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Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
SMSC USB2250/50i/51/51i 9 Revision 1.1 (05-29-08)
DATASHEET
MEMORY/IO INTERFACE (28 PINS)
MA0/CLK_SEL0 MA1/CLK_SEL1 MA2 MA3
MA4 MA5 MA6 MA7
MA8 MA9 MA10 MA11
MA12 MA13 MA14 MA15
MA16 MD0 MD1 MD2
MD3 MD4 MD5 MD6
MD7 nMRD nMWR nMCE
MISC (10 PINS)
nRESET GPIO3 (VBUS_DET) GPIO4 (SCL/xD_ID) GPIO5 (SDA)
LED1 / GPIO1 GPIO8/CARD_PWR0 GPIO9/CARD_PWR1 GPIO10/CARD_PWR2
GPIO11/CARD_PWR3 TEST
DIGITAL, POWER (14 PINS)
(5) VDD33 (1) VDD18 (8) VSS
TOTAL 128
Table 3.1 USB2250/50i/51/51i 128-Pin VTQFP Package (continued)