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| 型號： | ISP1130 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal Serial Bus compound hub with integrated keyboard controller |
| 中文描述： | 通用串行總線控制器與集成鍵盤復(fù)合樞紐 |
| 文件頁數(shù)： | 11/68頁 |
| 文件大小： | 1786K |
| 代理商： | ISP1130 |
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Philips Semiconductors
ISP1130
USB compound hub with keyboard controller
Objective specification
Rev. 01 — 23 March 2000
11 of 68
9397 750 06895
Philips Electronics N.V. 2000. All rights reserved.
7.
Endpoint descriptions
Each USB device is logically composed of several independent endpoints. An
endpoint acts as a terminus of a communication flow between the host and the
device. At design time each endpoint is assigned a unique number (endpoint
identifier, see
Table 3
). The combination of the device address (given by the host
during enumeration), the endpoint number and the transfer direction allows each
endpoint to be uniquely referenced.
7.1 Endpoint configuration
The ISP1130 hub has 1 to 2 downstream ports and 1 to 3 embedded functions. The
upstream and downstream ports are fully handled by hardware and require no
firmware intervention. Downstream port 2 can be disabled by connecting both D
+
and
D
to V
CC
.
The number of embedded functions can be configured from 1 to 3 via the USBCONA
register. These embedded functions give access to the keyboard controller and other
optional software functions. The functions are assigned as follows:
Embedded function 1: standard keyboard
Embedded function 2:
–
multimedia functions (e.g. volume control)
–
ACPI system control
–
application launch keys
Embedded function 3: user-defined functions.
Each embedded function has two endpoint types: endpoint 0 (control) and endpoint 1
(generic: bulk and/or interrupt). The embedded function endpoints can handle a
maximum of 8 bytes per transfer.
Table 3:
Function
Endpoint allocation
Ports
Endpoint
identifier
0
Transfer
type
control
Endpoint
index
-
[2]
-
[2]
-
[2]
0
1
2
3
4
5
6
7
Direction
[1]
Max. packet
size (bytes)
64
64
1
8
8
8
8
8
8
8
8
Hub
0: upstream
1, 2
[4]
:
downstream
OUT
IN
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
1
0
interrupt
control
Embedded
Function 1
3 (or 2
[5]
)
1
generic
[3]
Embedded
Function 2
4 (or 3
[5]
)
0
control
1
generic
[3]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1130DL | Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1130N | Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1160 | Embedded Universal Serial Bus Host Controller |
| ISP1160BD | Embedded Universal Serial Bus Host Controller |
| ISP1160BM | Embedded Universal Serial Bus Host Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1130DL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1130N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1160 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BD,157 | 功能描述:USB 接口集成電路 USB 1.1 HOST 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 |
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