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USB 2.0 Flash Drive Controller
Datasheet
SMSC USB97C242 Page 8 Revision 1.4 (05-03-07)
DATASHEET
Chapter 3 Pin Tables
Table 3.1 – USB97C242 100 Pin Package
NAND FLASH/SMARTMEDIA INTERFACE (17 PINS)
D0 D1 D2 D3
D4 D5 D6 D7
ALE CLE nRE nWE
nWP nB/R nCE nCD
nWPS
USB INTERFACE (7 PINS)
USB+ USB- LOOPFLTR RBIAS
RTERM FS+ FS-
MEMORY/IO INTERFACE (29 PINS)
MA0 MA1 MA2 MA3
MA4 MA5 MA6 MA7
MA8 MA9 MA10 MA11
MA12 MA13 MA14 MA15
MD0 MD1 MD2 MD3
MD4 MD5 MD6 MD7
nMRD nMWR nMCE
nIOW nIOR
MISC (21 PINS)
ROMEN GPIO1 GPIO20 GPIO3
GPIO4 GPIO5 GPIO6 GPIO7
XTAL1/CLKIN XTAL2 nRESET
nCS4 nCS5 nCS6 nCS7
nCS0 nCS1 nCS2 nCS3
nTEST0 nTEST1
POWER, GROUNDS, AND NC (26 PINS)
TOTAL 100
3.1 100 Pin List
Table 3.2 – 100 Pin TQFP
PIN # NAME MA PIN # NAME MA PIN # NAME MA PIN # NAME MA
1 MA0 8 26 MD5 8 51 nWE 12 76 RBIAS
2 MA1 8 27 MD6 8 52 nWP 12 77 VDDA
3 MA2 8 28 MD7 8 53 nCE 8 78 FS+
4 MA3 8 29 nMRD 8 54 nWPS 79 USB+
5 MA4 8 30 nMWR 8 55 nB/R 80 USB-
6 MA5 8 31 VSSIO 8 56 nCD 81 FS-
7 MA6 8 32 nMCE 8 57 nCS0 82 RTERM
8 MA7 8 33 nIOW 8 58 VDDCORE 83 VSSA