SMSC USB2250 用户手册
Ultra F
a
st U
S
B
2.0 Mult
i-Slot F
lash Media Contr
o
ller
Dat
ashe
e
t
Revision 1.1 (0
5-29-
08)
27
SMSC USB2250/50
i/51/51
i
DA
T
T
A
SHEET
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
1
MA12
MA
0
--
--
MA
hw
--
--
4
MA14
MA
0
--
--
MA
hw
--
--
2
MA15
MA
0
--
--
MA
hw
--
--
3
nMWR
MA
1
--
--
MA
hw
--
--
121
GPIO3 (VBUS_DET)
GPIO
z
--
yes
GPIO
(fw)
(fw)
(fw)
5
GPIO5 (SDA)
GPIO
0
pu
--
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
6
REG_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