MC68LC302CRC16 데이터 시트보기 (PDF) - Motorola => Freescale

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MC68LC302CRC16

Low Power Integrated Multiprotocol Processor Reference Manual

Motorola => Freescale 

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

ix

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