MCP4641-104ESLASHMS datasheet(59/92 Pages) MICROCHIP

部件名	MCP4641-104E/MS

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

PDF	92 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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59 / 92 page

DS22107A-page 59

MCP454X/456X/464X/466X

FIGURE 7-2:

I2C Write Sequence.

FIGURE 7-3:

I2C Continuous Volatile Wiper Write.

Control Byte

WRITE Command

Write Data bits

010

SA2 A1 A0 0

AD AD AD AD

A0 x D8 A

D7 D6 D5 D4

D2 D1 D0 A P

Fixed

Address

Variable

Address

Device

Memory

Address

Command

Write “Data” bits

Write bit

STOP bit

Control Byte

WRITE Command

Write Data bits

SA2 A1 A0 0

A0 x D8 A

D7 D6 D5 D4

D2 D1 D0 A

Fixed

Address

Variable

Address

Device

Memory

Address

Command

Write “Data” bits

WRITE Command

Write Data bits

00 x D8 A

D7 D6 D5 D4

D2 D1 D0 A

WRITE Command

Write Data bits

00 x D8 A

D7 D6 D5 D4

D2 D1 D0 A P

Write bit

AD AD AD AD

Note:

Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, and 04h)

or the TCON register

MCP4641-104E/MS 数据表(PDF) 59 Page - Microchip Technology

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