
Ultra Fast USB 2.0 SD/MMC Flash Media Controller
Datasheet
Revision 1.0 (05-27-08) 8 SMSC USB2244/USB2244i
DATASHEET
Chapter 3 Pin Table
3.1 36-Pin Package
Table 3.1 USB2244/2244i 36-Pin QFN Package
SD/MMC INTERFACE (12 Pins)
SD_D0 SD_D1 SD_D2 SD_D3
SD_D4 SD_D5 SD_D6 SD_D7
SD_CLK SD_CMD SD_WP GPIO15 (SD_nCD)
USB INTERFACE (7 PINS)
USB+ USB- RBIAS
XTAL1 (CLKIN) XTAL2 VDDA33 VDD18PLL
MISC (13 PINS)
GPIO1 (LED1) GPIO2 / RXD / SDA GPIO4 GPIO7 / TXD / SCK
GPIO10 (CRD_PWR) GPIO12 GPIO14 (4) NC
TEST nRESET
DIGITAL, POWER (4 PINS)
(3)VDD33 VDD18
TOTAL 36
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