参数资料
型号: USB-100
厂商: Fujitsu Semiconductor America Inc
文件页数: 65/143页
文件大小: 0K
描述: KIT STARTER FOR USB
标准包装: 1
类型: MCU
适用于相关产品: MB91F662
所含物品: 板,线缆
产品目录页面: 722 (CN2011-ZH PDF)
相关产品: 865-1099-ND - IC MCU 512KB FLASH FR80 120-LQFP
其它名称: 865-1108
Table 4.9-1 shows the PID types (which indicates the status of the packet being sent) defined
for USB.
Table 4.9-1 PID types
PID type
PID name PID[3:0] Description
OUT
0001b
Notification from the host to the function that it is about to send
data.
Token
Data
Handshake
Special*
IN
SOF
SETUP
DATA0
DATA1
ACK
NAK
STALL
PRE
1001b
0101b
1101b
0011b
1011b
0010b
1010b
1110b
1100b
Notification from the function to the host that it is about to send
data.
Notifies the start of a frame.
Notification for starting control transfer.
Data packet (even)
Data packet (odd)
Notification that the data packet was successfully received.
Notification that the data packet was not received successfully,
or is unable to communicate.
Notification that the specified endpoint has an error, and that
action is required of the host.
Notification that the host is about to start Low Speed transfer.
* Not supported by the MB91F662.
4.10 Device class
In the USB standard, devices that have common functionality, and that are capable of using the
same driver are defined as a device class. Examples of device classes are printers, monitors,
hubs, memory devices (HAD and USB memory devices). Mice and keyboards are defined as an
HID (Human Interface Device) even though they don't have the same number of keys, because
they have the same functionality. This allows developers to develop new devices for a given
device class without developing a new device driver.
64
相关PDF资料
PDF描述
USBMLCF USB BDM INTERFACE MC P&E
USBMLPPCBDM MULTILINK P&E POWERPC USB
V-9767-L DOOR ECONOGLAS 19" LOCKING
VC-9931 CABINT VISNCB 20.54X23.62X23.62"
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