參數(shù)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(shù): 42/161頁
文件大?。?/td> 592K
代理商: W83977CTF-PW
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-33 -
Revision A1
2.2 Register Descriptions
There are several status, data, and control registers in W83977EF/CTF. These registers are defined
below:
ADDRESS
OFFSET
base address + 0
base address + 1
base address + 2
base address + 3
base address + 4
base address + 5
base address + 7
REGISTER
READ
WRITE
SA REGISTER
SB REGISTER
TD REGISTER
MS REGISTER
DT (FIFO) REGISTER
DI REGISTER
DO REGISTER
TD REGISTER
DR REGISTER
DT (FIFO) REGISTER
CC REGISTER
2.2.1 Status Register A (SA Register) (Read base address + 0)
This register is used to monitor several disk interface pins in PS/2 and Model 30 modes. In PS/2
mode, the bit definitions for this register are as follows:
1
2
3
4
5
6
7
0
WP#
INDEX#
HEAD
TRAK0#
STEP
DRV2#
INIT PENDING
DIR
INIT PENDING (Bit 7):
This bit indicates the value of the floppy disk interrupt output.
DRV2# (Bit 6):
0
A second drive has been installed
1
A second drive has not been installed
STEP (Bit 5):
This bit indicates the complement of STEP# output.
TRAK0#(Bit 4):
This bit indicates the value of TRAK0# input.
相關(guān)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(guān)代理商/技術(shù)參數(shù)
參數(shù)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(yīng)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(yīng)商設(shè)備封裝:24-QFN 裸露焊盤(4x4) 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2