MCF5281CVM66J Freescale Semiconductor, MCF5281CVM66J Datasheet - Page 364
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MCF5281CVM66J
Manufacturer Part Number
MCF5281CVM66J
Description
IC MPU 256K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF528xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5281CVM66J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
150
Program Memory Size
256KB (256K 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
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5281CVM66J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Programmable Interrupt Timers (PIT0–PIT3)
19-4
15–12
DOZE
Field
OVW
11–8
PRE
DBG
PIE
PIF
7
6
5
4
3
2
Reserved, must be cleared.
Prescaler. The read/write prescaler bits select the internal bus clock divisor to generate the PIT clock. To accurately
predict the timing of the next count, change the PRE[3:0] bits only when the enable bit (EN) is clear. Changing
PRE[3:0] resets the prescaler counter. System reset and the loading of a new value into the counter also reset the
prescaler counter. Setting the EN bit and writing to PRE[3:0] can be done in this same write cycle. Clearing the EN
bit stops the prescaler counter.
Reserved, must be cleared.
Doze Mode Bit. The read/write DOZE bit controls the function of the PIT in doze mode. Reset clears DOZE.
0 PIT function not affected in doze mode
1 PIT function stopped in doze mode. When doze mode is exited, timer operation continues from the state it was in
Debug mode bit. Controls the function of PIT in halted/debug mode. Reset clears DBG. During debug mode, register
read and write accesses function normally. When debug mode is exited, timer operation continues from the state it
was in before entering debug mode, but any updates made in debug mode remain.
0 PIT function not affected in debug mode
1 PIT function stopped in debug mode
Note: Changing the DBG bit from 1 to 0 during debug mode starts the PIT timer. Likewise, changing the DBG bit
Overwrite. Enables writing to PMRn to immediately overwrite the value in the PIT counter.
0 Value in PMRn replaces value in PIT counter when count reaches 0x0000.
1 Writing PMRn immediately replaces value in PIT counter.
PIT interrupt enable. This read/write bit enables PIF flag to generate interrupt requests.
0 PIF interrupt requests disabled
1 PIF interrupt requests enabled
PIT interrupt flag. This read/write bit is set when PIT counter reaches 0x0000. Clear PIF by writing a 1 to it or by
writing to PMR. Writing 0 has no effect. Reset clears PIF.
0 PIT count has not reached 0x0000.
1 PIT count has reached 0x0000.
before entering doze mode.
from 0 to 1 during debug mode stops the PIT timer.
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Table 19-3. PCSRn Field Descriptions
0000
0001
0010
1101
1110
1111
PRE
...
Internal Bus Clock
Divisor
2
2
2
Description
2
2
2
...
13
14
15
0
1
2
Equivalent
Decimal
16384
32768
8192
...
1
2
4
Freescale Semiconductor
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