Figure 112. synchronous formats – Zilog Z08470 User Manual
Page 259
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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
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