USB2227-NU-05 Standard Microsystems (SMSC), USB2227-NU-05 Datasheet - Page 25

• Manufacturer Part Number: USB2227-NU-05
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2227-NU-05

• Lead Free Status / RoHS Status: Supplier Unconfirmed

4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs
Datasheet
Chapter 8 GPIO Usage
SMSC USB2227/USB2228
GPIO10
GPIO12
GPIO13
GPIO14
GPIO15
GPIO11
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
NAME
ACTIVE
LEVEL
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
Table 8.1 GPIO Usage (ROM Rev -11)
Flash Media Activity LED/
xD_Door
EE_CS
V_BUS
EE_DIN/EE_DOUT/xDID
HS_IND/SD_CD
A16/ROMEN
EE_CLK/
UNCONF_LED
MS_PWR_CTRL/
CRD_PWR0
CF_PWR_CTRL
SM_PWR_CTRL/
CRD_PWR1
SD/MMC_PWR_CTRL/
CRD_PWR2
MS_ACT_IND/
Media Activity
CF_ACT_IND
SM_ACT_IND
SD/MMC_ACT_IND
DATASHEET
SYMBOL
25
Indicates media activity. Media or USB
cable must not be removed with LED lit.
Also may be used for xD Door
functionality
USB V bus detect
Serial EE PROM input/output and xD
Identify
HS Indicator LED or SD Card Detect
Switch input
A16 address line connect for DFU or
debug LED indicator optional.
Serial EE PROM clock output or
Unconfigured LED.
Memory Stick Card Power Control, or
Internal Power FET0.
CompactFlash Card Power Control
SmartMedia Card Power Control, or
Internal Power FET1.
SD/MMC Card Power Control, or
Internal Power FET2.
Memory Stick Activity Indicator, or
Media Activity LED.
CompactFlash Activity Indicator
SmartMedia Activity Indicator
SD/MMC Activity Indicator
Serial EE PROM chip select
DESCRIPTION AND NOTE
Revision 1.93 (11-01-07)