Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

SMSC USB2244/USB2244i

13

Revision 1.0 (05-27-08)

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

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