參數資料
型號： W83977CTF-PW
英文描述： PERIPHERAL (MULTIFUNCTION) CONTROLLER
中文描述： 周邊（多功能）控制器
文件頁數： 92/161頁
文件大?。?/td> 592K
代理商： W83977CTF-PW
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-83 -
Revision A1
6.6
OnNow / Security Keyboard and Mouse Wake-Up
---- Programmable Keyboard / Mouse Wake-Up Functions
Winbond's unique programmable keyboard/ mouse Wake-Up functions provide the system with
diversified methods for either OnNow Wake-Up application, or security control application. The
keyboard or mouse can Wake-Up the system by producing a panel switch low pulse on PANSWOT#
pin, and connect it to chipset (for example Intel
TM
chipset TX, LX PIIX4) panel switch input. The
Wake-Up conditions can be programmed as pre-determined or any keys/buttons. To implement this
function, a 32.768KHz crystal must be installed between XTAL1 and XTAL2, or a 32.768KHz clock to
be connected to XTAL1 and leave XTAL2 open. The V
SB
pin must be connected to +5V V
SB
of ATX
power supply, and an external battery should be installed on V
BAT
pin to store the data (the
passwords and Wake-Up status which had been set already) when power fails.
6.6.1 Keyboard Wake-Up Function
The keyboard Wake-Up function is enabled by setting LD-0A CR-E0 bit 6. The pre-determined keys
data are stored in registers, and they can be accessed by an indirect method. First, write their index
address to LD-0A CR-E1, then access them by reading/writing LD-0A CR-E2. A zero data is written
to the register means the comparison of this register will be ignored. The pre-programmed keys may
be 1 to 5 keys with various combinations. If LD-0A CR-E0 bit 0 is set, the system will be woken up
after any key is struck.
6.6.2 Keyboard Password Wake-Up Function
To implement this function, the bit 7 of LD-0A CR-E0 must be set, and panel switch input is
connected to PANSWIN# pin. Thus PANSWIN# is blocked to PANSWOUT#, by setting LD-0A CR-
E0 properly so that only the keyboard can Wake-Up the system with preset keys (password).
6.6.3 Mouse Wake-Up Function
The mouse Wake-Up function is activated by setting bit 5 of LD-0A CR-E0. If bit 1 of LD-0A CR-E0 is
set, any movement or button clicking will make up the system. Otherwise, the mouse can Wake-Up
the system only by clicking its button twice successively with the mouse unmoved. The bit 4 of LD-
0A CR-E0 determines which button (left or right) is to perform Wake-Up function.
相關PDF資料
PDF描述
W83977TF(EOL) W83877TF plus KBC. CIR. RTC
W83C42 KEYBOARD CONTROLLER
W83C42P KEYBOARD CONTROLLER
W83C45 Keyboard Controller
W83C45P Keyboard Controller
相關代理商/技術參數
參數描述
W83977EF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND ISA I/O
W83977EF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND ISA I/O
W83977EF-PW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977EG 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND ISA I/O
W83977EG-AW 功能描述:IC I/O CONTROLLER 128-PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應商設備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*