参数资料
型号: MSM6636GS-K
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 41.6K bps, LOCAL AREA NETWORK CONTROLLER, PDSO24
封装: 0.430 INCH, 1.27 MM PITCH, PLASTIC, SOP-24
文件页数: 6/73页
文件大小: 646K
代理商: MSM6636GS-K
MSM6636/6636B User’s Manual
Communication Formats
2 – 3
[IFR Type 0]
SOF
Header
DATA
CRC EOF
Frame format when an in-frame response is not requested.
[IFR Type 1]
ID
SOF
Header
DATA
CRC EOD
EOF
Responder sends ID as an in-frame response.
ID is 1 byte only. Therefore, the number of bytes for sending data is a maximum of 7 bytes.
[IFR Type 2]
ID1
SOF
Header
DATA
CRC EOD
IDn
EOF
Multiple responders send ID sequentially as in-frame responses.
IDs are sent in sequence from the responder with the highest priority ID.
[IFR Type 3]
SOF
Header
DATA
CRC EOD
IFR DATA CRC EOF
One selected responder returns multi-byte data with CRC as IFR.
(B) Physical address or functional address of receive node
The Y bit at the 1st byte (A) of 3-byte header determines whether an address is physical or functional. The 2nd
type (B) indicates the target address.
(C) Physical address of transmit node
Indicates the physical address (ID) of transmit node.
(D) Data
0 to 8 bytes of arbitrary data to transmit is written. Data can be increased/decreased in byte units. The maximum
number of bytes is 8, including response.
(E) In-frame response (IFR)
Determined by the bit configuration of message type at the 1st byte (A) of header. See the classification table of
IFR types.
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