Datasheet

 2008-2013 Microchip Technology Inc. DS22107B-page 59
MCP454X/456X/464X/466X
FIGURE 7-2: I
2
C Write Sequence.
FIGURE 7-3: I
2
C Continuous Volatile Wiper Write.
Control Byte
WRITE Command Write Data bits
1010SA2A1A00 0
AD
AD
AD
AD
A0xD8AD3D7 D6 D5 D4 D2 D1 D0 A P
0123
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Write “Data” bits
Write bit
STOP bit
Control Byte
WRITE Command Write Data bits
1010SA2A1A00 0A0xD8AD3D7 D6 D5 D4 D2 D1 D0 A
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Write “Data” bits
WRITE Command Write Data bits
00xD8A D3D7 D6 D5 D4 D2 D1 D0 A
WRITE Command Write Data bits
00xD8A D3D7 D6 D5 D4 D2 D1 D0 A P
Write bit
AD
AD
AD
AD
0123
AD
AD
AD
AD
0123
AD
AD
AD
AD
0123
Note:
Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, and 04h)
or the TCON register