參數(shù)資料
型號(hào): ISP1161ABM
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 總線(xiàn)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: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64
文件頁(yè)數(shù): 30/134頁(yè)
文件大小: 587K
代理商: ISP1161ABM
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Philips Semiconductors
ISP1161A
Full-speed USB single-chip host and device controller
Product data
Rev. 03 — 23 December 2004
30 of 134
9397 750 13962
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ATL buffer length = 400H, ITL buffer length = 200H.
This is insufficient use of the internal FIFO buffer RAM.
ATL buffer length = 1000H, ITL buffer length = 0H.
This will use the internal FIFO buffer RAM for only ATL transfers.
The actual requirement for the buffer RAM need not reach the maximum size. You
can make your selection based on your application. The following are some
calculations of the ISO_A or ISO_B space for a frame of data:
Maximum number of useful data sent during one USB frame is 1280 bytes (20
ISO packets of 64 bytes). The total RAM size needed is:
20
×
8 + 1280 = 1440 bytes.
Maximum number of packets for different endpoints sent during one USB frame is
150 (150 ISO packets of 1 byte). The total RAM size needed is:
150
×
8 + 150
×
1 = 1350 bytes.
The Ping buffer RAM (ITL0) and the Pong buffer RAM (ITL1) have a maximum size
of 2 kbytes each. All data needed for one frame can be stored in the Ping or the
Pong buffer RAM.
When the embedded system wants to initiate a transfer to the USB bus, the data
needed for one frame is transferred to the ATL buffer or ITL buffer. The
microprocessor detects the buffer status through the interrupt routines. When the
HcBufferStatus register (2CH - read only) indicates that the buffer is empty, then the
microprocessor writes data into the buffer. When the HcBufferStatus register
indicates that the buffer is full, the data is ready on the buffer, and the microprocessor
needs to read data from the buffer.
During every 1 ms, there might be many events to generate interrupt requests to the
microprocessor for data transfer or status retrieval. However, each of the interrupt
types defined in this specification can be enabled or disabled by setting the
Hc
μ
PInterruptEnable register bits accordingly.
Fig 26. HC internal FIFO buffer RAM partitions.
MGT950
not used
ATL buffer
ITL0
top
bottom
ITL1
ISO_A
FIFO buffer RAM
ISO_B
control/bulk/interrupt
data
programmable
sizes
4 kbytes
ITL buffer
ATL
相關(guān)PDF資料
PDF描述
ISP1161 Full-speed Universal Serial Bus single-chip host and device controller
ISP1161A1 Universal Serial Bus single-chip host and device controller
ISP1161A1BD Universal Serial Bus single-chip host and device controller
ISP1161A1BM Universal Serial Bus single-chip host and device controller
ISP1161BD Full-speed Universal Serial Bus single-chip host and device controller
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ISP1161ABM,518 功能描述:USB 接口集成電路 DO NOT USE ORDER ISP1161A1BM RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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
ISP1161ABM,551 功能描述:USB 接口集成電路 DO NOT USE ORDER ISP1161A1BM RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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
ISP1161ABM,557 功能描述:USB 接口集成電路 DO NOT USE ORDER ISP1161A1BM RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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
ISP1161ABM-S 功能描述:IC USB HOST CTRL FULL-SPD 64LQFP RoHS:是 類(lèi)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(lèi)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(lèi)型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:36-QFN(6x6) 包裝:* 其它名稱(chēng):Q6396337A
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