MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 480
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MC68EC000EI20
Manufacturer Part Number
MC68EC000EI20
Description
IC MPU 32BIT 20MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Specifications of MC68EC000EI20
Processor Type
M680x0 32-Bit
Speed
20MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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Supervisor (Privileged) Instructions
MOVES
6-26
The value stored is undefined for either of the two following
examples with the same address register as both source and
destination.
The current implementations of the MC68010, MC68020,
MC68030, and MC68040 store the incremented or decremented
value of An. Check the following code sequence to determine
what value is stored for each case.
Because the MC68040 implements a merged instruction and
data space, the MC68040’s integer unit into data references
(SFC/DFC = 5 or 1) translates MOVES accesses to the
OinstructionO address spaces (SFC/DFC = 6 or 2). The data
memory unit handles these translated accesses as normal data
accesses. If the access fails due to an ATC fault or a physical
bus error, the resulting access error stack frame contains the
converted function code in the TM field for the faulted access. To
maintain cache coherency, MOVES accesses to write the
OinstructionO address space must be preceded by invalidation
of the instruction cache line containing the referenced location.
MOVES.x An,(An) +
MOVES.x An,D(An)
MOVEA.L #$1000,A0
MOVES.L A0,(A0) +
MOVES.L A0,D(A0)
(MC68010, MC68020, MC68030, MC68040, CPU32)
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Move Address Space
NOTE
MOVES
MOTOROLA
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