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USB2229 Fiches technique(PDF) 23 Page - Microchip Technology

No de pièce USB2229
Description  5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs
PDF  28 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2229 Fiches technique(HTML) 23 Page - Microchip Technology

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 2005-2016 Microchip Technology Inc.
DS00002252A-page 23
USB2229/USB2230
8.0
GPIO USAGE
TABLE 8-1:
GPIO USAGE (ROM REV -11)
Name
Active Level
Symbol
Description and Note
GPIO1
H
Flash Media Activity LED/
xD_Door
Indicates media activity. Media or USB
cable must not be removed with LED lit.
Also may be used for xD Door
functionality
GPIO2
H
EE_CS
Serial EE PROM chip select
GPIO3
H
V_BUS
USB V bus detect
GPIO4
H
EE_DIN/EE_DOUT/xDID
Serial EE PROM input/output and xD
Identify
GPIO5
L
HS_IND/SD_CD
HS Indicator LED or SD Card Detect
Switch input
GPIO6
H
A16/ROMEN
A16 address line connect for DFU or
debug LED indicator optional.
GPIO7
H
EE_CLK/
UNCONF_LED
Serial EE PROM clock output or
Unconfigured LED.
GPIO8
L
MS_PWR_CTRL/
CRD_PWR0
Memory Stick Card Power Control, or
Internal Power FET0.
GPIO9
L
CF_PWR_CTRL
CompactFlash Card Power Control
GPIO10
L
SM_PWR_CTRL/
CRD_PWR1
SmartMedia Card Power Control, or
Internal Power FET1.
GPIO11
L
SD/MMC_PWR_CTRL/
CRD_PWR2
SD/MMC Card Power Control, or Internal
Power FET2.
GPIO12
H
MS_ACT_IND/
Media Activity
Memory Stick Activity Indicator, or Media
Activity LED.



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