MCP4531 Microchip Technology Inc., MCP4531 Datasheet - Page 62

• Manufacturer Part Number: MCP4531
• Description: 7/8-bit Single/dual I 2 C Digital Pot With Non-volatile Memory
• Manufacturer: Microchip Technology Inc.

MCP454X/456X/464X/466X
FIGURE 7-6:
DS22107A-page 62
S
Note 1: Master Device is responsible for A / A signal. If a A signal occurs, the MCP45XX/46XX will
0 1 0
Fixed
Address
2: The Master Device will Not Acknowledge, and the MCP45XX/46XX will release the bus so the
Control Byte
abort this transfer and release the bus.
Master Device can generate a Stop or Repeated Start condition.
1
I
2
C Continuos Reads.
A2 A1 A0 1 A
Variable
Address
0
0
Read bit
0
0
0
0
0
0
0
0
0
0
0
0
0 D8 A
0
0
0
0
1
0 D8 A
D7 D6 D5 D4
Read Data bits
0 D8 A
Read bits
1
1
D7 D6 D5 D4
Read Data bits
D7 D6 D5 D4
Read Data bits
D3
D2 D1 D0 A
© 2008 Microchip Technology Inc.
D3
D3
D2 D1 D0 A
D2 D1 D0 A
1
STOP bit
2
1
P