Serial Controller. MCS9922 Datasheet

MCS9922 Controller. Datasheet pdf. Equivalent

MCS9922 Datasheet
Recommendation MCS9922 Datasheet
Part MCS9922
Description PCIe to Dual Serial Controller
Feature MCS9922; MCS9922 PCIe to Dual Serial Controller MCS9922 PCIe to Dual Serial Controller Datasheet Revision 2.0.
Manufacture ASIX
Datasheet
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ASIX MCS9922
MCS9922
PCIe to Dual Serial Controller
MCS9922
PCIe to Dual Serial Controller
Datasheet
Revision 2.00
Aug. 5th, 2011
1
Copyright © 2010-2011 ASIX Electronics Corporation. All rights reserved.



ASIX MCS9922
MCS9922
PCIe to Dual Serial Controller
IMPORTANT NOTICE
Copyright © 2010-2011 ASIX Electronics Corporation. All rights reserved.
DISCLAIMER
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical,
including photocopying and recording, for any purpose, without the express written permission of ASIX. ASIX may
make changes to the product specifications and descriptions in this document at any time, without notice.
ASIX provides this document “as is” without warranty of any kind, either expressed or implied, including without
limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Designers must not rely on the absence or characteristics of any features or registers marked “reserved”, “undefined”
or “NC”. ASIX reserves these for future definition and shall have no responsibility whatsoever for conflicts or
incompatibilities arising from future changes to them. Always contact ASIX to get the latest document before
starting a design of ASIX products.
TRADEMARKS
ASIX, the ASIX logo are registered trademarks of ASIX Electronics Corporation. All other trademarks are the
property of their respective owners.
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Copyright © 2010-2011 ASIX Electronics Corporation. All rights reserved.



ASIX MCS9922
MCS9922
PCIe to Dual Serial Controller
Table of Contents
1 Introduction .............................................................................................................................. 4
1.1 Block Diagram ............................................................................................................................... 4
1.2 Features ........................................................................................................................................ 5
1.3 Applications .................................................................................................................................. 6
1.4 Ordering information.................................................................................................................... 6
1.5 Support ......................................................................................................................................... 6
2 Pin Diagram ............................................................................................................................... 7
2.1 MCS9922CVAA Pin diagram ........................................................................................................ 7
3 Pin Description .......................................................................................................................... 8
3.1 Pin configurations ......................................................................................................................... 8
3.2 PCI Express Interface Signals ........................................................................................................ 9
3.3 Serial Port Interface Signals ........................................................................................................ 10
3.4 Cascade Interface Signals ........................................................................................................... 11
3.5 I2C Interface Signals .................................................................................................................... 12
3.6 GPIO Interface Signals ................................................................................................................ 12
3.7 Clock/Crystal Oscillator Interface Signals ................................................................................... 13
3.8 Test Mode Signals ....................................................................................................................... 13
3.9 JTAG Interface Signals................................................................................................................. 13
3.10 Power Supply Signals .................................................................................................................. 14
4 Function Mapping ................................................................................................................... 16
5 Functional Description ............................................................................................................ 17
5.1 PCIe Operation............................................................................................................................ 17
5.2 PCIe Configuration Space ........................................................................................................... 19
5.3 Serial Port ................................................................................................................................... 22
5.4 I2C................................................................................................................................................ 24
5.5 PM Control.................................................................................................................................. 25
5.6 Cascade Interface ....................................................................................................................... 26
5.7 Clocks and Resets ....................................................................................................................... 29
5.8 GPIO ............................................................................................................................................ 30
6 EEPROM Contents Layout ....................................................................................................... 31
7 Electrical Specifications........................................................................................................... 34
8 Mechanical Dimensions .......................................................................................................... 36
Revision History ............................................................................................................................ 37
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Copyright © 2010-2011 ASIX Electronics Corporation. All rights reserved.





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