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參數(shù)資料
| 型號： | TSB82AA2I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1394b OHCI-LYNX CONTROLLER |
| 中文描述： | 的1394b OHCI的山貓控制器 |
| 文件頁數(shù)： | 89/104頁 |
| 文件大?。?/td> | 461K |
| 代理商： | TSB82AA2I |
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51
5 TI Extension Registers
The TI extension base address register provides a method of accessing memory-mapped TI extension registers. The
TI extension base address register is programmed with a base address referencing the memory-mapped TI extension
registers. See Section 3.10,
TI Extension Base Address Register
, for register bit field details. See Table 51 for the
TI extension register listing.
Table 51. TI Extension Register Map
REGISTER NAME
OFFSET
Reserved
00hA7Fh
Isochronous Receive DV Enhancment Set
A80h
Isochronous Receive DV Enhancment Clear
A84h
Link Enhancement Control Set
A88h
Link Enhancement Control Clear
A8Ch
Isochronous Transmit Context 0 Timestamp Offset
A90h
Isochronous Transmit Context 1 Timestamp Offset
A94h
Isochronous Transmit Context 2 Timestamp Offset
A98h
Isochronous Transmit Context 3 Timestamp Offset
A9Ch
Isochronous Transmit Context 4 Timestamp Offset
AA0h
Isochronous Transmit Context 5 Timestamp Offset
AA4h
Isochronous Transmit Context 6 Timestamp Offset
AA8h
Isochronous Transmit Context 7 Timestamp Offset
AA8h
5.1
DV Timestamp Enhancements
The DV timestamp enhancements are enabled by bit 8 (enab_dv_ts) in the link enhancement control register located
at PCI offset F4h and are aliased in TI extension register space at offset A88 (set) and A8Ch (clear).
The DV and MPEG transmit enhancements are enabled separately by bits in the link enhancement control register
located in PCI configuration space at PCI offset F4h. The link enhancement control register is also aliased as a
set/clear register in TI extension space at offset A88h (set) and A8Ch (clear).
Bit 8 (enab_dv_ts) of the link enhancement control register enables DV timestamp support. When enabled, the link
calculates a timestamp based on the cycle timer and the timestamp offset register and substitutes it in the SYT field
of the CIP once per DV frame.
Bit 10 (enab_mpeg_ts) of the link enhancement control register enables MPEG timestamp support. Two MPEG time
stamp modes are supported. The default mode calculates an initial delta that is added to the calculated timestamp
in addition to a user-defined offset. The initial offset is calculated as the difference in the intended transmit cycle count
and the cycle count field of the timestamp in the first TSP of the MPEG2 stream. The use of the initial delta can be
controlled by bit 31 (DisableInitialOffset) in the timestamp offset register (see Section 5.6,
Timestamp Offset
Register
).
5.2
MPEG2 Timestamp Procedure
The MPEG2 timestamp enhancements are enabled by bit 10 (enab_mpeg_ts) in the link enhancement control
register located at PCI offset F4h and aliased in TI extension register space at offset A88h (set) and A8Ch (clear).
When bit 10 (enab_mpeg_ts) is set to 1, the hardware applies the timestamp enhancements to isochronous transmit
packets that have the tag field equal to 01b in the isochronous packet header and a FMT field equal to 10h.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSB82AA2IPGE | 功能描述:接口 - 專用 OHCI-Lynx Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| TSB82AA2IPGEEP | 功能描述:1394 接口集成電路 Mil Enh 1394b OHCI- Lynx Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB82AA2PGE | 功能描述:1394 接口集成電路 OHCI-Lynx Controller RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB82AA2PGEG4 | 功能描述:1394 接口集成電路 OHCI-Lynx Controller RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB82AA2ZGW | 功能描述:1394 接口集成電路 OHCI-Lynx Controller RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
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