参数资料
型号: DS2490Y
厂商: Maxim Integrated Products
文件页数: 42/50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
47 of 50
MODE COMMANDS
1-WIRE SPEED
Setup Packet Encoding:
bmRequestType
0x40
bRequest
MODE_CMD
wValue
MOD_1WIRE_SPEED
wIndex
byte 2
byte 1
byte 2 – 0x00
byte 1 – 1-Wire speed:
Code specifying communication speed of the 1-Wire bus. See
MODE CONTROL section for code definition.
wLength
0x0000
STRONG PULLUP
DURATION
Setup Packet Encoding:
bmRequestType
0x40
bRequest
MODE_CMD
wValue
MOD_STRONG_PU_DURATION
wIndex
byte 2
byte 1
byte 2 – 0x00
byte 1 – Unsigned 8-bit binary number specifying the pullup
duration. See MODE CONTROL section for byte bit weighting and
additional format information.
wLength
0x0000
PULLDOWN SLEW RATE
Setup Packet Encoding:
bmRequestType
0x40
bRequest
MODE_CMD
wValue
MOD_PULLDOWN_SLEWRATE
wIndex
byte 2
byte 1
byte 2 – 0x00
byte 1 – Code specifying the typical pulldown slew rate. See MODE
CONTROL section for code definition.
wLength
0x0000
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