SMSC USB2640i - Manual (Page 52)

Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo
Revision 2.0 (10-03-08) 52 SMSC USB2640/USB2641
DATASHEET
36 GPIO2 / RXD GPIO 0 -- --
37 GPIO1 / LED1 / TXD GPIO1 0 -- --
38 nRESET nRESET Z -- Y
39 VBUS_DET VBUS_DET Z -- Y
40 TEST TEST Z -- Y
42 USB+ USB+ Z -- --
43 USB- USB- Z -- --
44 XTAL2
45 XTAL1 (CLKIN)
47 RBIAS
Table 8.3 USB2641 Pin Reset States
RESET STATE
PIN PIN NAME FUNCTION OUTPUT
PU/
PD INPUT
1 USBDN_DM2 USBDN_DM2 0 PD --
2 USBDN_DP2 USBDN_DP2 0 PD --
3 USBDN_DM3 USBDN_DM3 0 PD --
4 USBDN_DP3 USBDN_DP3 0 PD --
6 PRTCTL2 PRTCTL 0 -- --
7 PRTCTL3 PRTCTL 0 -- --
8 SPI_CE_N SPI_CE_N 1 -- --
9 SPI_CLK / GPIO4 / SCL GPIO 0 -- --
10 SPI_DO / GPIO5 / SDA / SPI_SPD_SEL GPIO Z PD Y
11 SPI_DI SPI_DI Z PD Y
13 GPIO6 / SD_WP / MS_SCLK GPIO 0 -- --
14 GPIO15 / SD_nCD GPIO Z PU Y
17 SD_D1 / MS_D5 none Z -- --
Table 8.2 USB2640 Pin Reset States (continued)
RESET STATE
PIN PIN NAME FUNCTION OUTPUT
PU/
PD INPUT