USB2640I Standard Microsystems Corp., USB2640I Datasheet - Page 11

• Manufacturer Part Number: USB2640I
• Description: Industrial Temperature Usb 2.0 Flash Media Controller And Usb Hub Combo
• Manufacturer: Standard Microsystems Corp.

Industrial Temperature USB 2.0 Flash Media Controller and USB Hub Combo
Chapter 3 Pin Configurations
SMSC USB2640i/USB2641i
GPIO1 / LED1 / TXD
XTAL1 (CLKIN)
VBUS_DET
VDD18PLL
nRESET
VDDA33
VDDA33
XTAL2
RBIAS
USB+
TEST
USB-
37
38
39
40
41
42
43
44
45
46
47
48
Figure 3.1 USB2640i 48-Pin QFN
Indicates pins on the bottom of the device.
(must be connected to VSS)
(Top View QFN-48)
DATASHEET
USB2640i
Thermal Slug
SMSC
11
24
23
22
21
20
19
18
17
16
15
14
13
xD_CLE / SD_CMD / MS_D0
xD_ALE / SD_D5 / MS_D1
xD_nWE
xD_nWP / SD_CLK / MS_BS
xD_D0 / SD_D6 / MS_D7
xD_D1 / SD_D7 / MS_D6
xD_D2 / SD_D0 / MS_D4
xD_D3 / SD_D1 / MS_D5
VDD33
VDD18
GPIO15 / SD_nCD
xD_D4 / GPIO6 / SD_WP / MS_SCLK
Revision 2.0 (10-03-08)