Motorola SE955 Integration Manual page 204

EVENT
Description: Indicate selected events occurred
Packet Format
Length Opcode
0x05 0xF6
Field Descriptions
Field Name
Length Length of message (not including
checksum)
Opcode 0xF6
Message Source 0 = Decoder
Status Bit 0: Retransmit
Bit 1-7: Unused
Event Code Type of Event Code
Checksum 2's complement sum of message
contents excluding checksum
The decoder sends this message when an enabled event occurs. Use
0xF0 0X00 through 0xF0 0X07 to determine which events should be reported.
Host Requirements
The host receives this message when a selected event occurs.
Decoder Requirements
Generate this message when a selected event occurs.
Message Source
0x00
Format
Simple Serial Interface 10 - 17
Status Event Code
Size
1 Byte Length field
1 Byte Identifies this Opcode type
1 Byte Identifies where the message is
coming from
1 Byte Identifies the transmission status
Unused bits must be set to 0
1 Byte See Table 8-2 on page 8-73
2 Bytes Checksum of message
Table 8-2 on page
Checksum
Description
8-73, and parameters