USB97C223-NU SMSC [SMSC Corporation], USB97C223-NU Datasheet - Page 16

• Manufacturer Part Number: USB97C223-NU
• Description: Bus Powered USB 2.0 Flash Media Controller
• Manufacturer: SMSC [SMSC Corporation]

6.2
6.3
Revision 1.5 (01-06-05)
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
GPIO13
GPIO14
GPIO15
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
H
H
H
H
H
H
H
H
H
H
L
L
L
L
Table 6.2 - USB97C223 Buffer Type Descriptions
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
Table 6.3 - GPIO Usage ( ROM Rev 0x00)
Unused
EE_CS
V_BUS
EE_DIN/EE_DOUT
HS Ind.
A16 ( external ROM only )
/ROMEN
EE_CLK
MS Power Control
CF Power Control
SM Power Control
SD Power Control
MS/MSPro Activity
CF Activity
SM/XDActivity
SD/MMC Activity
DATASHEET
SYMBOL
Page 16
DESCRIPTION
Unused output; NC
Serial EE PROM chip select
USB V bus detect
Serial EE PROM input/output
High Speed USB indicator
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
CompactFlash Activity Indicator
SmartMedia/XD Activity Indicator
SD/MMC Activity Indicator
DESCRIPTION AND NOTE
Bus Powered USB 2.0 Flash Media Controller
SMSC USB97C223
Datasheet