MAN-000670-000
Revision 1.8
March 12, 1999
USB0670/673
670: 5V PCI-USB ASIC
673: 3.3V PCI-USB ASIC
CMD Technology, Inc.
19 Morgan
Irvine, California 92618
(949) 454-0800
www.cmd.com
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Revision History
Revision
0.1
0.2
0.3
0.4
0.5
0.5A
Issue Date
01/05/96
01/12/96
01/15/96
01/17/96
01/23/96
3/8/96
Comments
Preliminary draft
Added Chapters 6, 7, 8
Corrections to all chapters
Corrections to all chapters. Added Chapter 9.
Changed identification of pin 25 to VSS/TEST1
in Chapter 2.
Removed description of legacy support and
inserted reference to OpenHCI Legacy Support
Interface Specification v. 0.8.
Added low-speed source electrical
characteristics in Chapter 6. Specified default
values for Command Register and Device
Status. Changed offsets for legacy support
registers, and bit definitions for HcRevision
Register. Deleted references to Em_Event bit.
Corrected DC Characteristics in Chapter 8.
Changed the descriptions for pins 1, 54, 73, and
97 in response to the release of OpenHCI
Legacy Support Interface Specification v. 1.01.
Added information for USB0673 chip
Minor corrections for first release
Corrected typographical error in USB0673
pinout diagram (Figure 2-2). Added Appendices
A and B.
Added Appendix C on bit stuffing.
Changed Figure 7-1 to remove input to pin 16.
Revised Appendix A.
In section 8.2, changed minimum value for
Input Voltage High (VIH) from 2.2 to 2.0.
Changed text in section 7.1.4; added sections
7.2 and 8.4 and figure 7-2.
Changed signal on pin 92 from VDD to UHCI on
both 670 and 673 pinout diagrams. Inserted pin
name UHCI for pin 92 in Table 2-2: removed
pin name VDD for pin 92 in same table. Added
information for signal name UHCI to Table 3-3.
Made numerous changes to text to better reflect
performance and function of the new version of
the silicon. Updated USB Specification revision
level to 1.1.
0.6
3/15/96
0.7
4/16/96
0.8
1.0
1.1
1.2
7/25/96
9/18/96
11/15/96
1/8/97
1.3
1.4
1.5
1.6
1.7
2/5/97
4/24/97
10/22/97
2/11/98
3/23/98
1.8
1/8/99
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Copyright
Copyright ©
1999, CMD Technology, Inc. All rights reserved
Portions of this document have been quoted from the following specifications:
Universal Serial Bus Specification,
revision 1.1, published by Compaq Computer
Corporation, Digital Equipment Corporation, IBM PC Company, Intel Corporation,
Microsoft Corporation, NEC, Northern Telecom.
OpenHCI: Open Host Controller Interface Specification for USB, revision 1.0, published
by Compaq Computer Corporation, Microsoft Corporation, and National Semiconductor
Corporation.
PCI Local Bus Specification,
revision 2.1, published by Intel Corporation.
Trademarks
PowerPC is a registered trademark of Motorola Corporation. Alpha is a registered
trademark of Digital Equipment Corporation. MIPS is a registered trademark of NEC
Corporation. UNIX is a registered trademark of UNIX System Laboratories. Compaq is
a registered trademark of Compaq Computer Corporation. Pentium is a registered
trademark of Intel Corporation. All product names are trademarks, registered
trademarks, or servicemarks of their respective owners.
Notice
CMD Technology reserves the right to make changes, without notice, in the product
described herein in order to improve design and/or performance. CMD assumes no
responsibility or liability for the use of any of this product, conveys no license or title
under any patent, copyright, or mask work right to this product, and makes no
representations or warranties that this product is free from patent, copyright, or mask
work right infringement, unless otherwise specified. Applications that are described
herein are for illustrative purposes only. CMD makes no representation or warranty that
such applications will be suitable for the specified purpose without further testing or
modification.
CMD Technology products are not designed for use in life support devices, or devices
where malfunction of a CMD semiconductor can reasonably be expected to result in a
personal injury. Customers using or selling CMD semiconductors for use in such
applications do so at their own risk and agree to fully indemnify CMD Technology for
any damages resulting from such improper use or sale.
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Table of Contents
Revision History .................................................................................................................. ii
Copyright ............................................................................................................................ iii
Trademarks......................................................................................................................... iii
Notice.................................................................................................................................. iii
1
Introduction
1.1
1.2
1.3
1-1
Features................................................................................................................... 1-1
Description .............................................................................................................. 1-2
Applicable Documents............................................................................................ 1-3
2
3
Pin Assignments
Signal Descriptions
3.1
3.2
3.3
3.4
2-1
3-1
PCI Bus Interface .................................................................................................... 3-1
PCI Arbiter ............................................................................................................... 3-3
USB Interface .......................................................................................................... 3-4
USB Legacy ............................................................................................................. 3-5
4
PCI Configuration Registers
4.1
4-1
Register Overview................................................................................................... 4-1
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
4.1.7
4.1.8
4.1.9
4.1.10
4.1.11
Vendor Identification Register ........................................................................... 4-2
Device Identification Number............................................................................. 4-2
Command Register ........................................................................................... 4-2
Device Status ................................................................................................... 4-3
Revision Identification ....................................................................................... 4-3
Class Code....................................................................................................... 4-3
Latency Timer................................................................................................... 4-4
OHCI Base Address Register............................................................................ 4-4
Subsystem ID and Subsystem Vendor ID (Available only on USB0670)............. 4-5
Capabilities Pointer (Available only on USB0670) ............................................ 4-5
Interrupt Line .................................................................................................. 4-5
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