MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 80
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MM912F634DV1AER2
Manufacturer Part Number
MM912F634DV1AER2
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AER2
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
4.5 V to 5.5 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
6
Number Of Timers
1
Program Memory Type
Flash
Supply Voltage - Max
4.5 V
Supply Voltage - Min
4.5 V
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Table 95. Hall Supply Register (HSR)
Note:
Functional Description and Application Information
4.10
To supply Hall Effect Sensors or similar external loads, the HSUP output is implemented. To reduce power dissipation inside the
device, the output is implemented as a switchable Voltage Regulator, internally connected to the VS1 supply input. For protection,
an Over-temperature Shutdown and a Current Limitation is implemented. A write to the Hall Supply Register (HSR), when the
over-temperature condition is gone, will re-enable the Hall Supply Output.
The HSUP output is active only during Normal mode. A capacitor C
4.10.1
4.10.1.1
Freescale Semiconductor
Offset
78.
Table 96. HSR - Register Field Descriptions
Reset
0 - HSUPON
W
R
7 - HOTIE
6 - HOTC
(78)
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
Field
0x38
Hall Sensor Supply Output - HSUP
HOTIE
Register Definition
Hall Supply Register (HSR)
7
0
Hall Supply Over-temperature Interrupt Enable
Hall Supply Over-temperature Condition present. During the event, the Hall Supply is shut down. Reading the register will
clear the HOT flag if present. See
Hall Supply On:
0 - Hall Supply Regulator disabled
1 - Hall Supply Regulator enabled
HOTC
6
0
0
0
5
Section 4.6, “Interrupts"
0
0
4
Description
HSUP
for details.
is recommended for operation.
0
0
3
Hall Sensor Supply Output - HSUP
0
0
2
1
0
0
Access: User read/write
MM912F634
HSUPON
0
0
80
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