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Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08) 24 SMSC USB2250/50i/51/51i
DATASHEET
52 SM_ALE SM
zpd--
SM hw pd --
53 SM_CLE SM
zpd--
SM hw pd --
47 SM_nWP SM
zpd--
SM (fw) pd --
38 SM_nWPS SM
z----
SM z pu yes
57 GPIO14(SM_nCD) GPIO
zpuyes
GPIO (fw) (fw) (fw)
91 MS_BS MS
zpd--
MS hw hw --
101 MS_SCLK MS
zpd--
MS hw hw --
94 MS_D0/MS_SDIO MS
zpd--
MS hw pd yes
92 MS_D1 MS
zpd--
MS hw hw yes
96 MS_D2 MS
zpd--
MS hw pd yes
99 MS_D3 MS
zpd--
MS hw pd yes
95 MS_D4 MS
zpd--
MS hw pd yes
93 MS_D5 MS
zpd--
MS hw hw yes
97 MS_D6 MS
zpd--
MS hw pd yes
100 MS_D7 MS
zpd--
MS hw pd yes
98 GPIO12(MS_INS) GPIO
zpuyes
GPIO (fw) (fw) (fw)
20 SD_CMD SD
z----
SD hw
pu
yes
18 SD_CLK SD
z----
SD hw
--
yes
12 SD_D0 SD
z----
SD hw pu yes
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