参数资料
型号: DS2490S
厂商: Maxim Integrated Products
文件页数: 3/50页
文件大小: 0K
描述: IC BRIDGE CLIP USB TO 1-W 24SOIC
标准包装: 31
应用: USB
接口: 1 线
电源电压: 3 V ~ 5.5 V
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
安装类型: 表面贴装
DS2490
11 of 50
1-Wire Interface Alternate Setting Summary Table 2
Alt Setting
EP1
poll interval
EP2/EP3
max packet size
Alternate Setting Description
0
10ms
16 bytes
Long interrupt polling interval, small packet size for
bulk pipes
1
10ms
64 bytes
Long interrupt polling interval, large packet size for
bulk pipes
2
1ms
16 bytes
Short interrupt polling interval, small packet size
for bulk pipes
3
1ms
64 bytes
Short interrupt polling interval, large packet size for
bulk pipes
Endpoint Feature Summary Table 3
Endpoint
#
Transaction
Type
Direction1
Max. Packet Size
0
CONTROL
IN/OUT
ALT I/F-0..3: 8 bytes
1
INTERRUPT
IN
ALT I/F-0..3 32 bytes
ALT I/F-0:
16 bytes
ALT I/F-1:
64 bytes
ALT I/F-2:
16 bytes
2
BULK
OUT
ALT I/F-3:
64 bytes
ALT I/F-0:
16 bytes
ALT I/F-1:
64 bytes
ALT I/F-2:
16 bytes
3
BULK
IN
ALT I/F-3:
64 bytes
1. Direction in this table is in reference to the Host
USB Core Commands Table 4
Standard Device Requests
Target Element
Range
Notes
SET_ADDRESS
Device
0x01 - 0x1F
SET_CONFIGURATION
Device
0x00 - 0x01
1
GET_CONFIGURATION
Device
0x00 - 0x01
GET_DESCIPTOR
Device
2
GET_INTERFACE
Interface 0
Interface 0: 0x00 - 0x03
3
SET_INTERFACE
Interface 0
Interface 0: 0x00 - 0x03
3
SET_FEATURE
Device
4
CLEAR_FEATURE
Device
4
GET_STATUS
Device, Interfaces,
Endpoints 0-3
5, 6
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