UCS1003-2 datasheet(78/138 Pages) MICROCHIP

Il numero della parte	UCS1003-2

Spiegazioni elettronici	USB Port Power Controller with Charger Emulation

PDF	138 Pages

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Produttore elettronici	MICROCHIP [Microchip Technology]

Homepage	http://www.microchip.com

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78 / 138 page

UCS1003-1/2/3

DS20005346B-page 78

 2014-2015 Microchip Technology Inc.

10.4.4

ATTACH DETECTION

CONFIGURATION RESISTER

The contents of this register are retained in Sleep.

R/W-0

R/W-1

R/W-0

R/W-1

R/W-0

RESERVED

DISCHG_TIME_SEL<1:0>

ATT_TH<1:0>(1)

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-4

Reserved:

Do not change

bit 3-2

DISCHG_TIME_SEL<1:0>:

tDISCHARGE Time Setting bits

= 100 ms

= 200 ms

= 300 ms

= 400 ms

bit 1-0

ATT_TH<1:0>:

Attach/Removal Detection Threshold bits(1)

Determines the Attach Detection threshold (IDET_QUAL) and Removal Detection thresholds

(IREM_QUAL_DET and IREM_QUAL_ACT) as shown below.

= 200 µA Attach, 100 µA Removal Threshold

= 400 µA Attach, 300 µA Removal Threshold

= 800 µA Attach, 700 µA Removal Threshold

= 1000 µA Attach, 900 µA Removal Threshold

Note 1:

The Removal Threshold is different when operating in the Active power state versus when operating in the

Detect power state.

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