MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 56

• Manufacturer Part Number: MCP4431
• Description: 7/8-bit Volatile Quad Digital Pot With I 2c Interface
• Manufacturer: Microchip Technology Inc.

MCP443X/5X
TABLE 7-2:
DS22267A-page 56
0Bh - 0Fh Reserved
Note
0Ah
04h
05h
Value
00h
01h
02h
03h
06h
07h
08h
09h
(2)
(2)
(2)
1:
2:
3:
Address
Volatile Wiper 0
Volatile Wiper 1
Reserved
Reserved
Volatile
TCON 0 Register
—
Volatile Wiper 2
Volatile Wiper 3
Reserved
Reserved
Volatile
TCON 1 Register
The Data Memory is only 9-bits wide, so the MSb is ignored by the device.
Increment or Decrement commands are invalid for these addresses.
I
2
C read operation will read 2 bytes, of which the 10-bits of data are contained within.
Function
MEMORY MAP AND THE SUPPORTED COMMANDS
Write Data
Read Data
Increment Wiper
Decrement Wiper
Write Data
Read Data
Increment Wiper
Decrement Wiper
—
—
Write Data
Read Data
Read Data
Write Data
Read Data
Increment Wiper
Decrement Wiper
Write Data
Read Data
Increment Wiper
Decrement Wiper
—
—
Write Data
Read Data
—
Command
(
(
(
(
(
(
(
3
3
3
3
3
3
3
)
)
)
)
)
)
)
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
(10-bits)
Data
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
Comment
Maps to Non-Volatile MCP444x/6x device’s
STATUS Register
 2010 Microchip Technology Inc.