MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 367
MCF5282CVM66
Manufacturer Part Number
MCF5282CVM66
Description
Manufacturer
Freescale
Datasheet
1.MCF5282CVM66.pdf
(766 pages)
Specifications of MCF5282CVM66
Cpu Family
MCF528x
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Interface Type
CAN/I2C/QSPI/UART
Total Internal Ram Size
64KB
# I/os (max)
150
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
3.3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Package Type
MA-BGA
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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When the PCSRn[OVW] bit is set, counter can be directly initialized by writing to PMRn without having
to wait for the count to reach 0x0000.
19.3.3
The 16-bit PIT counter and prescaler supports different timeout periods. The prescaler divides the internal
bus clock period as selected by the PCSRn[PRE] bits. The PMRn[PM] bits select the timeout period.
19.3.4
Table 19-6
The PIF flag is set when the PIT counter reaches 0x0000. The PIE bit enables the PIF flag to generate
interrupt requests. Clear PIF by writing a 1 to it or by writing to the PMR.
Freescale Semiconductor
PIT CLOCK
COUNTER
MODULUS
PIF
shows the interrupt request generated by the PIT.
Timeout Specifications
Interrupt Operation
0x0002
Timeout period
Interrupt Request
Figure 19-6. Counter in Free-Running Mode
Timeout
Table 19-6. PIT Interrupt Requests
=
2
----------------------------------------------------------------------- -
0x0001
PCSRn[PRE]
×
f
0x0005
(PMRn[PM]
sys
Flag
PIF
+
0x0000
1)
Enable Bit
Programmable Interrupt Timers (PIT0–PIT3)
PIE
0xFFFF
Eqn. 19-1
19-7
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