2
Agere Systems Inc.
FW323 05
1394A PCI PHY/Link Open Host Controller Interface
Data Sheet, Rev. 2
October 2001
Table of Contents
Contents
Page
Features ...................................................................................................................................................................1
FW323 Functional Overview ....................................................................................................................................7
Other Features .........................................................................................................................................................7
FW323 Functional Description ...........................................................................................................................7
PCI Core ............................................................................................................................................................7
Isochronous Data Transfer ................................................................................................................................8
Asynchronous Data Transfer .............................................................................................................................8
Asynchronous Register ......................................................................................................................................8
Serial EEPROM Interface ..................................................................................................................................9
Link Core ............................................................................................................................................................9
PHY Core ...........................................................................................................................................................9
Pin Information .......................................................................................................................................................13
Application Schematic ............................................................................................................................................18
Internal Registers ...................................................................................................................................................20
PCI Configuration Registers ............................................................................................................................20
Vendor ID Register ..........................................................................................................................................21
Device ID Register ...........................................................................................................................................22
PCI Command Register ...................................................................................................................................23
PCI Status Register .........................................................................................................................................25
Class Code and Revision ID Register ..............................................................................................................26
Latency Timer and Class Cache Line Size Register ........................................................................................27
Header Type and BIST Register ......................................................................................................................28
OHCI Base Address Register ..........................................................................................................................30
PCI Subsystem Identification Register .............................................................................................................32
PCI Power Management Capabilities Pointer Register ....................................................................................32
Interrupt Line and Pin Register ........................................................................................................................33
MIN_GNT and MAX_LAT Register ..................................................................................................................34
PCI OHCI Control Register ..............................................................................................................................35
Capability ID and Next Item Pointer Register ..................................................................................................37
Power Management Capabilities Register .......................................................................................................38
Power Management Control and Status Register ............................................................................................40
Power Management Extension Register ..........................................................................................................42
OHCI Registers ................................................................................................................................................43
OHCI Version Register ....................................................................................................................................46
GUID ROM Register ........................................................................................................................................48
Asynchronous Transmit Retries Register .........................................................................................................50
CSR Data Register ..........................................................................................................................................52
CSR Compare Register ...................................................................................................................................54
CSR Control Register ......................................................................................................................................56
Configuration ROM Header Register ...............................................................................................................58
Bus Identification Register ...............................................................................................................................60
Bus Options Register .......................................................................................................................................62
GUID High Register .........................................................................................................................................64
GUID Low Register ..........................................................................................................................................66
Configuration ROM Mapping Register .............................................................................................................68
Posted Write Address Low Register ................................................................................................................70
Posted Write Address High Register ...............................................................................................................72
Vendor ID Register ..........................................................................................................................................74
Host Controller Control Register ......................................................................................................................76
Self-ID Count Register .....................................................................................................................................80
Isochronous Receive Channel Mask High Register .........................................................................................82