MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 491

• 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: -

PFLUSH
Operation:
Assembler
Syntax:
Attributes:
Description: This instruction should not be executed when using an MC68EC040. The
Condition Codes:
Instruction Format:
Instruction Fields:
MOTOROLA
15
1
Opmode field—Specifies the flush operation.
PFLUSH encoding suspends operation of the MC68EC040 for an indefinite period of
time and subsequently continues with no adverse effects.
Not affected.
Register field—Specifies the address register containing the effective address to be
14
1
flushed when flushing a page entry.
13
1
12
1
Opcode
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
If Supervisor State
Else TRAP
PFLUSH (An)
PFLUSHN (An)
Unsized
00
01
10
11
Then No Operation
11
0
Postincrement Source and Destination
Flush page entry if not global
Flush page entry
Flush all except global entries
Flush all entries
10
1
Flush ATC Entries
9
0
(MC68EC040)
Operation
8
1
7
0
6
0
Assembler Syntax
Supervisor (Privileged) Instructions
5
0
PFLUSHN (An)
PFLUSH (An)
PFLUSHAN
PFLUSHA
OPMODE
4
3
PFLUSH
2
REGISTER
1
6-37
0