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Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08) 8 SMSC USB2250/50i/51/51i
DATASHEET
Chapter 3 Pin Table
3.1 128-Pin Package
Table 3.1 USB2250/50i/51/51i 128-Pin VTQFP Package
COMPACTFLASH INTERFACE (28 PINS)
CF_D0/GPIO16 CF_D1/GPIO17 CF_D2/GPIO18 CF_D3/GPIO19
CF_D4/GPIO20 CF_D5/GPIO21 CF_D6/GPIO22 CF_D7/GPIO23
CF_D8/GPIO24 CF_D9/GPIO25 CF_D10/GPIO26 CF_D11/GPIO27
CF_D12/GPIO28 CF_D13/GPIO29 CF_D14/GPIO30 CF_D15/GPIO31
CF_nIOR CF_nIOW CF_IRQ CF_nRESET
CF_IORDY CF_nCS0 CF_DMACK/TXD/GPIO7 CF_SA0
CF_SA1 CF_SA2 GPIO13 (CF_nCD) CF_DMARQ/RXD/GPIO2
SMARTMEDIA INTERFACE (17 PINS)
SM_D0 SM_D1 SM_D2 SM_D3
SM_D4 SM_D5 SM_D6 SM_D7
SM_ALE SM_CLE SM_nRE SM_nWE
SM_nWP SM_nB/R SM_nCE GPIO14 (SM_nCD)
SM_nWPS
MEMORY STICK INTERFACE (11 PINS)
MS_BS MS_D0/MS_SDIO MS_SCLK GPIO12 (MS_INS)
MS_D1 MS_D2 MS_D3 MS_D4
MS_D5 MS_D6 MS_D7
SD/MMC INTERFACE (12 PINS)
SD_CMD SD_CLK SD_D0 SD_D1
SD_D2 SD_D3 GPIO6 (SD_WP) GPIO15 (SD_nCD)
SD_D4 SD_D5 SD_D6 SD_D7
USB INTERFACE (8 PINS)
USB+ USB- RBIAS VDD18PLL
VDDA33 XTAL2 XTAL1 (CLKIN) REG_EN