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參數(shù)資料
| 型號(hào)： | W83759A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | ADVANCED VL-IDE DISK CONTROLLER |
| 中文描述： | 先進(jìn)的VL - IDE磁盤控制器 |
| 文件頁(yè)數(shù)： | 7/41頁(yè) |
| 文件大小： | 334K |
| 代理商： | W83759A |
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W83759A
Publication Release Date: May 1995
- 7 -
Revision A1
Pin Description, continued
SYMBOL
PIN
TYPE
DESCRIPTION
ENIDE
/
IDE1CS0
63
I/O
-PU
When
SYSRST
is active, this is an input that latches on the rising
edge of
SYSRST
.
ENIDE: In W83759 mode (ADV = low), this power-on-setting pin
controls if the chip enable or disable. In W83759A mode (ADV =
high), this pin controls if the IDE0 channel enable or disable. A high
input enables and a low input disables the IDE0 channel.
IDE1CS0
: When
SYSRST
is inactive, this pin is an active low
output and is used to select the command block registers in the
IDE1 drive (170h
177h).
TEST
/
IDE1CS1
64
I/O
-PU
When
SYSRST
is active, this is an input that latches on the rising
edge of
SYSRST
.
TEST: In W83759 mode, this power-on-setting pin controls whether
both dual channels are enabled or only the primary channel is
enabled. A high input enables IDE0 and IDE1 simultaneously and a
low input enables IDE0 only. In W83759A mode, this pin controls
whether the IDE1 channel enable or disable controls the IDE0
channel as ENIDE.
IDE1CS1
: When
SYSRST
is inactive, this pin is an active low
output used to select the alternate status register of the control
block registers in the IDE1 drive (376).
EMD1
/
IDEIOR
70
I/O
-PU
When
SYSRST
is active, this is an input that latches on the rising
edge of
SYSRST
.
EMD1: This power-on-setting pin combines with EMD0 to set the
initial enhanced timing mode of hard disk access cycles when the
enhanced mode is selected via the POSS3 configuration register.
IDEIOR
: Drive I/O read. An active low output that enables data to
be read from the drive. The duration and repetition rate of IDEIOR
cycles are determined by the type of IDE drive, as specified by
MD1 and MD0, in W83759 mode or by
EMD1
and EMD0 in
W83759A enhanced mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83768 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O COUPLER |
| W83769 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:LOCAL BUS IDE SOLUTION |
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| W83775G | 制造商:Nuvoton Technology Corp 功能描述:IC H/W MONITOR 8TSSOP |
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