MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 57
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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instruction execution is performed in the second stage (EX) in one of the execute engines (e.g., ALU,
barrel shifter, divider, EMAC). There are no operand memory accesses associated with this class of
instructions, and the execution time is typically a single machine cycle. See
For memory-to-register (embedded-load) instructions, the instruction is effectively staged through the
OEP twice with a basic execution time of three cycles. First, the instruction is decoded and the components
of the operand address (base register from the RGF and displacement) are selected (DS). Second, the
operand effective address is generated using the ALU execute engine (AG). Third, the memory read
operand is fetched from the core bus, while any required register operand is simultaneously fetched (OC)
from the RGF. Finally, in the fourth cycle, the instruction is executed (EX). The heavily-used 32-bit load
instruction (
in
added to a base register Ay.
Freescale Semiconductor
Figure 2-12
Extension 1
Extension 2
Read Data
Core Bus
Opword
move.l <mem>y,Rx
shows an effective address of the form <ea>y = (d16,Ay), i.e., a 16-bit signed displacement
RGF
) is optimized to support a two-cycle execution time. The following example
Figure 2-11. V2 OEP Register-to-Register
Ry
DSOC
Operand Execution Pipeline
Rx
AGEX
new Rx
Figure
2-11.
Core Bus
Address
Core Bus
Write
Data
ColdFire Core
2-11
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