參數(shù)資料
型號: ISP1161BD
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Full-speed Universal Serial Bus single-chip host and device controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 25/127頁
文件大?。?/td> 2762K
代理商: ISP1161BD
Philips Semiconductors
ISP1161
Full-speed USB single-chip host and device controller
Product data
Rev. 01 — 3 July 2001
25 of 130
9397 750 08313
Philips Electronics N.V. 2001. All rights reserved.
The PTD data structure is used by the HC to define a buffer of data that will be moved
to or from an endpoint in the USB device. This data buffer is set up for the current
frame (1 ms frame) by the firmware, the HC Driver. The payload data for every
transfer in the frame must have a PTD as a header to describe the characteristic of
the transfer. PTD data is DWORD aligned.
9.3.1
PTD data header definition
The PTD forms the header of the PTD data. It tells the HC the transfer type, where
the payload data should go, and the payload data’s actual size. A PTD is an 8-byte
data structure that is very important for HC Driver programming.
Table 4:
Bit
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Philips Transfer Descriptor (PTD): bit allocation
7
6
5
4
3
2
1
0
ActualBytes[7:0]
CompletionCode[3:0]
Active
Toggle
ActualBytes[9:8]
MaxPacketSize[7:0]
EndpointNumber[3:0]
Last
Speed
MaxPacketSize[9:8]
TotalBytes[7:0]
DirectionPID[1:0]
TotalBytes[9:8]
Format
FunctionAddress[6:0]
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ISP1181ABS,518 功能描述:USB 接口集成電路 USB 1.1 ADV DEVICE 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