參數(shù)資料
型號(hào)： uPSD3234
廠商： 意法半導(dǎo)體
英文描述： Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器)
中文描述： 閃存可編程系統(tǒng)器件與8032微控制器內(nèi)核（嵌入高速“8032微控制器核”的閃存型可編程系統(tǒng)器）
文件頁(yè)數(shù)： 14/54頁(yè)
文件大小： 736K
代理商： UPSD3234
AN1886 - APPLICATION NOTE
14/54
Get_Descriptor
requests while incrementing the Descriptor Index. A device will return the last descriptor
set to requests with an index greater than the last number defined in the HID descriptor.
Table 12. Components of a Get_Descriptor Request
Get_Report Request
The
Get_Report
request allows the host to receive a report via the Control pipe. This request is mandatory
and must be supported by all devices. The fields of this are described in
Table 13.
.
This request is useful at initialization time for absolute items, and for determining the state of feature items.
This request is not intended to be used for polling the device state on a regular basis. The
Interrupt In
pipe
should be used for recurring Input reports. The Input report reply has the same format as the reports from
Interrupt pipe. An
Interrupt Out
pipe may optionally be used for low latency Output reports. Output reports
over the Interrupt Out pipe have a format that is identical to output reports that are sent over the Control
pipe, if an
Interrupt Out
endpoint is not declared.
Table 13. Components of a Get_Report Request
SET_Report Request
The
Set_Report
request allows the host to send a report to the device, possibly setting the state of input,
output, or feature controls. The fields of this are described in
Table 14.
.
The meaning of the request fields for the
Set_Report
request is the same as that for the
Get_Report
re-
quest, however the data direction is reversed, and the Report Data is sent from host to device. A device
might choose to ignore input
Set_Report
requests. Alternatively these reports could be used to reset the
origin of a control (that is, current position should report zero). The effect of sent reports will also depend
on whether the recipient controls are absolute or relative.
Part
Standard USB Descriptor
HID Class Descriptor
bmRequestType
100 xxxxx
10000001
bRequest
GET_DESCRIPTOR (0x06)
GET_DESCRIPTOR (0x06)
wValue
Descriptor Type and Descriptor Index
Descriptor Type and Descriptor Index
wIndex
0 (zero) or Language
Interface Number
wLength
Descriptor Length
Descriptor Length
Data
Descriptor
Descriptor
Part
Description
bmRequestType
1010 0001 (0xA1) - CLASS_INTERFACE_TO_HOST
bRequest
GET_REPORT (0x01)
wValue
high byte
Report Type
01 - Input
02 - Output
03 - Feature
04 to FF - Reserved
low byte
Report ID
Set to 0 (zero) if Report IDs are not
used
wIndex
Interface
wLength
Report Length
Data
Report
相關(guān)PDF資料
PDF描述
uPSD3251(中文) Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
uPSD3251 Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
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參數(shù)描述
UPSD32348V24V6ES 制造商:ST MICRO 功能描述:*
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UPSD3234A-24T1T 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
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