MC68EC000EI8 Freescale Semiconductor, MC68EC000EI8 Datasheet - Page 378
MC68EC000EI8
Manufacturer Part Number
MC68EC000EI8
Description
IC MPU 32BIT 85MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Series
M68000r
Specifications of MC68EC000EI8
Processor Type
M680x0 32-Bit
Speed
8MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Core Size
32 Bit
Cpu Speed
8MHz
Digital Ic Case Style
PLCC
No. Of Pins
68
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
0°C To +70°C
Filter Terminals
SMD
Rohs Compliant
Yes
Clock Frequency
8MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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Floating Point Instructions
FMOVE
Register-to-Memory Operation: Rounds the source operand to the size of the specified
5-76
destination format and stores it at the destination effective address. If the format of the
destination is packed decimal, a third operand is required to specify the format of the
resultant string. This operand, called the k-factor, is a 7-bit signed integer (twos
complement) and may be specified as an immediate value or in an integer data
register. If a data register contains the k-factor, only the least significant seven bits are
used, and the rest of the register is ignored.
Source Specifier field—Specifies the source register or data format.
Destination Register field—Specifies the destination floating- point data register.
Opmode field—Specifies the instruction and rounding precision.
0000000 FMOVE
1000000 FSMOVE Single-precision rounding specified.
1000100 FDMOVE Double-precision rounding specified.
If R/M = 0, specifies the source floating-point data register.
If R/M = 1, specifies the source data format:
*This encoding in the MC68040 will cause an unimplemented data type
000 — Long-Word Integer (L)
001 — Single-Precision Real (S)
010 — Extended-Precision Real (X)
011 — Packed-Decimal Real (P)*
100 — Word Integer (W)
101 — Double-Precision Real (D)
110 — Byte Integer (B)
exception to allow emulation in software.
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Move Floating-Point Data Register
Rounding precision specified by the floating-point
control register.
(MC6888X, MC68040)
FMOVE
MOTOROLA
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