MC68EC000EI8 Freescale Semiconductor, MC68EC000EI8 Datasheet - Page 3

IC MPU 32BIT 85MHZ 68-PLCC

MC68EC000EI8

Manufacturer Part Number
MC68EC000EI8
Description
IC MPU 32BIT 85MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Series
M68000r
Datasheets

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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Paragraph
Number
1.1
1.1.1
1.1.2
1.1.3
1.1.4
1.2
1.2.1
1.2.2
1.2.2.1
1.2.2.2
1.2.3
1.2.3.1
1.2.3.2
1.2.3.3
1.2.3.4
1.2.4
1.3
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.3.6
1.3.6.1
1.3.6.2
1.4
1.5
1.5.1
1.5.2
1.6
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.7
1.7.1
MOTOROLA
Integer Unit User Programming Model. . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Floating-Point Unit User Programming Model . . . . . . . . . . . . . . . . . . . . 1-4
Supervisor Programming Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Integer Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Floating-Point Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Floating-Point Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Organization of Data in Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
Data Registers (D7 – D0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Address Registers (A7 – A0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Floating-Point Data Registers (FP7 – FP0) . . . . . . . . . . . . . . . . . . . . . 1-4
Floating-Point Control Register (FPCR) . . . . . . . . . . . . . . . . . . . . . . . 1-5
Floating-Point Status Register (FPSR) . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Floating-Point Instruction Address Register (FPIAR) . . . . . . . . . . . . . 1-8
Address Register 7 (A7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Vector Base Register (VBR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Alternate Function Code Registers (SFC and DFC) . . . . . . . . . . . . . 1-11
Acu Status Register (MC68EC030 only) . . . . . . . . . . . . . . . . . . . . . . 1-11
Transparent Translation/access Control Registers . . . . . . . . . . . . . . 1-12
Packed Decimal Real Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Binary Floating-Point Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Normalized Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
Denormalized Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
Zeros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Infinities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Not-A-Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Data Format and Type Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Organization of Integer Data Formats in Registers . . . . . . . . . . . . . . 1-25
M68030. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
M68040. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Exception Enable Byte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Mode Control Byte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Floating-Point Condition Code Byte. . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Quotient Byte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Exception Status Byte.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Accrued Exception Byte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Transparent Translation/access Control Register Fields for the
Transparent Translation/access Control Register Fields for the
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
TABLE OF CONTENTS
Introduction
Section 1
Title
Number
Page
iii

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