USB2251-NU-05 Standard Microsystems (SMSC), USB2251-NU-05 Datasheet - Page 10

• Manufacturer Part Number: USB2251-NU-05
• Description: ULTRA FAST USB 2.0 MULTI-SLOT FLASH MEDI
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2251-NU-05

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Chapter 5 Pin Table
Revision 2.0 (09-29-09)
5.1
CF_D12 / GPIO28
CF_D0 / GPIO16
CF_D4 / GPIO20
CF_D8 / GPIO24
CF_IORDY
SM_nWPS
CF_nIOR
SM_nWP
SD_CMD
SM_ALE
CF_SA1
MS_BS
SM_D0
SM_D4
MS_D1
MS_D5
SD_D2
SD_D4
USB+
128-Pin Package
SECURE DIGITAL / MULTIMEDIACARD INTERFACE (12 PINS)
MS_D0 / MS_SDIO
CF_D13 / GPIO29
CF_D1 / GPIO17
CF_D5 / GPIO21
CF_D9 / GPIO25
COMPACT FLASH INTERFACE (28 PINS)
MEMORY STICK INTERFACE (11 PINS)
SMARTMEDIA INTERFACE (17 PINS)
CF_nIOW
CF_nCS0
SM_nB/R
SM_CLE
SD_CLK
CF_SA2
MS_D6
Table 5.1 128-Pin VTQFP Package
SM_D1
SM_D5
MS_D2
SD_D3
SD_D5
USB-
USB INTERFACE (6 PINS)
DATASHEET
10
GPIO13 (CF_nCD)
CF_D10 / GPIO26
CF_D14 / GPIO30
CF_D2 / GPIO18
CF_D6 / GPIO22
GPIO6 (SD_WP)
CF_DMACK /
MS_SCLK
SM_nRE
SM_nCE
CF_IRQ
SM_D2
SM_D6
MS_D3
MS_D7
SD_D0
SD_D6
GPIO7
RBIAS
TXD /
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
GPIO14 (SM_nCD)
GPIO15 (SD_nCD)
CF_D15 / GPIO31
GPIO12 (MS_INS)
SMSC USB2250/50i/51/51i
CF_D11 / GPIO27
CF_D3 / GPIO19
CF_D7 / GPIO23
CF_DMARQ /
CF_nRESET
SM_nWE
CF_SA0
SM_D3
SM_D7
MS_D4
SD_D1
SD_D7
GPIO2
RXD /
Datasheet