Datasheet

High-Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
Revision 1.3 (03-13-13) 12 SMSC USB4640/USB4640i
DATASHEET
3.2 48-Pin List
Table 3.1 USB4640/USB4640i 48-Pin List
UPSTREAM HSIC INTERFACE (3 PINS)
HSIC_IMP HSIC_DAT HSIC_STROBE
DOWNSTREAM USB INTERFACE (3 PINS)
XTAL1 (CLKIN) XTAL2 RBIAS
DOWNSTREAM 2-PORT USB INTERFACE (6 PINS)
USBDN_DP2 USBDN_DM2 PRTCTL2 PRTCTL3
USBDN_DP3 USBDN_DM3
SECURE DIGITAL/MEMORY STICK/xD INTERFACE (18 PINS)
SD_D7/
MS_D6/
xD_D1
SD_D6/
MS_D7/
xD_D0
SD_D5/
MS_D1/
xD_ALE
SD_D4/
MS_D2/
xD_D7
SD_D3/
MS_D3/
xD_D6
SD_D2/
xD_D5
SD_D1/
MS_D5/
xD_D3
SD_D0/
MS_D4/
xD_D2
SD_CLK/
MS_BS/
xD_nWP
SD_CMD/
MS_D0/
xD_CLE
GPIO15/
SD_nCD
GPIO12/
MS_INS
GPIO6/
SD_WP/
MS_SCLK/
xD_D4
GPIO14/
xD_nCD
xD_nWE xD_nB/R
xD_nRE xD_nCE
SPI INTERFACE (4 PINS)
SPI_CE_N
SPI_CLK/
GPIO4/
SCL
SPI_DO/
GPIO5/
SDA/
SPI_SPD_SEL
SPI_DI
MISC (5 PINS)
nRESET TEST
GPIO1/
LED/
TXD
GPIO2/
RXD
GPIO10 (CRD_PWR)
POWER (9 PINS)
(6) VDD33 VDD12 CRFILT PLLFILT
TOTAL 48