USB2660 Standard Microsystems Corp., USB2660 Datasheet - Page 26

• 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.

Chapter 7 Pin Reset States
Revision 1.0 (06-09-09)
7.1
PIN
1
2
3
4
6
7
Pin Reset States
USBDN_DM2
USBDN_DM3
USBDN_DP2
USBDN_DP3
V
V
Voltage
PIN NAME
Signal
PRTCTL2
PRTCTL3
DD33
SS
Table 7.2 USB2660/USB2660i Reset States Table
(v)
Table 7.1 Legend for Pin Reset States Table
SYMBOL DESCRIPTION
0
1
IP
PU
PD
none
--
Z
Ultra Fast USB 2.0 Hub and Multi-Format Flash Media Controller with Dual SD Interfaces
RESET
Figure 7.1 Pin Reset States
Output driven low
Output driven high
Input enabled
Hardware enables pull-up
Hardware enables pull-down
Hardware disables pad
Hardware disables function
Hardware disables pad. Both output
driver and input buffers are disabled.
DATASHEET
Initialization
Hardware
26
USBDN_DM2
USBDN_DM3
USBDN_DP2
USBDN_DP3
FUNCTION
PRTCTL
PRTCTL
Operational
Firmware
RESET STATE
Time
RESET
(t)
OUTPUT
INPUT/
IP
IP
IP
IP
0
0
SMSC USB2660/USB2660i
PU/
PD
PD
PD
PD
PD
--
--
Datasheet