MK30DN512ZVLK10 Freescale Semiconductor, MK30DN512ZVLK10 Datasheet - Page 365
MK30DN512ZVLK10
Manufacturer Part Number
MK30DN512ZVLK10
Description
ARM Microcontrollers - MCU KINETIS 512K SLCD
Manufacturer
Freescale Semiconductor
Datasheet
1.MK30DN512ZVLK10.pdf
(1547 pages)
Specifications of MK30DN512ZVLK10
Core
ARM Cortex M4
Processor Series
K30
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 KB
Data Ram Size
128 KB
On-chip Adc
Yes
Operating Supply Voltage
1.71 V to 3.6 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-80
Mounting Style
SMD/SMT
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As shown in the third condition, granting permission is a higher priority than denying
access for overlapping regions. This approach is more flexible to system software in
region descriptor assignments. For an example of the use of overlapping region
descriptors, see
18.4.3 Power Management
Disabling the MPU by clearing CESR[VLD] minimizes power dissipation. To minimize
the power dissipation of an enabled MPU, invalidate unused region descriptors by
clearing the associated RGDn_Word3[VLD] bits.
18.5 Initialization Information
At system startup, load the appropriate number of region descriptors, including setting
RGDn_Word3[VLD]. Setting CESR[VLD] enables the module.
If the system requires that all the loaded region descriptors be enabled simultaneously,
first ensure that the entire MPU is disabled (CESR[VLD]=0).
18.6 Application Information
In an operational system, interfacing with the MPU is generally classified into the
following activities:
Freescale Semiconductor, Inc.
1. If the access does not hit in any region descriptor, a protection error is reported.
2. If the access hits in a single region descriptor and that region signals a protection
3. If the access hits in multiple (overlapping) regions and all regions signal protection
violation, a protection error is reported.
violations, a protection error is reported.
A region descriptor must be set to allow access to the MPU
registers if further changes are needed.
Application
K30 Sub-Family Reference Manual, Rev. 6, Nov 2011
Information.
Note
Chapter 18 Memory Protection Unit (MPU)
365
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