Compal Electronics Inc PICONODE Manual De Usuario
PicoNode Integration Specification
32
opcode =SmsgREQ (1011)
buffer size=255 (11111111)
The SMsg exchange is followed by the SHdr exchange, which includes the payload of the ACK
message.
message.
MISO: 0110110000000001000010000000000000110000000000001111000011110000101001
0110100101
0110100101
MOSI: 10101100000000010000000000000000000000000000000000000000000000000000
000000000000
000000000000
These bits indicate:
MISO: from slave to master (01)
length of message=2 (10)
opcode=SHdrACK (1100)
Hard coded byte=1 (00000001)
Payload:
length=8 (0000100000000000)
message type=ACK (0011000000000000)
trailing sequence (11110000111100001010010110100101)
MOSI: from master to slave (10)
length of message=2 (10)
opcode =ShdrREQ (1100)
Hard coded byte=1 (00000001)
Unused Extra Data (0000…...0)