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CM220L Datasheet(PDF) 7 Page - C-Media Electronics |
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CM220L Datasheet(HTML) 7 Page - C-Media Electronics |
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7 / 19 page  CM220 Updateable USB2.0 Card Reader Controller Date: 8/2/2005 Version: 1.4 - 7 - 4. PIN DESCRIPTIONS & ASSIGNMENT 48 Pin# 100 pin # 128 pin # Symbol I/O Type Description NC 2 1 XDCD DI, PU XD Card detect pin, low active NC 3 2 SMCD DI, PU SM Card detect pin, low active NC 4 3 SMCEB DO SM card enable, low active 10 5 4 SMWP DI, PU SM card write protect, low active 11 6 5 TMODE DI, PD Chip test mode enable, High active NC NC 6 GPIO1 DI General Purpose Input Output NC NC 7 CFLED DO CF Card access indicator Led, High active NC NC 8 VCC3V(O) Digital power. Connected to 3.3 V NC NC 9 GND(O) Digital Ground pin NC 7 10 CFPWR DO CF Card power control, low active NC 8 11 CFD[3] DIO, PD CF card data bus NC 9 12 CFD[11] DIO, PD CF card data bus NC 10 13 CFD[4] DIO, PD CF card data bus NC 11 14 CFD[12] DIO, PD CF card data bus NC 12 15 CFD[5] DIO, PD CF card data bus NC 13 16 CFD[13] DIO, PD CF card data bus NC 14 17 CFD[6] DIO, PD CF card data bus NC 15 18 CFD[14] DIO, PD CF card data bus NC 16 19 CFD[7] DIO, PD CF card data bus 12 17 20 VCC3V(O) Digital power. Connected to 3.3 V NC 18 21 GND(O) Digital Ground pin NC 19 22 CFD[15] DIO, PD CF card data bus NC 20 23 CFCS0 DO, CF card select 0 NC 21 24 CFCS1 DO, CF card select 1 NC 22 25 CFIOR DO, CF card read enable, low active NC 23 26 CFIOW DO, CF card write enable, low active NC 24 27 CFRST DO, CF card reset, low active NC 25 28 CFSA[2] DO, CF card address bus NC 26 29 CFSA[1] DO, CF card address bus NC 27 30 CFSA[0] DO, CF card address bus NC 28 31 CFD[0] DIO, PD CF card data bus |
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Similar Description - CM220L |
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