MM912H634CM1AER2 Freescale Semiconductor, MM912H634CM1AER2 Datasheet - Page 79
![no-image](/images/manufacturer_photos/0/2/262/freescale_semiconductor_sml.jpg)
MM912H634CM1AER2
Manufacturer Part Number
MM912H634CM1AER2
Description
64KS12 LIN2xLS/HS Isense
Manufacturer
Freescale Semiconductor
Series
-r
Datasheet
1.MM912G634CM1AE.pdf
(345 pages)
Specifications of MM912H634CM1AER2
Applications
Automotive
Core Processor
HCS12
Program Memory Type
FLASH (64 kB)
Controller Series
HCS12
Ram Size
6K x 8
Interface
LIN
Number Of I /o
-
Voltage - Supply
5.5 V ~ 27 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
48-LQFP Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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4.12
These outputs are two high side drivers, intended to drive small resistive loads or LEDs incorporating the following
features:
4.12.1
Each high side driver signals an open load condition if the current through the high side is below the open load current threshold.
The open load condition is indicated with the bits HS1OL and HS2OL in the High Side Status Register (HSSR).
4.12.2
Each high side driver has an output current limitation. In combination with the over-temperature shutdown the high side drivers
are protected against over-current and short-circuit failures.
That the driver operates in the current limitation area is indicated with the bits HS1CL and HS2CL in the High Side Status Register
(HSSR).
4.12.3
Both high side drivers are protected against over-temperature. In over-temperature conditions, both high side drivers are shut
down and the event is latched in the Interrupt Control Module. The shutdown is indicated as HS Interrupt in the Interrupt Source
Register (ISR).
A thermal shutdown of the high side drivers is indicated by setting the HSOT bit in the High Side Status Register (HSSR).
A write to the High Side Control Register (HSCR), when the over-temperature condition is gone, will re- enable the high side
drivers.
4.12.4
In case of a high voltage condition (HVI), and if the high voltage shutdown is enabled (bit HVSDE in the High Side Control Register
(HSCR) is set), both high side drivers are shut down. A write to the High Side Control Register (HSCR), when the high voltage
condition is gone, will re-enable the high side drivers.
4.12.5
The high side drivers can be enabled to operate in Sleep and Stop mode for cyclic sensing. See
Sense
4.12.6
Section 4.14, “PWM Control Module (PWM8B2C)
4.12.7
4.12.7.1
Note:
Freescale Semiconductor
Offset
76.
Reset
W
R
•
•
•
•
•
•
(76)
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
PWM capability via the PWM Module
Open load detection
Current limitation
Over-temperature shutdown (with maskable interrupt)
High voltage shutdown - HVI (software maskable)
Cyclic-Sense, See
0x28
High Side Drivers - HS
HSOTIE
Open Load Detection
Current Limitation
Over-temperature Protection (HS Interrupt)
High Voltage Shutdown
Sleep And Stop Mode
PWM Capability
Register Definition
High Side Control Register (HSCR)
7
0
HSHVSDE
Section 4.9, “Wake-up / Cyclic Sense
6
0
Table 106. High Side Control Register (HSCR)
PWMCS2
MM912_634 Advance Information, Rev. 4.0
5
0
PWMCS1
4
0
PWMHS2
3
0
PWMHS1
2
0
Section 4.9, “Wake-up / Cyclic
High Side Drivers - HS
HS2
1
0
Access: User read/write
MCU
HS1
0
0
ANALOG
79
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