參數(shù)資料
型號: PC87393F-VJG
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 外設及接口
英文描述: 100-Pin LPC SuperI/O Devices for Portable Applications
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: TQFP-100
文件頁數(shù): 27/148頁
文件大?。?/td> 1733K
代理商: PC87393F-VJG
8.0 Legacy Functional Blocks (Continued)
122
www.national.com
8.1.3
FDC Bitmap Summary
The FDC supports two system operation modes: PC-AT mode and PS/2 mode (MicroChannel systems). Unless specifically
indicated otherwise, all fields in all registers are valid in both drive modes.
Register
Bits
Offset
Mnemonic
76543210
00h
SRA1
1. Applicable only in PS/2 Mode
IRQ
Pending
Reserved
Step
TRK0
Head Se-
lect
INDEX
WP
Head
Direction
01h
SRB1
Reserved
Drive
Select 0
Status
WDATA
RDATA
WGATE
MTR1
MTR0
02h
DOR
Motor
Enable 3
Motor
Enable 2
Motor
Enable 1
Motor
Enable 0
DMAEN
Reset
Controller
Drive Select
03h
TDR
Reserved
Tape Drive Select 1,0
TDR2
2. Applicable only in Enhanced TDR Mode
Reserved
Drive ID Information
Logical Drive
Exchange
Tape Drive Select 1,0
04h
MSR
RQM
Data I/O
Direction
Non-DMA
Execution
Command
in
Progress
Drive 3
Busy
Drive 2
Busy
Drive 1
Busy
Drive 0
Busy
DSR
Software
Reset
Low Power
Reserved
Precompensation Delay Select
Data Transfer Rate
Select
05h
FIFO
Data Bits
07h
DIR3
3. Applicable only in PC-AT Compatible Mode
DSKCHG
Reserved
DSKCHG
Reserved
DRATE 1,0 Status
High
Density
07h
CCR
Reserved
DRATE1,0
相關PDF資料
PDF描述
PC906N 896 MHz - 940 MHz YAGI ANTENNA, 10.65 dBi GAIN, 65 deg 3dB BEAMWIDTH
PC926N 928 MHz - 960 MHz YAGI ANTENNA, 10.65 dBi GAIN, 65 deg 3dB BEAMWIDTH
PCA.1D.694.CNAD42Z CABLE TERMINATED, FEMALE, RF CONNECTOR, SOCKET
PCA.1D.694.CNAD42 CABLE TERMINATED, FEMALE, RF CONNECTOR, SOCKET
PCA.1D.694.CNAD52Z CABLE TERMINATED, FEMALE, RF CONNECTOR, SOCKET
相關代理商/技術參數(shù)
參數(shù)描述
PC87393VJG 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:IC, SUPER I/O DEVICE, TQFP-100, Logic Device Type:Buffer, Supply Voltage Min:3V,
PC87393-VJG 制造商:NSC 制造商全稱:National Semiconductor 功能描述:100-Pin LPC SuperI/O Devices for Portable Applications
PC87410 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PC87410 PCI-IDE Interface Controller
PC87410VLK 制造商:Rochester Electronics LLC 功能描述:- Bulk
PC87413 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LPC ServerI/O for Servers and Workstations