參數(shù)資料
型號(hào): ISP1761BE
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Hi-Speed Universal Serial Bus On-The-Go controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT425-1, LQFP-128
文件頁(yè)數(shù): 87/158頁(yè)
文件大?。?/td> 724K
代理商: ISP1761BE
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9397 750 13258
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 12 January 2005
87 of 158
Philips Semiconductors
ISP1761
Hi-Speed USB OTG controller
7. The B-device turns on its pull-up.
8. After waiting 30
μ
s to ensure that the DP line is not HIGH because of the residual
effect of the A-device pull-up, the A-device notices that the DP-line is HIGH and the
DM line is LOW, indicating that the B-device is signaling a connect and is ready to
respond as a peripheral. At this point, the A-device becomes a host and asserts the
bus reset to start using the bus.
9.4.2
OTG state diagrams
Figure 15
and
Figure 16
show the state diagrams for the dual-role A-device and the
dual-role B-device, respectively. For a detailed explanation, refer to On-The-Go
Supplement to the USB 2.0 Specification Rev. 1.0a
The OTG state machine is implemented with software. The inputs to the state machine
come from four sources: hardware signals from the USB bus, software signals from the
application program, internal variables with the state machines, and timers:
Hardware inputs: Include id, a_vbus_vld, a_sess_vld, b_sess_vld, b_sess_end,
a_conn, b_conn, a_bus_suspend, b_bus_suspend, a_bus_resume, b_bus_resume,
a_srp_det and b_se0_srp. All these inputs can be derived from the OTG Interrupt and
OTG Status registers.
Software inputs: Include a_bus_req, a_bus_drop and b_bus_req.
Internal variables: Include a_set_b_hnp_en, b_hnp_enable and b_srp_done.
Timers: The HNP state machine uses four timers: a_wait_vrise_tmr,
a_wait_bcon_tmr, a_aidl_bdis_tmr and b_ase0_brst, tmr. All timers are started on
entry to and reset on exit from their associated states. The ISP1761 provides a
programmable timer that can be used as any of these four timers.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1761BE,518 功能描述:USB 接口集成電路 USB HS 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
ISP1761BE,551 功能描述:USB 接口集成電路 DO NOT USE ORDER -T OR NO "-" 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
ISP1761BE,557 功能描述:USB 接口集成電路 USB HS OTG CTRLR 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
ISP1761BE518 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB OTG 128LQFP
ISP1761BEGE 功能描述:IC USB CTRL HI-SPEED 128LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:36-QFN(6x6) 包裝:* 其它名稱:Q6396337A