MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 526
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
PTEST
Operation:
Assembler
Syntax:
Attributes:
Description: This instruction must not be executed on an MC68EC040. This instruction
Instruction Format:
Instruction Fields:
6-72
15
1
R/W field—Specifies simulating a read or write bus transfer.
may cause extraneous bus cycles to occur and may result in unexpected exception
types.
Register field—Specifies the address register containing the effective address for the
0—Write
1—Read
14
1
instruction.
13
1
12
1
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
If Supervisor State
Else TRAP
PTESTR (An)
PTESTW (An)
Unsized
Then No Operation, Possibly Run Extraneous Bus Cycles
11
0
Test a Logical Address
10
1
9
0
(MC68EC040)
8
1
7
0
6
1
R/ W
5
4
0
3
1
PTEST
2
REGISTER
MOTOROLA
1
0
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