GL828-MNG Просмотр технического описания (PDF) - GENESYS LOGIC

Номер в каталоге

Компоненты Описание

Список матч

GL828-MNG

USB 2.0 SD/MMC Single Slot Card Reader Controller

GENESYS LOGIC 

GL828 USB 2.0 SD/MMC Single Slot Card Reader Controller

3.3 Pin Descriptions

Table 3.2 - Pin Descriptions

Pin name

VDD18O

GL828

LQFP48 Pin

4

Type

Description

P Internal regulator 1.8V output

GND

5,9,12

P Analog ground

AVDD

6,11

P Analog power

DM

7

A USB D-

DP

8

A USB D+

RREF

X1

X2

DVDD

10

13

14

15,26,35

A Reference resistor

OSC 12MHz/48MHz input. This pin can be connected to one terminal of crystal or

external 12MHz/48MHz clock source.

OSC 12MHz/48MHz output. This is another terminal of the crystal or NC when

using an external 12MHz/48MHz clock source is used to drive PLL.

P Digital power 3.3V

GND

16,27,34

P Digital ground

VP5

25

P Regulator 5V Input

PMOSO

36

PMOS Power MOS 3.3V Output

TEST_MOD

17

I, pd Test mode selection

EXTRSTZ

18

I, pu External reset. It is active low. The low pulse should be 1 us width at least.

SD_CDZ

23

B/I, pd SD& MMC Card detection. Normal High, active low.

D0~D7

SD_CLK

SD_WPZ

SD_CMD

40,43,37,29,28,

30,32,38

39

3

41

B/I, f

B/I, f

B/I, pu

B/I, f

SD data 0~3

MMC data 0~7

SD/MMC CLK

SD Write Protect Detection. When no card is inserted, pull low. When SM or

SD card is inserted, the pin is pull up and active low.

SD/MMC CMD

GPIO0~3

41,48,47,46 B/I, pd GPIO0~3 / GPIO3 : Power LED

SK

19

B/I, pd 93C46 Clock

CS

20

B/I, pd 93C46 CS

DO

21

B/I, pd 93C46 Data out

DI

22

B/I, pd 93C46 Data in / Access LED

Notation:

Type A

B

B/I

B/O

I

Analog

Bi-directional

Bi-directional, default input

Bi-directional, default output

Input

©2000-2006 Genesys Logic Inc. - All rights reserved.

Page 11

Share Link: