MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 72
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MM912F634DV1AE
Manufacturer Part Number
MM912F634DV1AE
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AE
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
5.5 V
Supply Voltage - Min
4.5 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MM912F634DV1AE
Manufacturer:
FREESCALE
Quantity:
20 000
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Note:
Functional Description and Application Information
4.7.2
4.7.2.1
Table 83. Reset Status Register (RSR)
Table 84. RSR - Register Field Descriptions
Reading the Reset Status register will clear the information inside. Writing has no effect. LVR and LVRX are masked when POR
or WUR are set.
Freescale Semiconductor
Offset
70.
Note:
71.
W
R
2 - LVRX
5 - WDR
3 - WUR
0 - POR
4 - EXR
1 - LVR
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
(70)
Field
As the VDD Regulator is shutdown once a LVRX condition is detected, The actual cause could be also a low voltage condition at the
VDDX regulator.
0x15
Register Definition
0
7
Reset Status Register (RSR)
Watchdog Reset - Reset caused by an incorrect serving of the watchdog.
External Reset - Reset caused by the RESET_A pin driven low externally for > t
Wake-up Reset - Reset caused by a wake-up from Sleep mode. To determine the wake-up source, refer to
“Wake-up / Cyclic
Low Voltage Reset VDDX - Reset caused by a low voltage condition monitored at the VDDX output.
Low Voltage Reset VDD - Reset caused by a low voltage condition monitored at the VDD output.
Power On Reset - Supply Voltage was below V
0
6
Sense".
WDR
5
POR
EXR
4
.
Description
WUR
3
RSTDF
LVRX
2
(71)
LVR
1
Access: User read
Section 4.8,
MM912F634
POR
0
Resets
72
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