SMSC USB2250 User Manual
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
SMSC USB2250/50i/51/51i
21
Revision 1.1 (05-29-08)
DATASHEET
Chapter 6 Pin Reset State Table
Figure 6.1 Pin Reset States
Figure 6.2 Legend for Pin Reset States Table
Voltage
Signal (v)
Time
(t)
RESET
RESET
Hardware
Initialization
Firmware
Operational
V
DD33
V
SS
LEGEND
yes
hardware enables function
--
hardware disables function
z
hardware disables output driver
pu
hardware enables pullup
pd
hardware enables pulldown
hw
hardware controls function, but state is protocol dependent
(fw)
firmware controls function through registers
VDD
hardware supplies power through pin, applicable only to CARD_PWR pins
none
hardware disables pad