USB2223-03 SMSC Corporation, USB2223-03 Datasheet - Page 15

• Manufacturer Part Number: USB2223-03
• Description: BUS POWERED USB 2.0 FLASH MEDIA CONTROLLER
• Manufacturer: SMSC Corporation

Bus Powered USB2.0 Flash Media Controller
Datasheet
6.2
6.3
SMSC USB2223-03
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
Buffer Type Descriptions
GPIO Usage Table
NAME
BUFFER
I/O8PU
I/O8PD
OCLKx
ICLKx
I/OD8
I/O-U
I/O8
O-U
OIA
IPU
IPD
O8
I-U
IS
I
ACTIVE
LEVEL
H/L
H
H
H
H
H
H
H
Table 6.2 - USB2223-03 Buffer Type Descriptions
L
L
L
L
Input
Input with controlled internal weak pull-up resistor.
Input with controlled internal weak pull-down resistor.
Input with Schmitt trigger
Input/Output with 8mA drive
Input/Open drain output … 8mA sink
Output with 8mA drive
Input/Output with 8mA drive controlled weak pull-up resistor
Input/Output with 8mA drive controlled weak pull-down resistor
XTAL clock input
XTAL clock output
Analog Input/Output Defined in USB specification
Analog Output
Analog Input
Special analog Input/Output
ACT
EE_CS
V_BUS
EE_DIN/EE_DOUT
HSLED/SD_CD
A16 ( external ROM only )
/ROMEN
EE_CLK
MS Power Control
CF Power Control
SM Power Control
SD Power Control
MS/MSPro Activity
DATASHEET
Table 6.3 - GPIO Usage
SYMBOL
Page 15
DESCRIPTION
Media Activity LED
Serial EE PROM chip select
USB V bus detect
Serial EE PROM input/output
High Speed LED Indicator Output/
SD Card Detect Input. The
function of this pin is set by
programming of the attribute bits.
In the production ROM version
HS LED output
Int/Ext ROM select. External
program memory A16 address line
connect for DFU.
Serial EE PROM clock output
Memory Stick Card Power Control
CompactFlash Card Power Control
SmartMedia Card Power Control
SD/MMC Card Power Control
Memory Stick(/Pro) Activity
Indicator
(-03), the default is to be used as
DESCRIPTION AND NOTE
Revision 1.2 (09-21-04)