MC68LC302 Datasheet, PDF (8/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Table of Contents
Paragraph
Number
Title
Page
Number
4.3.12.3
4.3.12.4
4.3.12.5
4.3.12.6
4.4
4.4.1
4.4.2
4.5
4.5.1
4.5.2
4.5.2.1
4.5.2.2
4.5.2.3
4.5.2.4
Transparent Receive Buffer Descriptor (RxBD) .................................... 4-24
Transparent Transmit Buffer Descriptor (Tx BD)................................... 4-25
Transparent Event Register .................................................................. 4-25
Transparent Mask Register ................................................................... 4-25
Serial Communication Port (SCP)......................................................... 4-25
SCP Programming Model...................................................................... 4-25
SCP Transmit/Receive Buffer Descriptor .............................................. 4-26
Serial Management Controllers (SMCs)................................................ 4-26
SMC Programming Model ..................................................................... 4-26
SMC Memory Structure and Buffers Descriptors .................................. 4-26
SMC1 Receive Buffer Descriptor .......................................................... 4-26
SMC1 Transmit Buffer Descriptor ......................................................... 4-26
SMC2 Receive Buffer Descriptor .......................................................... 4-27
SMC2 Transmit Buffer Descriptor ......................................................... 4-27
Section 5
Signal Description
5.1
Functional Groups ................................................................................... 5-1
5.2
Power Pins .............................................................................................. 5-2
5.3
Clock Pins ............................................................................................... 5-4
5.4
System Control Pins................................................................................ 5-5
5.5
Address Bus Pins (A19–A1).................................................................... 5-7
5.6
Data Bus Pins (D15—D0) ....................................................................... 5-8
5.7
Bus Control Pins...................................................................................... 5-9
5.8
Bus Arbitration Pins............................................................................... 5-10
5.9
Interrupt Control Pins ............................................................................ 5-11
5.10
MC68LC302 Bus Interface Signal Summary......................................... 5-12
5.11
Physical Layer Serial Interface Pins...................................................... 5-14
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
PAIO / SCP Pins ................................................................................... 5-18
5.16
Timer Pins ............................................................................................. 5-19
5.17
Parallel I/O Pins with Interrupt Capability .............................................. 5-20
5.18
Chip-Select Pins.................................................................................... 5-21
5.19
When to Use Pullup Resistors............................................................... 5-21
Section 6
Electrical Characteristics
6.1
Maximum Ratings.................................................................................... 6-2
6.2
Thermal Characteristics .......................................................................... 6-2
6.3
Power Considerations ............................................................................. 6-3
6.4
Power Dissipation.................................................................................... 6-4
6.5
DC Electrical Characteristics................................................................... 6-5
6.6
DC Electrical Characteristics—NMSI1 in IDL Mode................................ 6-6
6.7
AC Electrical Specifications—Clock Timing ............................................ 6-6
MOTOROLA
MC68LC302 REFERENCE MANUAL
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