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Sundance SMT391-VP User Manual

Page 20

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Version 1.3

Page 20 of 41

SMT391-VP User Manual

0xF Reserved

Figure 4 – Packet Structure – Defined Commands.

Example 1:

Sending 0x1001FFFF over Comport3 from the Host to the SMT391-VP will Write, to
Address 0x001, Data FFFF

Example 2:

Sending 0x2801xxxx over Comport3 from the Host to the SMT391-VP will request a
Read, from Address 0x801. Once this command is received by the SMT391-VP, the
requested data will automatically be transmitted back over Comport 3, following the
same packet structure.