SMSC USB464, USB4640i Chapter 7 Pin Reset States, 7.1Pin Reset States, SYMBOL, DATASHEET, DESCRIPTION, Figure 7.1 Pin Reset States, Table 7.1 Legend for Pin Reset States Table

High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller

Datasheet

Chapter 7 Pin Reset States

HardwareFirmware

Initialization Operational

Voltage

Signal RESET

(v)

RESET

VDD33

VSS	Time
	(t)

Figure 7.1 Pin Reset StatesTable 7.1 Legend for Pin Reset States Table

SYMBOL	DESCRIPTION
0	Output driven low
1	Output driven high
IP	Input enabled
PU	Hardware enables pull-up
PD	Hardware enables pull-down
none	Hardware disables pad
--	Hardware disables function
Z	Hardware disables pad. Both output
	driver and input buffers are disabled.

7.1Pin Reset States

Table 7.2 USB4640/USB4640i Reset States Table

			RESET STATE
PIN	PIN NAME	FUNCTION		INPUT/	PU/
				OUTPUT	PD
1	USBDN_DM2	USBDN_DM2		IP	PD
2	USBDN_DP2	USBDN_DP2		IP	PD
3	USBDN_DM3	USBDN_DM3		IP	PD
4	USBDN_DP3	USBDN_DP3		IP	PD
6	PRTCTL2	PRTCTL		0	--
7	PRTCTL3	PRTCTL		0	--

SMSC USB4640/USB4640i 25 Revision 1.0 (06-01-09)

DATASHEET