參數(shù)資料
型號： FDC37C665GT
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 存儲控制器/管理單元
英文描述： High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
中文描述： 1 Mbps, IDE COMPATIBLE, FLOPPY DISK DRIVE CONTROLLER, PQFP100
封裝： QFP-100
文件頁數(shù)： 7/162頁
文件大小： 562K
代理商： FDC37C665GT
7
DESCRIPTION OF PIN FUNCTIONS
PIN NO.
10
NAME
SYMBOL
nWGATE
BUFFER
TYPE
OD20
DESCRIPTION
nWrite
Gate
This active low high current driver allows
current to flow through the write head. It
becomes active just prior to writing to the
diskette.
This active low high current driver provides
the encoded data to the disk drive. Each
falling edge causes a flux transition on the
media.
This high current output selects the floppy
disk side for reading or writing. A logic "1"
on this pin means side 0 will be accessed,
while a logic "0" means side 1 will be ac-
cessed.
This
high
current
determines the direction of the head
movement. A logic "1" on this pin means
outward motion, while a logic "0" means
inward motion.
This active low high current driver issues a
low pulse for each track-to-track movement
of the head.
This input senses that the drive door is open
or that the diskette has possibly been
changed since the last drive selection. This
input is inverted and read via bit 7 of I/O
address 3F7H.
Active low open drain outputs select drives
0-1. Refer to Note 2.
In non-ECP mode: Active low open drain
output selects drive 3. Refer to Note 2.
9
nWrite
Data
nWDATA
OD20
11
nHead
Select
nHDSEL
OD20
7
Direction
Control
nDIR
OD20
low
active
output
8
nStep Pulse
nSTEP
OD20
17
Disk Change
nDSKCHG
IS
4,3
nDrive Select
O,1
nDrive Select 3
nDS0,1
OD20
97
I/O Address 10
nDS3
A10
0D20
I
In ECP Mode, this pin is the A10 address
input.
These active low open drain outputs select
motor drives 0-1. Refer to Note 1.
Motor On 2: Refer to Note 1.
2,5
nMotor On 0,1
nMTR0,1
OD20
96
Motor On 2
nMTR2
nPDACK
OD20
I
In ECP Mode, MTR2 is the Parallel Port
DMA Acknowledge input. Active Low.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FDC37C665GT_07 制造商:SMSC 制造商全稱:SMSC 功能描述:High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
FDC37C665GT-MS 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller- Pb Free RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
FDC37C665GTQFP 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
FDC37C665IR 制造商:SMSC 制造商全稱:SMSC 功能描述:3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
FDC37C665IRQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述:
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