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參數(shù)資料
| 型號(hào)： | ICS90C65M-XXX |
| 英文描述： | Peripheral IC |
| 中文描述： | 外圍芯片 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大小： | 360K |
| 代理商： | ICS90C65M-XXX |
ICS90C65 VGA Interface
The
ICS90C65
has two system interfaces: System Bus and
VGA Controller, as well as other programmable inputs. Figure
1 shows how the Integrated Circuit Systems’s VGA Clock
ICS90C65
is connected to a VGA controller. Western Digital
Imaging VGA controllers normally have a status bit that indi-
cates to the VGA controller that it is working with a clock chip.
When working with a clock chip the VGA controller changes
two of its clock inputs to outputs. They are
theVCLK1/VCSLD/VCSEL and VCLK2/VCSEL/VCSELH
outputs and they are used to select the required video frequency.
Figure 1
When the power-down capabilities are used, the control signal
for PWRDN is normally held in one of a group of latches. If
the power-down function is not to be used,
PWRDN must be
tied to V
DD
, otherwise the internal pull-down will place the chip
in the power-down mode.
VSEL0
14.318
MHz
SD3
SD2
pull-up at reset
and PR15(5)=0
AMD(3)
VCKIN
MCLK
VCSEL
VCS
ICS90C65
WD90C26
LATCH
VSEL1
VSEL2
VCLK
MC
SELEN
CLK1
PWRDN
ICS90C65
2
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| ICS90C65XXXM | Peripheral IC |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ICS90C65N | 制造商:ICS 制造商全稱:ICS 功能描述:Dual Voltage Video/Memory Clock Generator |
| ICS90C65N-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS90C65V | 制造商:ICS 制造商全稱:ICS 功能描述:Dual Voltage Video/Memory Clock Generator |
| ICS90C65V-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS90C65XXXM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
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