参数资料
型号: DS2490
英文描述: USB to 1-Wire Bridge Chip
中文描述: USB与1-Wire桥接芯片
文件页数: 28/50页
文件大小: 530K
代理商: DS2490
DS2490
28 of 50
033199
Command parameters:
2 bytes: 1 byte 1-Wire command, 1 byte number of devices. The 1-
Wire command is a valid command for addressing a 1-Wire device.
The number of devices byte specifies the maximum number of devices
to be discovered in a single command call. A value of 0x00 indicates
that all devices on the MicroLAN are to be discovered.
Length
8 bytes
ROM ID of the 1-Wire device to be accessed (SM=0)
or ROM ID with which to start the search (SM=1).
Length
Description
If SM=0: None
No data is returned.
If SM=1: Varies, blocks
of 8 bytes.
bytes discrepancy information (if RTS=1 and the
numbers of devices on the MicroLAN is higher than
specified in the second parameter.
Code
Condition
EOS, NRS
ICP=0 and an error condition.
EP2 data:
EP3 data:
ROM IDs of the devices discovered followed by 8
Result Register:
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