MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 209
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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EXG
Operation:
Assembler
Syntax:
Attributes:
Description: Exchanges the contents of two 32-bit registers. The instruction performs three
Condition Codes:
Instruction Format:
Instruction Fields:
MOTOROLA
15
1
Not affected.
Register Rx field—Specifies either a data register or an address register depending on
types of exchanges.
Opmode field—Specifies the type of exchange.
Register Ry field—Specifies either a data register or an address register depending on
01000—Data registers
01001—Address registers
10001—Data register and address register
14
1
1. Exchange data registers.
2. Exchange address registers.
3. Exchange a data register and an address register.
the mode. If the exchange is between data and address registers, this field always
specifies the data register.
the mode. If the exchange is between data and address registers, this field always
specifies the address register.
13
0
12
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Rx
EXG Dx,Dy
EXG Ax,Ay EXG Dx,Ay
Size = (Long)
11
REGISTER Rx
Ry
10
Exchange Registers
9
(M68000 Family)
8
1
7
6
OPMODE
5
4
3
Integer Instructions
2
REGISTER Ry
EXG
1
4-105
0
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