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參數資料
型號： ISP1161A
廠商： NXP Semiconductors N.V.
英文描述： Full-speed Universal Serial Bus single-chip host and device controller
中文描述： 全速通用串行總線的單芯片主機和設備控制器
文件頁數： 38/134頁
文件大小： 587K
代理商： ISP1161A
Philips Semiconductors
ISP1161A
Full-speed USB single-chip host and device controller
Product data
Rev. 03 — 23 December 2004
38 of 134
9397 750 13962
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.5.2
Control transaction limitations
The different phases of a Control transfer (SETUP, Data and Status) should never be
put in the same ATL.
9.6 Microprocessor loading
The maximum amount of data that can be transferred for an endpoint during one
frame is 1023 bytes. The number of USB packets that are needed for this batch of
data depends on the maximum packet size that is specified.
The HCD has to schedule the transactions in a frame. On the other hand, the HCD
must have the ability to handle the interrupts coming from the HC every 1 ms. It must
also be able to do the scheduling for the next frame, reading the frame information
from and writing the next frame information to the buffer RAM in the time between the
end of the current frame and the start of the next frame.
9.7 Internal pull-down resistors for downstream ports
There are four internal 15 k
pull-down resistors built into the ISP1161A for the two
downstream ports: two resistors for each port. These resistors are software
selectable by programming bit 12 (2_DownstreamPort15K resistorsel) of the
HcHardwareConfiguration register (20H - read, A0H - write). When bit 12 is logic 0,
external 15 k
pull-down resistors are used. If bit 12 is set to logic 1, the internal
15 k
pull-down resistors are used. See
Figure 33
.
This feature is a cost-saving option. However, the power-on reset default value of
bit 12 is logic 0. If using the internal resistors, the HCD must set this bit status after
every reset, because a reset action (hardware or software) will clear this bit.
Fig 32. HC time domain behavior: example 3.
MGT956
(frame N)
(frame N
+
1)
(frame N
+
2)
(frame N
+
3)
相關PDF資料
PDF描述
ISP1161ABD Full-speed Universal Serial Bus single-chip host and device controller
ISP1161ABM Full-speed Universal Serial Bus single-chip host and device controller
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ISP1161A1BD Universal Serial Bus single-chip host and device controller
相關代理商/技術參數
參數描述
ISP1161A1 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus single-chip host and device controller
ISP1161A1BD 功能描述:IC USB HOST/DEVICE CTRLR 64-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
ISP1161A1BD,118 功能描述:USB 接口集成電路 USB1.1 HOST &DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BD,151 功能描述:USB 接口集成電路 USB1.1 HOST &DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BD,157 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
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