MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 357
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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FINTRZ
Operation:
Assembler
Syntax:
Attributes:
Description: Converts the source operand to extended precision (if necessary) and
Operation Table:
MOTOROLA
NOTE: If the source operand is a NAN, refer to 1.6.5 Not-A-Numbers for more information.
extracts the integer part and converts it to an extended-precision floating-point number.
Stores the result in the destination floating-point data register. The integer part is
extracted by rounding the extended-precision number to an integer using the round-to-
zero mode, regardless of the rounding mode selected in the floating-point control
register mode control byte (making it useful for FORTRAN assignments). Thus, the
integer part returned is the number that is to the left of the radix point when the
exponent is zero. For example, the integer part of 137.57 is 137.0; the integer part of
0.1245 x 102 is 12.0. Note that the result of this operation is a floating-point number.
DESTINATION
Result
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Integer Part of Source
FINTRZ. < fmt > < ea > ,FPn
FINTRZ.X FPm,FPn
FINTRZ.X FPn
Format = (Byte, Word, Long, Single, Double, Extended, Packed)
+
Integer Part, Round-to-Zero
Integer, Forced
Round-to- Zero
(MC6888X, M68040FPSP)
In Range
– +
+ 0.0
FPn
SOURCE
Zero
– 0.0 + inf
– +
Floating Point Instructions
Infinity
FINTRZ
– inf
–
5-55
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