beautypg.com

1 36-pin reset states, Table 6.1 usb2244/usb2244i pin reset states, Pin reset states – SMSC USB2244 User Manual

Page 14: Datasheet

background image

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

Revision 1.0 (05-27-08)

14

SMSC USB2244/USB2244i

DATASHEET

6.1

36-Pin Reset States

Table 6.1 USB2244/USB2244i Pin Reset States

RESET STATE

Post-Reset State

SD Mode

PIN

PIN NAME

FUNCTION

OUT-

PUT

PU/

PD

IN-

PUT

FUNCTION

OUT-

PUT

PU/

PD

IN-

PUT

8

SD_D6

none

z

--

--

SD_D6

hw

pu

yes

7

SD_D7

none

z

--

--

SD_D7

hw

pu

yes

5

SD_D0

none

z

--

--

SD_D0

hw

pu

yes

4

SD_D1

none

z

--

--

SD_D1

hw

pu

yes

30

SD_WP

SD_WP

0

--

--

SD_WP

(fw)

(fw)

(fw)

25

SD_D2

none

z

--

--

SD_D2

hw

pu

yes

23

SD_D3

none

z

--

--

SD_D3

hw

pu

yes

20

SD_D4

none

z

--

--

SD_D4

hw

pu

yes

9

SD_CLK

none

z

--

--

SD_CLK

hw

--

yes

10

SD_D5

none

z

--

--

SD_D5

hw

pu

yes

11

SD_CMD

none

z

--

--

SD_CMD

hw

pu

yes

19

GPIO14

GPIO

z

pu

yes

26

GPIO15 (SD_nCD)

GPIO

z

pu

yes

24

GPIO12

GPIO

z

pu

yes

27

GPIO2 / RXD / SDA

GPIO

0

--

--

RXD

z

pu

yes

29

GPIO4

GPIO

0

--

--

31

GPIO7 / TXD / SCK

GPIO

0

--

--

TXD

hw

--

--

21

GPIO10(CARD_PWR)

GPIO

z

--

--

PWR

VDD

--

--

28

TEST

TEST

z

--

yes

18

nRESET

nRESET

z

--

yes

1

GPIO1 (LED1)

GPIO1

0

--

--

17:15

NC

none

z

--

--

none

z

--

--

12

NC

none

z

--

--

none

z

--

--

2

USB+

USB+

z

--

--

3

USB-

USB-

z

--

--

35

RBIAS

33

XTAL1 (CLKIN)

32

XTAL2

This manual is related to the following products: