MITSUBISHI <DIGITAL ASSP>
M35500AFP/BGP
SERIAL COMMUNICATION FORMAT (DISPLAY DATA, A-D OUTPUT)
FLD(VFD) CONTROLLER
17 or more segments (3-byte transfer)
CS
CLK
SIN
Command 0
SEG
0-7
SEG SEG SEG
8-15 16-17 0-7
SEG SEG SEG
8-15 16-17 0-7
SEG SEG
8-15 16-17
DIG n
DIG n-1
DIG n-2
SEG SEG SEG
0-7 8-15 16-17
DIG 0
SOUT
X
X
AD AD AD AD AD AD
0
1
2
3
4
5
X
X
X
X
X
AD valid data
Note: 2 bytes “X” data is output before outputting AD valid data.
16 or less segments (2-byte transfer)
CS
CLK
SIN
Command 0
SEG
0-7
SEG
8-15
SEG
0-7
SEG
8-15
SEG
0-7
SEG
8-15
SEG
0-7
SEG
8-15
SEG
0-7
DIG n
DIG n-1
DIG n-2
DIG n-3
SEG SEG
0-7 8-15
DIG 0
SOUT
X
X
AD AD AD AD AD AD
0
1
2
3
4
5
X
X
X
X
X
AD valid data
Note: 2 bytes “X” data is output before outputting AD valid data.
8 or less segments (2-byte transfer)
CS
CLK
SIN
SOUT
Command 0
SEG
0-7
dummy
data
SEG
0-7
dummy
data
SEG
0-7
dummy
data
SEG
0-7
dummy
data
SEG
0-7
DIG n
DIG n-1
DIG n-2
DIG n-3
SEG dummy
0-7 data
DIG 0
X
X
AD AD AD AD AD AD
0
1
2
3
4
5
X
X
X
X
X
AD valid data
Note: 2 bytes “X” data is output before outputting AD valid data.
Fig. 6. Serial communication format
6