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MCP4651 Datasheet(PDF) 56 Page - Microchip Technology

Part # MCP4651
Description  7/8-Bit Single/Dual I2C Digital POT with Nonvolatile Memory
PDF  102 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP4651 Datasheet(HTML) 56 Page - Microchip Technology

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MCP454X/456X/464X/466X
DS22107B-page 56
 2008-2013 Microchip Technology Inc.
TABLE 7-2:
MEMORY MAP AND THE SUPPORTED COMMANDS
Address
Command Operation
Data
(10-bits) (1)
Comment
Value
Function
00h
Volatile Wiper 0
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
—
Decrement Wiper
—
01h
Volatile Wiper 1
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
—
Decrement Wiper
—
02h
Non Volatile Wiper 0
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
—
Wiper Lock 0 Disable
High Voltage Decrement
—
Wiper Lock 0 Enable
03h
Non Volatile Wiper 1
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
—
Wiper Lock 1 Disable
High Voltage Decrement
—
Wiper Lock 1 Enable
04h (2) Volatile TCON Register
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
05h (2) Status Register
Read Data (3)
nn nnnn nnnn
06h (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
07h (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
08h (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
09h (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Ah (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Bh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Ch (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Dh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Eh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Fh
Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
—
Write Protect Disable
High Voltage Decrement
—
Write Protect Enable
Note
1:
The Data Memory is only 9-bits wide, so the MSb is ignored by the device.
2:
Increment or Decrement commands are invalid for these addresses.
3:
I2C read operation will read 2 bytes, of which the 10-bits of data are contained within.



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