MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 199
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MCF5282CVF80J
Manufacturer Part Number
MCF5282CVF80J
Description
IC MPU 512K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF528xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5282CVF80J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
150
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
256-MAPBGA
Processor Series
MCF528x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5282-KIT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5282CVF80J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 199 of 766
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10.3.3
The INTFRCHn and INTFRCLn registers are each 32 bits in size and provide a mechanism to allow
software generation of interrupts for each possible source for functional or debug purposes. The system
design may reserve one or more sources to allow software to self-schedule interrupts by forcing one or
more of these bits (1 = force request, 0 = negate request) in the appropriate INTFRCn register. The
assertion of an interrupt request via the INTFRCn register is not affected by the interrupt mask register.
The INTFRCn register is cleared by reset.
Freescale Semiconductor
31–1
Bits
0
Interrupt Force Registers (INTFRCHn, INTFRCLn)
If an interrupt source is being masked in the interrupt controller mask
register (IMR) or a module’s interrupt mask register while the interrupt
mask in the status register (SR[I]) is set to a value lower than the interrupt’s
level, a spurious interrupt may occur. This is because by the time the status
register acknowledges this interrupt, the interrupt has been masked. A
spurious interrupt is generated because the CPU cannot determine the
interrupt source. To avoid this situation for interrupts sources with levels
1-6, first write a higher level interrupt mask to the status register, before
setting the mask in the IMR or the module’s interrupt mask register. After
the mask is set, return the interrupt mask in the status register to its previous
value. Since level seven interrupts cannot be disabled in the status register
prior to masking, use of the IMR or module interrupt mask registers to
disable level seven interrupts is not recommended.
INT_MASK
MASKALL
Name
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Interrupt mask. Each bit corresponds to an interrupt source. The corresponding
IMRLn bit determines whether an interrupt condition can generate an interrupt.
The corresponding IPRLn bit reflects the state of the interrupt signal even if the
corresponding IMRLn bit is set.
0 The corresponding interrupt source is not masked
1 The corresponding interrupt source is masked
Mask all interrupts. Setting this bit will force the other 63 bits of the IMRHn and
IMRLn to ones, disabling all interrupt sources, and providing a global mask-all
capability.
Table 10-7. IMRLn Field Descriptions
NOTE
Description
Interrupt Controller Modules
10-9
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