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參數資料

型號：	W81386-DG
廠商：	WINBOND ELECTRONICS CORP
元件分類：	其它接口
英文描述：	Winbond USB Interface MS/SD/MMC Reader
中文描述：	SPECIALTY INTERFACE CIRCUIT, PQFP48
封裝：	7 X 7 MM, 1.40 MM HEIGHT, LEAD FREE, LQFP-48
文件頁數：	11/22頁
文件大小：	447K
代理商：	W81386-DG

W81386D

Publication Release Date: May 26, 2005

- 11 -

Revision A1

Continued.

ADDRESS*

CONTENT

DESCRIPTION

13~57

String content.

Each character use two bytes, 45 characters at

most in the string. One byte of data 00 between

each character should not write in the 93C46,

the data 00 may be filled in the unused content if

the number of characters is less than 45.

58~65

Reserve

66~81

UFI response data (Product

Identification).

16 bytes Product Identification of UFI inquiry

data, independent of MS interface or SD/MMC

interface. The order should be reverse

7.2 LED Indicator and Mode Setting (when SEM_CS = High)

The LED driver outputs are all active low, and use 5V VDD for the LED power. It should avoid the

internal regulator to drive LEDs.

USB_LEDN, MS_ALEDN and SD/MMC_ALEDN can be use in two LED indicate mode or three LED

indicate mode. If SEM_CS short to VDD3 is used to set the default parameter mode, the LED indicate

mode also set at SEM_SK and SEM_WSD pins during reset. SEM_SK = Low (open) is 3_LED mode,

SEM_SK = High(short to VDD3) is 2_LED mode. The SEM_WSD is effective in 3_LED mode, ALED

will not flash when SEM_WSD = Low (open) ALED will flash when SEM_WSD = High (short to VDD3).

Mode setting table

SEM_CS

SEM_SK

SEM_WSD

SEM_RSD

FUNCTION