MC68EC000EI12 Freescale Semiconductor, MC68EC000EI12 Datasheet - Page 451
MC68EC000EI12
Manufacturer Part Number
MC68EC000EI12
Description
IC MPU 32BIT 12MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Series
68K - M680X0r
Specifications of MC68EC000EI12
Processor Type
M680x0 32-Bit
Speed
12MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Core Size
32 Bit
Cpu Speed
12MHz
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
12MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
MC68EC000EI12
Manufacturer:
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Quantity:
10 000
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MC68EC000EI12R2
Manufacturer:
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Quantity:
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FTST
MOTOROLA
R/M field—Specifies the source operand address mode.
Source Specifier field—Specifies the source register or data format.
Destination Register field—Since the floating-point unit uses a common command
0 — The operation is register to register.
1 — The operation is < ea > to register.
If R/M = 0, specifies the source floating-point data register.
If R/M = 1, specifies the source data format:
*This encoding will cause an unimplemented data type exception in the
word format for all of the arithmetic instructions (including FTST), this field is
treated in the same manner for FTST as for the other arithmetic instructions, even
though the destination register is not modified. This field should be set to zero to
maintain compatibility with future devices; however, the floating-point unit does
not signal an illegal instruction trap if it is not zero.
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)
MC68040 to allow emulation in software.
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Test Floating-Point Operand
(MC6888X, MC68040)
Floating Point Instructions
FTST
5-149
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