Table of Contents
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TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
Section 5
5.1
Functional Groups .................................................................. 5-1
5.2
Power Pins ............................................................................. 5-2
5.3
Clocks .................................................................................... 5-2
5.4
System Control ....................................................................... 5-4
5.5
1.. ......................................................
5-5
5.6
Data Bus Pins D15-DO ............................................................. 5-6
5.7
Bus Control Pins ..................................................................... 5-6
5.8
Bus Arbitration Pins ................................................................ 5-8
5.9
Interrupt Control Pins .............................................................. 5-9
5.10
MC68302 Bus Interface Signal Summary ................................... 5-10
5.11
Physical Layer Serial Interface Pins ........................................... 5-11
5.12
Typical Serial Interface Pin Configurations ................................. 5-11
5.13
NMSl1 or ISDN Interface Pins .................................................. 5-12
5.14
NMSl2 Port or Port A Pins ....................................................... 5-14
5.15
NMSl3 Port or Port A Pins or SCP Pins ..................................... 5-15
5.16
IDMA Pins or Port A Pins ......................................................... 5-16
5.17
IACK or PIO Port B Pins ........................................................... 5-16
5.18
Timer Pins ............................................................................. 5-17
5.19
1/0 Pins with Interrupt Capability ................................... 5-17
5.20
Chip-Select Pins ...................................................................... 5-18
Section 6
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6.1
Maximum Ratings ................................................................... 6-1
6.2
Thermal Characteristics ........................................................... 6-1
6.3
Power Considerations ............................................................. 6-2
6.4
Power Dissipation ................................................................... 6-2
6.5
DC Electrical Characteristics ..................................................... 6-3
6.6
NMSl1 in IDL Mode .................... 6-3
6.7
AC Electrical Specifications - Clock Timing .............................. 6-4
6.8
IMP Bus Master Cycles ................ 6-5
6.9
AC Electrical Specifications -
DMA .......................................... 6-10
6.10
Read/Write Cycles ................................................................ 6-12
MOTOROLA
MC68302 USER'S MANUAL
ix
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