Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Datasheet
Chapter 10 GPIO Usage
Table 10.1 GPIO Usage (ROM Rev 0x00)
SYMBOL
NAME
ACTIVE LEVEL
DESCRIPTION AND NOTE
LED indicator
GPIO1
GPIO2
H
H
LED1
RXD / SDA
Receive Port of Debugger / Serial
EEPROM Data
GPIO4
GPIO6
GPIO7
USER
GPIO
User defined
L
SD_WP
SD Write Protect
H
TXD / SCK / MS_SKT_SEL
Transmit Port of Debugger / Serial
EEPROM Clock / Memory Stick Socket
(1 = 8 bit; 0 = 4 bit)
GPIO10
GPIO12
GPIO14
GPIO15
L
L
L
L
CRD_PWR
MS_INS
Card Power Control
Memory Stick Card Insertion
xD card detect
xD_nCD
SD_nCD
Secure Digital card detect
Revision 2.6 (05-08-08)
SMSC USB2240/USB2241
DATA2S8HEET
SMSC [ SMSC CORPORATION ]
