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AM8530H Datasheet(PDF) 4 Page - Advanced Micro Devices

Part # AM8530H
Description  Serial Communications Controller
PDF  194 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM8530H Datasheet(HTML) 4 Page - Advanced Micro Devices

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TABLE OF CONTENTS
Chapter 1
General Information
1.1
Introduction
1–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Capabilities
1–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Block Diagram
1–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4
Pin Functions
1–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
Pin Descriptions
1–8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5.1
System Interface Pin Descriptions
1–8
. . . . . . . . . . . . . . .
1.5.2
Serial Channel Pin Descriptions
1–9
. . . . . . . . . . . . . . . .
Chapter 2
System Interface
2.1
Introduction
2–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
Registers
2–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3
System Timings
2–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1
Read Cycle
2–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2
Write Cycle
2–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3
Interrupt Acknowledge Cycle
2–5
. . . . . . . . . . . . . . . . . . .
2.4
Register Access
2–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5
Am85C30 Enhancement Register Access
2–7
. . . . . . . . . . . . . .
2.6
Reset
2–12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3
I/O Programming Functional Description
3.1
Introduction
3–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2
Polling
3–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3
Interrupt Sources
3–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4
Interrupt Control
3–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.1
Interrupt Enable Bit
3–4
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.2
Interrupt Pending Bit
3–5
. . . . . . . . . . . . . . . . . . . . . . . . .
3.4.3
Interrupt Under Service Bit
3–5
. . . . . . . . . . . . . . . . . . . .
3.4.4
Disable Lower Chain Bit
3–5
. . . . . . . . . . . . . . . . . . . . . .
3.5
Interrupt Operations
3–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.1
Multiple Interrupt Priority Resolution
3–6
. . . . . . . . . . . . .
3.5.2
Interrupt Without Acknowledge
3–8
. . . . . . . . . . . . . . . . .
3.5.3
Interrupt With Acknowledge With Vector
3–8
. . . . . . . . . .
3.5.4
Interrupt With Acknowledge Without Vector
3–10
. . . . . . .
3.5.5
Lower Priority Interrupt Masking
3–10
. . . . . . . . . . . . . . . .
3.6
Receive Interrupts
3–10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.1
Receive Interrupts Disabled
3–10
. . . . . . . . . . . . . . . . . . . .
3.6.2
Receive Interrupt on First Character or
Special Condition
3–10
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.3
Receive Interrupt on All Receive Characters or
Special Conditions
3–11
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.4
Receive Interrupt on Special Conditions
3–11
. . . . . . . . . .
3.7
Transmit Interrupts
3–12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8
External/Status Interrupts
3–13
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.1
Sync/Hunt
3–13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.2
Break/Abort
3–14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.3
Zero Count
3–14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.4
Tx Underrun/EOM
3–15
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.5
Clear To Send
3–15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.6
Data Carrier Detect
3–15
. . . . . . . . . . . . . . . . . . . . . . . . . .



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