MCP413X/415X/423X/425X
7.5.2
CONTINUOUS WRITES
Continuous writes are possible only when writing to the
volatile memory registers (address 00h, 01h, and 04h).
Figure 7-3 shows the sequence for three continuous
writes. The writes do not need to be to the same volatile
memory address.
COMMAND BYTE
DATA BYTE
A
D
3
A
D
2
A
D
1
A
D
0
0
0
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
SDI
1
1
1
1
1
0
1
0
1*
1
1
1
1
1
1
1
1
1
SDO
A
D
3
A
D
2
A
D
1
A
D
0
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
1
1
1
1
0
1
0
1*
1
1
1
1
1
1
1
1
1
A
D
3
A
D
2
A
D
1
A
D
0
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
1
1
1
1
1
1*
1
1
1
1
1
1
1
1
1
Note 1: If a Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be
driven low until the CS pin is driven inactive (VIH).
FIGURE 7-3:
Continuous Write Sequence.
DS22060B-page 52
© 2008 Microchip Technology Inc.
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