USB2660 Standard Microsystems Corp., USB2660 Datasheet - Page 11

• Manufacturer Part Number: USB2660
• Description: Ultra Fast Usb 2.0 Hub And Multi-format Flash Media Controller With Dual Sd Interfaces
• Manufacturer: Standard Microsystems Corp.

Ultra Fast USB 2.0 Hub and Multi-Format Flash Media Controller with Dual SD Interfaces
Datasheet
Chapter 3 Pin Configuration
SMSC USB2660/USB2660i
SPI_DO / GPIO5 / SDA / SPI_SPD_SEL
SPI_CLK / GPIO4 / SCL
GPIO1 / LED / TXD
XTAL1 (CLKIN)
USBUP_DM
USBUP_DP
VBUS_DET
SPI_CE_n
nRESET
PLLFILT
SPI_DI
VDD33
VDD33
XTAL2
RBIAS
TEST
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Figure 3.1 USB2660/USB2660i 64-Pin QFN
Indicates pins on the bottom of the device.
(must be connected to VSS)
USB2660/USB2660i
(Top View QFN-64)
DATASHEET
Ground Pad
SMSC
11
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
SD1_CMD / MS_D0 / xD_CLE
SD1_D5 / MS_D1 / xD_ALE
xD_nWE
SD1_CLK / MS_BS / xD_nWP
SD1_D6 / MS_D7 / xD_D0
SD1_D7 / MS_D6 / xD_D1
SD1_D0 / MS_D4 / xD_D2
SD1_D1 / MS_D5 / xD_D3
VDD33
CRFILT
GPIO15 / SD1_nCD
GPIO6 / SD1_WP / MS_SCLK / xD_D4
SD2_D2 / GPIO20
SD2_D3 / GPIO21
SD2_D4 / GPIO22
SD2_CMD / GPIO27
Revision 1.0 (06-09-09)