Zilog Z08470 - Manual (Page 259)

Z80 CPU Peripherals
User Manual
UM008101-0601 Serial Input/Output
239
Figure 112. Synchronous Formats
Message Flow
Beginning
Beginning
Beginning
(A) MONOSYNC Message Format (Internal SYNC Detected)
(B) BISYNC Message Format (Internal SYNC Detected)
(C) External SYNC Detect Format
0 7
0 7 0 7
7 0
7 0
7 0
15 8
15 8
15 8
Data Field
CRC
Character
CRC
Character
#1 #2
#1 #2
#1 #2
#1 #2
SYNC
Character
SYNC
Character
SYNC
Character
CRC
Character
CRC
Character
CRC
Character
CRC
Character
Data Field
Data Field