MM908E626AVDWB Freescale Semiconductor, MM908E626AVDWB Datasheet - Page 14

• Manufacturer Part Number: MM908E626AVDWB
• Description: IC STEPPER MOTOR DRIVER 54-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Stepper Motor Driverr

Specifications of MM908E626AVDWB

• Applications: Automotive Mirror Control
• Core Processor: HC08
• Program Memory Type: FLASH (16 kB)
• Controller Series: 908E
• Ram Size: 512 x 8
• Interface: SCI, SPI
• Number Of I /o: 13
• Voltage - Supply: 8 V ~ 18 V
• Operating Temperature: -40°C ~ 115°C
• Mounting Type: Surface Mount
• Package / Case: 54-SOIC (7.5mm Width) Exposed Pad, 54-eSOIC, 54-HSOIC
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 8 V to 18 V
• Supply Current: 20 mA
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

highly integrated and cost-effective solution for automotive
and industrial applications. For automotive body electronics,
the 908E626 is well suited to perform stepper motor control,
e.g. for climate or light-levelling control via a 3-wire LIN bus.
(68HC908EY16) with flash memory together with a
SMARTMOS IC chip. The SMARTMOS IC chip combines
power and control in one chip. Power switches are provided
pins referred to in the following paragraphs. Also, see the pin
diagram on
the package.
PORT A I /O PINS (PTA0:4)
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.
The PTA6/
PORT B I/O PINS (PTB1, PTB3:7)
that are shared with other functional modules in the MCU. All
pins are shared with the ADC module. The PTB6 : PTB7 pins
are also shared with the Timer B module.
analog die, allowing diagnostic measurements to be
calculated; e.g., current recopy, V
pin is not accessible in this device.
PORT C I/O PINS (PTC2:4)
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.
14
908E626
FUNCTIONAL DESCRIPTION
INTRODUCTION
The 908E626 device was designed and developed as a
This device combines an standard HC08 MCU core
See
These pins are special function, bidirectional I/O port pins
The PTA5/SPSCK pin is not accessible in this device and
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
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.
Figures
SS
Figures 3
pin is likewise not accessible.
1, for a graphic representation of the various
for a depiction of the pin locations on
SUP
, etc. The PTB2/AD2
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
INTRODUCTION
on the SMARTMOS IC configured as four half-bridge
outputs. Other ports are also provided including a selectable
HVDD pin. An internal voltage regulator is provided on the
SMARTMOS IC chip, which provides power to the MCU chip.
communicates using a single wire. This enables the device to
be compatible with 3-wire bus systems, where one wire is
used for communication, one for battery, and the third for
ground.
PORT D I /O PINS (PTD0:1)
function, bidirectional I /O port pins that can also be
programmed to be timer pins.
connected to the BEMF output of the analog die in order to
evaluate the BEMF signal with a special BEMF module of the
MCU.
generating the FGEN signal (PWM signal) if required by the
application.
PORT E I /O PIN (PTE1)
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.
EXTERNAL INTERRUPT PIN (
pin contains an internal pull-up 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
PTD1/ TACH1 and PTD0/ TACH0/BEMF are special
In step motor applications the PTD0 pin should be
PTD1 pin is recommended for use as an output pin for
PTE1/ RXD and PTE0/ TXD are special function,
PTE0/TXD is internally connected to the TXD pin of the
The
For details refer to the 68HC908EY16 datasheet.
A logic [0] on the
This pin contains an internal pull-up 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
)