MM912H634CM1AER2 Freescale Semiconductor, MM912H634CM1AER2 Datasheet - Page 81

• Manufacturer Part Number: MM912H634CM1AER2
• Description: 64KS12 LIN2xLS/HS Isense
• Manufacturer: Freescale Semiconductor
• Series: -r

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

4.13
4.13.1
These outputs are two low side drivers intended to drive relays (inductive loads) incorporating the following
features:
4.13.1.1
The following Figure shows the basic structure of the LS drivers.
4.13.1.2
The Low Side module is active only in Normal mode; the Low Side drivers are disabled in Sleep and Stop mode.
4.13.2
This section lists and describes the signals that do connect off-chip.
Table 110
Freescale Semiconductor
LSCEN[3:0]
MODE[1:0]
Located in VCR
Located in VSR
Vreg high
Pin Name
VROVIE
VROVC
voltage
LSOTIE
LSxOL
LSOTC
LSxCL
•
•
•
•
•
•
LSx
LS1
LS2
PWM capability
Open load detection
Current limitation
Over-temperature shutdown (with maskable interrupt)
Active clamp
Independent VREG - High Voltage Shutdown
shows all the pins and their functions that are controlled by the Low Side module.
Low Side Drivers - LSx
Introduction / Features
External Signal Description
High Voltage Output
Block Diagram
Modes of Operation
Pin Function
& Priority
LS - Control
Interrupt
Control
Module
VDD Digital
I/O
O
O
Status
on/off
Figure 21. Low Side Drivers - Block Diagram
Table 110. Pin Functions and Priorities
MM912_634 Advance Information, Rev. 4.0
VREG high voltage shutdown (maskable interrupt)
overtemperture shutdown (maskable interrupt)
4Bit
Low Side Power Output Driver, Active Clamping
Low Side - Driver
open load detection
Sleep2p5 Digital
current limitation
(active clamp)
PWMCSx
PWMLSx
Description
1Bit
VREG HV
Shutdown
Control
Latch
Low Side Drivers - LSx
active
clamp
ANALOG
PGND
Pin Function
after Reset
LS1
LS2
MCU
ANALOG
LSx
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