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Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08) 27 SMSC USB2250/50i/51/51i
DATASHEET
16 GPIO11/CARD_PWR3 GPIO
z----
GPIO (fw) (fw) (fw) PWR VDD -- --
103 TEST TEST
z--yes
TEST
z--yes
64 nRESET nRESET
z--yes
nRESET
z--yes
1MA12 MA
0----
MA hw -- --
4MA14 MA
0----
MA hw -- --
2MA15 MA
0----
MA hw -- --
3nMWR MA
1----
MA hw -- --
121 GPIO3 (VBUS_DET) GPIO
z--yes
GPIO (fw) (fw) (fw)
5 GPIO5 (SDA) GPIO
0pu--
GPIO (fw) (fw) (fw)
55 SM_nRE SM
z----
SM hw (fw) --
48 SM_nWE SM
z----
SM hw (fw) --
56 SM_nB/R SM
z----
SM z (fw) yes
54 SM_nCE SM
z----
SM hw (fw) --
7 USB+ USB+
z----
USB+ z hw hw
8 USB- USB-
z----
USB- z hw hw
127 RBIAS
124 XTAL1(CLKIN)
123 XTAL2
6REG_EN
RESET STATE
Post-Reset State
xD Mode
Post-Reset State
SD Mode
Post-Reset State
MS Mode
PIN PIN NAME FUNCTION
OUT-
PUT
PU/
PD
IN-
PUT
FUNCTION
OUT-
PUT
PU/
PD
IN-
PUT
FUNCTION
OUT-
PUT
PU/
PD
IN-
PUT
FUNCTION
OUT-
PUT
PU/
PD
IN-
PUT