MM908E625ACDWB Freescale Semiconductor, MM908E625ACDWB Datasheet - Page 35
MM908E625ACDWB
Manufacturer Part Number
MM908E625ACDWB
Description
IC QUAD HALF BRDG MCU/LIN 54SOIC
Manufacturer
Freescale Semiconductor
Datasheets
1.MM908E625.pdf
(48 pages)
2.MM908E625ACDWB.pdf
(48 pages)
3.MM908E625ACDWB.pdf
(48 pages)
4.MM908E625ACDWB.pdf
(48 pages)
5.MM908E625ACDWB.pdf
(40 pages)
Specifications of MM908E625ACDWB
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 ~ 85°C
Mounting Type
Surface Mount
Package / Case
54-SOIC (0.300", 7.50mm Width) Exposed Pad
Program Memory Size
16 KB
Number Of Programmable I/os
54
Number Of Timers
16
Operating Supply Voltage
- 18 V to + 28 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MM908E625ACDWB
Manufacturer:
FREESCALE Semiconductor
Quantity:
26
HALF-BRIDGE OVERTEMPERATURE
PROTECTION
warning with the HTF in the Interrupt Flag Register (IFR). In
order to protect the outputs against overtemperature, the
High-Temperature Reset must be enabled. If this value is
reached, the part generates a reset and disables all power
outputs.
HALF-BRIDGE OVERCURRENT PROTECTION
to VSUP, and load shorts.
the high-side MOSFETs on all HB high-side MOSFETs are
switched off automatically. In the event an overcurrent on the
low side is detected, all HB low-side MOSFETs are switched
off automatically. In both cases the overcurrent status flag
HB_OCF in the System Status Register (SYSSTAT) is set.
enabled) by writing a Logic [1] to the HB_OCF flag in the
System Status Register or by reset.
HALF-BRIDGE OVERVOLTAGE/UNDERVOLTAGE
undervoltage and overvoltage conditions. This protection is
Analog Integrated Circuit Device Data
Freescale Semiconductor
The half-bridge outputs provide an overtemperature pre-
The half-bridges are protected against short to GND, short
In the event an overcurrent on the high side is detected,
The overcurrent status flag is cleared (and the outputs re-
The half-bridge outputs are protected against
1
Figure 20. BEMF Signal Generation
done by the low- and high-voltage interrupt circuitry. If one of
these flags (LVF, HVF) is set, the outputs are automatically
disabled.
(and the outputs re-enabled) by writing a Logic [1] to the LVF/
this flag is useless as long as a high- or low-voltage condition
is present.
HALF-BRIDGE CONTROL REGISTER (HBCTL)
H-Bridge Offset Chopping Enable Bit (OFC_EN)
the OFC_EN bit.
HVF flags in the Interrupt Flag Register or by reset. Clearing
Bits
Reset
Write
Read
The overvoltage/undervoltage status flags are cleared
This read/write bit enables offset chopping. Reset clears
• 1 = Offset chopping enabled
• 0 = Offset chopping disabled
BEMF Signal
Coil Current
Voltage on
OFC_EN
Register Name and Address: HBCTL - $02
7
0
1
CSA
6
0
LOGIC COMMANDS AND REGISTERS
5
0
0
FUNCTIONAL DEVICE OPERATION
4
0
0
3
0
0
CLS2
2
0
CLS1
1
0
908E625
CLS0
0
0
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