参数资料
型号: XR21V1412IL-0B-EB
厂商: Exar Corporation
文件页数: 6/32页
文件大小: 0K
描述: EVAL BOARD FOR XR21V1412IL
产品培训模块: UART Product Overview
XR21V141x Full-Speed USB UART Family
标准包装: 1
主要目的: 接口,USB 2.0 至 UART
嵌入式:
已用 IC / 零件: XR21V1412IL
已供物品:
其它名称: 1016-1426
XR21V1412
14
2-CH FULL-SPEED USB UART
REV. 1.3.0
2.0
USB CONTROL COMMANDS
The following table shows all of the USB Control Commands that are supported by the V1412. Commands
included are standard USB commands, CDC-ACM commands and custom Exar commands. .
TABLE 4: SUPPORTED USB CONTROL COMMANDS
NAME
REQUEST
TYPE
REQUEST
VALUE
INDEX
LENGTH
DESCRIPTION
DEV GET_STATUS
0x80
0
2
0
Device: remote wake-up +
self-powered
IF GET_STATUS
0x81
0
1-4,
129-
132
0
2
0
Interface: zero
EP GET_STATUS
0x82
0
0-4,
129-
136
0
2
0
Endpoint: halted
DEV CLEAR_FEATURE
0x00
1
0
Device remote wake-up
EP CLEAR_FEATURE
0x02
1
0
0-4,
129-
136
0
Endpoint halt
DEV SET_FEATURE
0x00
3
1
00
0
Device remote wake-up
DEV SET_FEATURE
0x00
3
2
0
test
0
Test mode
EP SET_FEATURE
0x02
3
0
0-4,
129-
136
0
Endpoint halt
SET_ADDRESS
0x00
5
addr
0
GET_DESCRIPTOR
0x80
6
0
1
0
len
LSB
len
MSB
Device descriptor
GET_DESCRIPTOR
0x80
6
0
2
0
len
LSB
len
MSB
Configuration descriptor
GET_CONFIGURATION
0x80
8
0
1
0
SET_CONFIGURATION
0x00
9
n
0
GET_INTERFACE
0x81
10
0
0-7
0
1
0
CDC_ACM_IF
SET_LINE_CODING
0x21
32
0
0, 2,
4, 6
0
7
0
Set the UART baud rate,
parity, stop bits, etc.
CDC_ACM_IF
GET_LINE_CODING
0xA1
33
0
0, 2,
4, 6
0
7
0
Get the UART baud rate,
parity, stop bits, etc.
CDC_ACM_IF
SET_CONTROL_LINE_
STATE
0x21
34
val
0
0, 2,
4, 6
0
Set UART control lines
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