Datasheet – SMSC USB464 User Manual
Page 26
High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
Revision 1.0 (06-01-09)
26
SMSC USB4640/USB4640i
DATASHEET
8
SPI_CE_n
SPI_CE_n
1
--
9
SPI_CLK / GPIO4 / SCL
GPIO
0
--
10
SPI_DO / GPIO5 / SDA / SPI_SPD_SEL
GPIO
0
--
11
SPI_DI
SPI_DI
IP
PD
13
GPIO6 / SD_WP / MS_SCLK / xD_D4
GPIO
0
--
14
GPIO15 / SD_nCD
GPIO
IP
PU
17
SD_D1 / MS_D5 / xD_D3
none
Z
--
18
SD_D0 / MS_D4 / xD_D2
none
Z
--
19
SD_D7 / MS_D6 / xD_D1
none
Z
--
20
SD_D6 / MS_D7 / xD_D0
none
Z
--
21
SD_CLK / MS_BS / xD_nWP
none
Z
--
22
xD_nWE
xD_nWE
Z
--
23
SD_D5 / MS_D1 / xD_ALE
none
Z
--
24
SD_CMD / MS_D0 / xD_CLE
none
Z
--
26
xD_nCE
xD_nCE
Z
--
27
xD_nRE
xD_nRE
Z
--
28
xD_nB/R
xD_nB/R
Z
--
29
GPIO14 / xD_nCD
GPIO
IP
PU
30
SD_D4 / MS_D2 / xD_D7
none
Z
--
31
GPIO12 / MS_INS
GPIO
IP
PU
32
SD_D3 / MS_D3 / xD_D6
none
Z
--
33
SD_D2 / xD_D5
none
Z
--
35
GPIO10 (CRD_PWR)
GPIO
Z
--
36
GPIO2 / RXD
GPIO
0
--
37
GPIO1 / LED / TXD
GPIO
0
--
38
nRESET
nRESET
IP
--
39
HSIC_IMP
HSIC_IMP
Z
--
40
TEST
TEST
IP
PD
Table 7.2 USB4640/USB4640i Reset States Table (continued)
RESET STATE
PIN
PIN NAME
FUNCTION
INPUT/
OUTPUT
PU/
PD