— Interoperability with existing, as well as older,
1394 consumer electronics and peripherals
products.
— Support low-power system designs (CMOS
implementation and power management fea-
tures).
— LPS, LKON, and CNA outputs to support legacy
power management implementations.
OHCI:
— Complies with the
1394 OHCI 1.1 Specification.
— OHCI 1.0 backwards compatible: configurable
via PCI bus commands to operate in either
OHCI 1.0 or OHCI 1.1 mode.
— Listed on
Windows
hardware compatibility list
http://www.microsoft.com/hcl/results.asp.
— Compatible with
Microsoft Windows
and
MacOS
®
operating systems.
— 4 Kbyte isochronous transmit FIFO.
— 2 Kbyte asynchronous transmit FIFO.
— 4 Kbyte isochronous receive FIFO.
— 2 Kbyte asynchronous receive FIFO.
— Dedicated asynchronous and isochronous
descriptor-based DMA engines.
— Eight isochronous transmit/receive contexts.
— Prefetches isochronous transmit data.
— Supports posted write transactions.
— Supports parallel processing of incoming physi-
cal read and write requests.
— May be used without an EEPROM when the
system BIOS is programmed with the EEPROM
contents.
1394a-2000 PHY core:
— Compliant with
IEEE
®
1394a-2000, Standard
for a High Performance Serial Bus.
— Provides three fully compliant cable ports, each
supporting 400 Mbits/s, 200 Mbits/s, and
100 Mbits/s traffic.
— Does not require external filter capacitor for
PLL.
— Supports link-on as a part of the internal
PHY core-link interface.
— Supports arbitrated short bus reset to improve
utilization of the bus.
— Supports multispeed packet concatenation.
— Supports PHY pinging and remote PHY access
packets.
— Reports cable power fail interrupt when voltage
at CPS pin falls below 7.5 V.
PCI:
— Revision 2.2 compliant.
— 33 MHz/32-bit operation.
— Programmable burst size thresholds for PCI
data transfer.
— Supports optimized memory read line, memory
read multiple, and memory write invalidate burst
commands.
— Supports
PCI Bus Power Management Interface
Specification
v.1.1.
— Supports CLKRUN# protocol per PCI Mobile
Design Guide.
— Supports
Mini PCI Specification
v1.0, including
Mini PCI
®
power requirements.
— CardBus support per PC card standard
release 8.0, including 128 bytes of on-chip tuple
memory.
1.1 Other Features
CMOS process
3.3 V operation, 5 V tolerant inputs
I
2
C serial ROM interface
FW323 NV129 1394a
PCI PHY/Link Open Host Controller Interface
Data Sheet
November 2005
Table of Contents
Contents
Page
1 Features ....................................................................................................................................................................... 1
1.1 Other Features ................................................................................................................................................... 1
3.2 OHCI Data Transfer ........................................................................................................................................... 9
3.3 OHCI Isochronous Data Transfer ...................................................................................................................... 9
3.5 OHCI Asynchronous Data Transfer ................................................................................................................. 10
3.7 Link Core .......................................................................................................................................................... 12
4 Ball Information .......................................................................................................................................................... 16
5.5 PCI Status Register ......................................................................................................................................... 25
5.6 Class Code and Revision ID Registers ............................................................................................................ 26
5.7 Latency Timer and Cache Line Size Register .................................................................................................. 26
5.8 Header Type and BIST Register ...................................................................................................................... 27
5.9 OHCI Base Address Register .......................................................................................................................... 27
5.11 PCI Power Management Capabilities Pointer Register ................................................................................. 28
5.12 Interrupt Line and Pin Register ...................................................................................................................... 28
5.13 MIN_GNT and MAX_LAT Register ................................................................................................................ 29
5.14 PCI OHCI Control Register ............................................................................................................................ 29
5.15 Capability ID and Next Item Pointer Register ................................................................................................ 30
5.16 Power Management Capabilities Register ..................................................................................................... 31
5.17 Power Management Control and Status Register .......................................................................................... 32
5.18 Power Management CSR PCI-to-PCI Bridge Support Extensions ................................................................ 33
5.19 Power Management Data .............................................................................................................................. 33
5.46 Fairness Control Register ............................................................................................................................... 51
5.47 Link Control Register ...................................................................................................................................... 52
5.63 Isochronous DMA Control .............................................................................................................................. 63
5.64 Asynchronous DMA Control ........................................................................................................................... 64
5.65 Link Options ................................................................................................................................................... 65
14 Ordering Information ................................................................................................................................................ 79
Table 3. Test, Reset, Clock, and Configuration Signals .........................................................................................19
Table 4. Power Signals ..........................................................................................................................................21
Table 5. Bit-Field Access Tag Description .............................................................................................................22
Table 46. Fairness Control Register Description ...................................................................................................51
Table 47. Link Control Register Description ...........................................................................................................52
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