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參數資料
| 型號： | ISP1181DGG |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | INDUCTOR 4.7NH +-.3NH 0402 SMD |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PDSO48 |
| 封裝： | 6.10 MM, PLASTIC, TSSOP-48 |
| 文件頁數： | 32/69頁 |
| 文件大小： | 1655K |
| 代理商： | ISP1181DGG |
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Philips Semiconductors
ISP1181
Full-speed USB interface
Objective specification
Rev. 01 — 13 March 2000
32 of 69
9397 750 06896
Philips Electronics N.V. 2000. All rights reserved.
12.1.8
Reset Device
This command resets the ISP1181 in the same way as an external hardware reset via
input RESET. All registers are initialized to their ‘reset’ values.
Code (Hex): F6 —
reset the device
Transaction —
none
12.2 Data flow commands
Data flow commands are used to manage the data transmission between the USB
endpoints and the system microcontroller. Much of the data flow is initiated via an
interrupt to the microcontroller. The data flow commands are used to access the
endpoints and determine whether the endpoint FIFOs contain valid data.
Remark:
The IN buffer of an endpoint contains input data
for
the host, the OUT buffer
receives output data
from
the host.
12.2.1
Write/Read Endpoint Buffer
This command is used to access endpoint FIFO buffers for reading or writing. First,
the buffer pointer is reset to the beginning of the buffer. Following the command, a
maximum of (N
+
2) bytes can be written or read, N representing the size of the
endpoint buffer. For 16-bit access the maximum number of words is (M + 1), with M
given by (N
+
1) DIV 2. After each read/write action the buffer pointer is automatically
incremented by 1 (8-bit bus width) or by 2 (16-bit bus width).
In DMA access the first 2 bytes or the first word (the packet length) are skipped:
transfers start at the third byte or the second word of the endpoint buffer. When
reading, the ISP1181 can detect the last byte/word via the EOP condition. When
writing to a bulk/interrupt endpoint, the endpoint buffer must be completely filled
before sending the data to the host. Exception: when a DMA transfer is stopped by an
external EOT condition, the current buffer content (full or not) is sent to the host.
Remark:
Reading data after a Write Endpoint Buffer command or writing data after a
Read Endpoint Buffer command data will cause unpredictable behaviour of ISP1181.
Code (Hex): 01 to 0F —
write (control IN, endpoint 1 to 14)
Code (Hex): 10, 12 to 1F —
read (control OUT, endpoint 1 to 14)
Transaction —
write/read maximum N
+
2 bytes (isochronous endpoint: N
≤
1023,
bulk/interrupt endpoint: N
≤
32)
The data in the endpoint FIFO must be organized as shown in
Table 30
. Examples of
endpoint FIFO access are given in
Table 31
(8-bit bus) and
Table 32
(16-bit bus).
相關PDF資料 |
PDF描述 |
|---|---|
| ISP1183 | Low-power Universal Serial Bus interface device with DMA |
| ISP1183BS | Low-power Universal Serial Bus interface device with DMA |
| ISP1301 | Universal Serial Bus On-The-Go transceiver |
| ISP1301BS | Universal Serial Bus On-The-Go transceiver |
| ISP1362 | Single-chip Universal Serial Bus On-The-Go controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISP1183 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-power Universal Serial Bus interface device with DMA |
| ISP1183BS | 功能描述:IC USB HOST CTRL LOW-SPD 32HVQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應商設備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
| ISP1183BS,118 | 功能描述:USB 接口集成電路 FULL-SPD USB2 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 |
| ISP1183BS,151 | 功能描述:USB 接口集成電路 FULL-SPD USB2 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 |
| ISP1183BS,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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