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參數(shù)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(shù)： | 34/69頁 |
| 文件大?。?/td> | 1655K |
| 代理商： | ISP1181DGG |
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Philips Semiconductors
ISP1181
Full-speed USB interface
Objective specification
Rev. 01 — 13 March 2000
34 of 69
9397 750 06896
Philips Electronics N.V. 2000. All rights reserved.
When a stalled endpoint is unstalled (either by the Set Endpoint Status command or
by receiving a SETUP token), it is also re-initialized. This flushes the buffer: in and if it
is an OUT buffer it waits for a DATA 0 PID, if it is an IN buffer it writes a DATA 0 PID.
Code (Hex): 40 to 4F —
write (control OUT, control IN, endpoint 1 to 14)
Code (Hex): 50 to 5F —
read (control OUT, control IN, endpoint 1 to 14)
Transaction —
write/read 1 byte
12.2.3
Validate Endpoint Buffer
This command signals the presence of valid data for transmission to the USB host, by
setting the Buffer Full flag of the selected IN endpoint. This indicates that the data in
the buffer is valid and can be sent to the host, when the next IN token is received. For
a double-buffered endpoint this command switches the current FIFO for CPU access.
Remark:
For special aspects of the control IN endpoint see
Section 9.5
.
Code (Hex): 61 to 6F —
validate endpoint buffer (control IN, endpoint 1 to 14)
Transaction —
none
Table 33: Endpoint Status Register: bit allocation
Bit
7
Symbol
EPSTAL
6
5
4
3
2
1
0
EPFULL1
EPFULL0
reserved
OVER
WRITE
0
R
SETUPT
CPUBUF
reserved
Reset
Access
0
0
R
0
R
0
0
R
0
R
0
R/W
R/W
R/W
Table 34: Endpoint Status Register: bit description
Bit
Symbol
7
EPSTAL
Description
Writing a logic 1 will stall the endpoint. The endpoint is
automatically unstalled upon reception of a SETUP token.
Reading this bit indicates whether the endpoint is stalled or not
(1 = stalled, 0 = not stalled).
A logic 1 indicates that the secondary endpoint buffer is full.
A logic 1 indicates that the primary endpoint buffer is full.
reserved
This bit is set by hardware, a logic 1 indicating that a new Setup
packet has overwritten the previous setup information, before it
was acknowledged or before the endpoint was stalled. This bit is
cleared by reading, if writing the setup data has finished.
Firmware must check this bit before sending an Acknowledge
Setup command or stalling the endpoint. Upon reading a logic 1
the firmware must stop ongoing setup actions and wait for a new
Setup packet.
A logic 1 indicates that the buffer contains a Setup packet.
This bit indicates which buffer is currently selected for CPU
access (0 = primary buffer, 1 = secondary buffer).
reserved
6
5
4
3
EPFULL1
EPFULL0
-
OVERWRITE
2
1
SETUPT
CPUBUF
0
-
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| 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(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
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| 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(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(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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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