MM912H634DM1AER2 Freescale Semiconductor, MM912H634DM1AER2 Datasheet - Page 84

• Manufacturer Part Number: MM912H634DM1AER2
• Description: 16-bit Microcontrollers - MCU 64KS12 LIN2XLS/HS ISENSE
• Manufacturer: Freescale Semiconductor

Specifications of MM912H634DM1AER2

• Rohs: yes
• Core: HCS12
• Processor Series: MM912F634
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5.5 V to 18 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 15
• Interface Type: SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 15
• Number Of Timers: 1
• Program Memory Type: Flash
• Supply Voltage - Max: 18 V
• Supply Voltage - Min: 5.5 V

Functional Description and Application Information
4.12
4.12.1
These outputs are two Low Side drivers intended to drive relays (inductive loads) incorporating the following features:
4.12.1.1
The following Figure shows the basic structure of the LS drivers.
4.12.1.2
The Low Side module is active only in Normal mode; the Low Side drivers are disabled in Sleep and Stop mode.
Freescale Semiconductor
LSCEN[3:0]
MODE[1:0]
Located in VCR
Located in VSR
Vreg high
VROVIE
VROVC
voltage
LSOTIE
LSxOL
LSOTC
LSxCL
•
•
•
•
•
•
LSx
PWM capability
Open load detection
Current limitation
Over-temperature shutdown (with maskable interrupt)
Active clamp
Independent VREG - High Voltage Shutdown
Low Side Drivers - LSx
Introduction / Features
Block Diagram
Modes of Operation
LS - Control
Interrupt
Control
Module
VDD Digital
Status
on/off
Figure 22. Low Side Drivers - Block Diagram
VREG high voltage shutdown (maskable interrupt)
overtemperture shutdown (maskable interrupt)
4Bit
Low Side - Driver
open load detection
Sleep2p5 Digital
current limitation
(active clamp)
PWMCSx
PWMLSx
1Bit
VREG HV
Shutdown
Control
Latch
Low Side Drivers - LSx
active
clamp
ANALOG
PGND
MM912F634
LSx
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