MCP4641 datasheet(52/102 Pages) MICROCHIP

部件名	MCP4641

功能描述	7/8-Bit Single/Dual I2C Digital POT with Volatile Memory

PDF	102 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

52 / 102 page

MCP453X/455X/463X/465X

DS22096B-page 52

 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

Reserved

—

03h

Reserved

—

04h

(2)

Volatile TCON Register Write Data

nn nnnn nnnn

Read Data

(3)

nn nnnn nnnn

05h

(2)

Reserved

Read Data

(3)

nn nnnn nnnn

Maps to nonvolatile

MCP45XX/46XX device’s

STATUS Register

06h - 0Fh

(2)

Reserved

—

Note

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.

I2C read operation will read 2 bytes, of which the 10-bits of data are contained within.

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