MM908E626AVEK Freescale Semiconductor, MM908E626AVEK Datasheet - Page 35

• Manufacturer Part Number: MM908E626AVEK
• Description: IC STEPPER MOTOR DRIVER 54-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Stepper Motor Driverr

Specifications of MM908E626AVEK

• 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
• Supply Current: 20 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

recommendations to improve EMC/EMI performance.
Further generic design recommendations can be e.g. found
on the Freescale web site www.freescale.com.
VSUP pins (VSUP1:VSUP3)
decoupling capacitor close to the VSUP pins to improve
EMC/EMI behavior.
LIN pin
Discharge) its recommended to place a high quality ceramic
decoupling capacitor near the LIN pin. An additional varistor
will further increase the immunity against ESD. A ferrite in the
LIN line will suppress some of the noise induced.
Voltage regulator output pins (VDD and AGND)
stabilize the regulated voltage.
Analog Integrated Circuit Device Data
Freescale Semiconductor
This paragraph gives some device specific
Its recommended to place a high quality ceramic
For DPI (Direct Power Injection) and ESD (Electrostatic
Use a high quality ceramic decoupling capacitor to
V
LIN
SUP
V1
D1
L1
C1
Figure 18. EMC/EMI Recommendations
+
EMC/EMI RECOMMENDATIONS
C2
C5
VSUP3
GND2
VSUP1
VSUP2
LIN
GND1
MCU digital supply pins (EVDD and EVSS)
duration current demands on the power supply. To prevent
noise problems, take special care to provide power supply
bypassing at the MCU. It is recommended that a high quality
ceramic decoupling capacitor be placed between these pins.
MCU analog supply pins (VREFH, VDDA and VREFL,
VSSA)
take special care on the layout. The MCU digital and analog
supplies should be tied to the same potential via separate
traces and connected to the voltage regulator output.
schematics and layout level and
recommended external components and layout
considerations.
MM908E625
Fast signal transitions on MCU pins place high, short
To avoid noise on the analog supply pins its important to
Figure 18
and
VREFH
VREFL
VDDA
EVDD
EVSS
VSSA
VDD
VSS
Figure 19
FACTORY TRIMMING AND CALIBRATION
C3
show the recommendations on
C4
Table 11
TYPICAL APPLICATIONS
indicates
908E626
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