port pins that can also be programmed to be
enhanced serial communication.
analog die. The connection for the receiver must be done
externally.
analog die and only accessible for test purposes (cannot be
used in the application).
EXTERNAL INTERRUPT PIN (
pin contains an internal pullup resistor that is always
activated, even when the
EXTERNAL RESET PIN (
startup state.
entire system. It is driven LOW when any internal reset
source is asserted.
activated, even when the reset pin is pulled LOW.
Also included in this device is a LIN physical layer, which
PTD0/ TACH0/BEMF and PTD1/ TACH1 are special
PTD0/TACH0 pin is internally connected to the PWM input
For details, refer to the 68HC908EY16 datasheet.
PTE0/ TXD and PTE1/ RXD are special function,
PTE0/TXD is internally connected to the TXD pin of the
PTE1/RXD is internally connected to the RXD pin of the
For details, refer to the 68HC908EY16 datasheet.
The
For details, refer to the 68HC908EY16 datasheet.
A logic [0] on the
This pin contains an internal pullup resistor that is always
For details, refer to the 68HC908EY16 datasheet.
IRQ
pin is an asynchronous external interrupt pin. This
RST
is bidirectional, allowing a reset of the
RST
Analog Integrated Circuit Device Data
pin forces the MCU to a known
IRQ
RST
pin is pulled LOW.
)
Freescale Semiconductor
IRQ
)