MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 403
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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FNEG
MOTOROLA
Destination Register field—Specifies the destination floating- point data register. If R/
Opmode field—Specifies the instruction and rounding precision.
0011010 FNEG
1011010 FSNEG
1011110
M = 0 and the source and destination fields are equal, then the input operand is
taken from the specified floating-point data register and the result is written into
the same register. If the single register syntax is used, Motorola assemblers set
the source and destination fields to the same value.
FDNEG
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Rounding precision specified by the floating-point
control register.
Single-precision rounding specified.
Double-precision rounding specified.
Floating-Point Negate
(MC6888X, MC68040)
Floating Point Instructions
FNEG
5-101
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