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Paragraph
Number
5.6
Data Bus Pins (D15-D0) ....................................................................... 5-7
5.7
Bus Control Pins...................................................................................... 5-8
5.8
Bus Arbitration Pins............................................................................... 5-10
5.9
Interrupt Control Pins ............................................................................ 5-11
5.10
MC68302 Bus Interface Signal Summary ............................................. 5-12
5.11
Physical Layer Serial Interface Pins...................................................... 5-13
5.12
Typical Serial Interface Pin Configurations ........................................... 5-14
5.13
NMSI1 or ISDN Interface Pins............................................................... 5-14
5.14
NMSI2 Port or Port a Pins ..................................................................... 5-17
5.15
NMSI3 Port or Port A Pins or SCP Pins ................................................ 5-18
5.16
IDMA or Port A Pins .............................................................................. 5-19
5.17
IACK or PIO Port B Pins........................................................................ 5-20
5.18
Timer Pins ............................................................................................. 5-20
5.19
Parallel I/O Pins with Interrupt Capability .............................................. 5-22
5.20
Chip-Select Pins.................................................................................... 5-22
5.21
No-Connect Pins ................................................................................... 5-23
5.22
When to Use Pullup Resistors............................................................... 5-23
6.1
Maximum Ratings.................................................................................... 6-1
6.2
Thermal Characteristics .......................................................................... 6-1
6.3
Power Considerations ............................................................................. 6-2
6.4
Power Dissipation.................................................................................... 6-3
6.5
DC Electrical Characteristics................................................................... 6-4
6.6
DC Electrical Characteristics-NMSI1 in IDL Mode................................ 6-5
6.7
AC Electrical Specifications-Clock Timing ............................................ 6-5
6.8
AC Electrical Specifications-IMP Bus Master Cycles............................ 6-6
6.9
AC Electrical Specifications-DMA ....................................................... 6-13
6.10
Internal Asynchronous Read/Write Cycles............................................ 6-16
6.11
Read/Write Cycles................................................................................. 6-19
6.12
Internal Read/Write Cycles.................................................................... 6-23
6.13
Master .................................................................................................. 6-24
6.14
6.15
AC Electrical Specifications-Parallel I/O ............................................ 6-26
6.16
AC Electrical Specifications-Interrupts................................................ 6-27
6.17
AC Electrical Specifications-Timers .................................................... 6-28
6.18
AC Electrical Specifications-Serial Communications Port . ................ 6-29
6.19
AC Electrical Specifications-IDL Timing.............................................. 6-30
6.20
AC Electrical Specifications-GCI Timing............................................. 6-32
6.21
AC Electrical Specifications-PCM Timing ........................................... 6-34
6.22
AC Electrical Specifications-NMSI Timing .......................................... 6-36
MOTOROLA
Title
Section 6
MC68302 USER'S MANUAL
Table of Contents
Page
Number
xi
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