參數(shù)資料
型號： ISP1362
廠商： NXP Semiconductors N.V.
英文描述： Single-chip Universal Serial Bus On-The-Go controller
中文描述： 單芯片通用串行總線和On - The - Go控制器
文件頁數(shù)： 17/150頁
文件大小： 647K
代理商： ISP1362
Philips Semiconductors
ISP1362
Single-chip USB OTG controller
Product data
Rev. 03
—
06 January 2004
17 of 150
9397 750 12337
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Figure 5
provides a snapshot of a sample ATL or INTL buffer area of 256 bytes with a
block size of 64 bytes. The HCD may put a PTD with payload size of up to 64 bytes
but not more. Depending on the ATL or INTL buffer size, up to 32 ATL blocks and
32 INTL blocks can be allocated. Note that a portion of the ATL or INTL buffer
remains unused. This is allowed but can be avoided by choosing the appropriate ATL
or INTL buffer size and block size.
The ISTL0 or ISTL1 buffer memory (for isochronous transfer) uses a different
memory management scheme (see
Figure 6
). There is no
fi
xed block size for the
ISTL buffer memory. While the PTD header remains 8 bytes for all PTDs, the PTD
payload can be of any size. The PTD payload, however, is padded to the next DWord
boundary when the HC calculates the location of the next PTD header. The
ISP1362 HC checks the payload size from the
‘
Total size
’
fi
eld of the PTD itself and
calculates the location of the next PTD header based on this information.
Fig 5.
A sample snapshot of the ATL or INTL memory management scheme.
004aaa055
8 bytes PTD header
64 bytes PTD header
Payload area
8 bytes PTD header
64 bytes PTD header
Payload area
8 bytes PTD header
64 bytes PTD header
Payload area
Block of 72 bytes
(64 + 8,
where 64 is the block size defined)
72 bytes
72 bytes
Starting address of the
ATL or INTL buffer area
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1362BD 功能描述:USB 接口集成電路 USB OTG CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1362BD,118 功能描述:USB 接口集成電路 USB OTG CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1362BD,151 功能描述:USB 接口集成電路 USB OTG CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1362BD,157 功能描述:USB 接口集成電路 USB OTG CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1362BD157 制造商:NXP Semiconductors 功能描述:IC CONTROLLER USB-OTG 64LQFP 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB OTG 64-LQFP
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