ARM PrimeCell PS2 Keyboard/Mouse Interface (PL050) TechnicalReference Manual


Table of Contents

Preface
About this manual
Intended audience
Using this manual
Conventions
Additional reading
Feedback
Feedback on this product
Feedback on this manual
1. Introduction
1.1. About the ARM PrimeCell PS2 Keyboard/MouseInterface (PL050)
1.1.1. Features of the PrimeCell KMI
1.2. AMBA compatibility
2. Functional Overview
2.1. ARM PrimeCell PS2 Keyboard/Mouse Interface(PL050) overview
2.2. PrimeCell KMI functional description
2.2.1. AMBA APB interface and register block
2.2.2. Transmit block
2.2.3. Receive block
2.2.4. Controller block
2.2.5. Timer/clock divider blocks
2.2.6. Synchronization logic
2.2.7. Test registers and logic
2.3. PrimeCell KMI operation
2.3.1. Interface reset
2.3.2. Clock signals
2.3.3. Keyboard clock and data signals
2.3.4. Keyboard/mouse data output
2.3.5. Keyboard data input
2.3.6. Timing requirements
3. Programmer’s Model
3.1. About the programmer’s model
3.2. Summary of PrimeCell KMI registers
3.3. Register descriptions
3.3.1. KMICR: [6] (+ 0x00)
3.3.2. KMISTAT: [7]( + 0x04)
3.3.3. KMIDATA: [8] (+ 0x08)
3.3.4. KMICLKDIV: [4] (+ 0x0C)
3.3.5. KMIIR: [2] (+ 0x10)
3.4. Interrupts
3.4.1. Interrupt generation logic
4. Programmer’s Model for Test
4.1. PrimeCell KMI test harness overview
4.2. Scan testing
4.3. Test registers
4.3.1. KMITCER [0] (+0x40–0x7c)
4.3.2. KMITCR [5] (+0x80)
4.3.3. KMITMR [4] (+0x84)
4.3.4. KMITISR [2] (+0x88)
4.3.5. KMITOCR [3] (+0x8c)
4.3.6. KMISTG1 [6] (+0x90)
4.3.7. KMISTG2 [5] (+0x94)
4.3.8. KMISTG3 [8] (+0x98)
4.3.9. KMISTATE [4] (+0x9c)
A. Signal Descriptions
A.1. AMBA APB signals
A.2. On-chip signals
A.3. Signals to pads

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The product described in this document is subject to continuousdevelopments and improvements. All particulars of the product andits use contained in this document are given by ARM in good faith.However, all warranties implied or expressed, including but notlimited to implied warranties of merchantability, or fitness forpurpose, are excluded.

This document is intended only to assist the reader in theuse of the product. ARM Limited shall not be liable for any lossor damage arising from the use of any information in this document,or any error or omission in such information, or any incorrect useof the product.

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ConfidentialityStatus

This document is Non-Confidential. The right to use, copyand disclose this document may be subject to license restrictionsin accordance with the terms of the agreement entered into by ARMand the party that ARM delivered this document to.

Product Status

The information in this document is final, that is for a developedproduct.

Revision History
Revision A January1999 First release
Revision B April1999 Second release
Revision C May1999 Third release
Copyright © 1999 ARM Limited. All rights reserved. ARM DDI 0143C
Non-Confidential