SMSC USB4640i ユーザーズマニュアル
High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i
11
Revision 1.0 (06-01-09)
DATASHEET
Chapter 3 Pin Configuration
Figure 3.1 USB4640/USB4640i 48-Pin QFN
Ground Pad
(must be connected to VSS)
SMSC
USB4640/40i
(Top View QFN-48)
Indicates pins on the bottom of the device.
nRESET
38
39
GPIO1 / LED / TXD
37
TEST
40
VDD12
41
HSIC_STROBE
43
XTAL2
44
XTAL1 (CLKIN)
45
RBIAS
48
VDD33
47
PLLFILT
46
HSIC_DAT
42
VDD33
1
USBDN
_
DM
2
2
USBDN_
DP
2
3
USBDN
_
DM
3
4
USBDN_
DP
3
5
PRTCTL
2
6
PRTCTL
3
7
SPI
_CE_
n
8
SPI_C
L
K
/ GPIO4
/ SC
L
9
VDD33
10
SPI_
D
I
11
SPI_
D
O
/ GPIO
5
/
SD
A
/
SPI_
SPD_SE
L
12
21
SD_CLK / MS_BS / xD_nWP
20
SD_D6 / MS_D7 / xD_D0
19
SD_D7 / MS_D6 / xD_D1
18
SD_D0 / MS_D4 / xD_D2
17
CRFILT
16
SD_D1 / MS_D5 / xD_D3
15
VDD33
14
GPIO15 / SD_nCD
13
GPIO6 / SD_WP / MS_SCLK / xD_D4
23
SD_D5 / MS_D1 / xD_ALE
22
xD_nWE
24
35
GPIO
2 / RXD
34
GP
IO
10 (
C
R
D
_P
W
R
)
33
VDD3
3
32
S
D
_D
3
/ MS
_D
3
/ x
D
_D
6
31
GP
IO
12 /
MS
_I
N
S
30
S
D
_D
4
/ MS
_D
2
/ x
D
_D
7
29
GP
IO
14 /
xD
_n
CD
28
xD
_
nB/
R
36
S
D
_D
2 /
xD_
D
5
27
xD
_
nR
E
26
xD
_
nC
E
25
VDD3
3
SD_CMD / MS_D0 / xD_CLE
HSIC_IMP