参数资料
型号: DS2490Y
厂商: Maxim Integrated Products
文件页数: 36/50页
文件大小: 0K
描述: IC BRIDGE CLIP USB TO 1-W 24SOIC
标准包装: 1,000
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
41 of 50
COMMUNICATION COMMANDS
PULSE
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
F
NTF
ICP
0
byte 1:
0
1
0
IM
wIndex
0x0000
wLength
0x0000
1-WIRE RESET
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
PST
0
F
NTF
ICP
0
byte 1:
0
1
0
SE
0
1
IM
wIndex
byte 2
byte 1
byte 2 – 0x00 (unused)
byte 1 – new speed:
0x02 with SE = 1 after Overdrive Skip ROM
0x01 or 0x00 with SE = 1 in all other cases
don’t care with SE = 0
wLength
0x0000
BIT I/O
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
CIB
0
SPU
0
NTF
ICP
0
byte 1:
0
1
0
D
0
IM
wIndex
byte 2
byte 1
byte 2 – 0x00 (unused)
byte 1 – 0x00 (unused)
wLength
0x0000
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