參數(shù)資料
型號: ICS1531
英文描述: Triple 8-bit MSPS A/D Converters with Line-Locked Clock Generator
中文描述: 三8位MSPS的的A / D轉(zhuǎn)換器與電源同步時鐘發(fā)生器
文件頁數(shù): 12/76頁
文件大?。?/td> 529K
代理商: ICS1531
ICS1531 Rev N 12/1/99
December, 1999
12
Chapter 3
Pin Diagram and Listings
ICS1531 Data Sheet - Preliminary
Copyright 1999, Integrated Circuit Systems, Inc.
All rights reserved.
3.2.3
Pin Listing by Functional Grouping
3.2.3.1
Clock Pins
For more information on the clock pins, see
Figure 4-2
and
Figure 4-3
.)
Table 3-3.
Clock Pins
Pin
Name
Pin
Type
Pin Description
ADCRCLK
Input or
Output
Analog-to-Digital Converter Reference Clock.
This pin outputs a half-rate pixel clock for latching digital output pixel data.
Typically, this pin connects to an LCD panel controller/scaler.
In this table, see also CLK.
ADCSYNC
Input or
Output
Analog-to-Digital Converter Sync.
This pin provides a recovered HSYNC signal (that is, an HSYNC signal conditioned by a
Schmitt trigger) that aligns to ADCRCLK.
For some previous ICS chips, the ADCSYNC pin is called FUNC.
CLK
Output
Clock.
This pin outputs the full-rate pixel clock for latching digital output pixel data.
In this table, see also ADCRCLK.
HSYNC
Input
Horizontal Sync.
(See
Table 3-6
.)
MCLK
Output
Memory Clock.
This pin provides an independent user-programmable clock source.
Typically, this pin is used by LCD panel controller/scaler chips or microcontrollers.
OSCOUT
Output
Oscillator Output.
This output from this pin is from a crystal oscillator.
The output frequency is one of the following:
– The same frequency as the input frequency to the crystal oscillator
– The frequency that results when the input frequency is divided by a programmable
value
PNLCLK
Output
Panel Clock.
This pin provides an independent user-programmable clock source.
Typically, this pin is used by LCD panel controller/scaler chips or microcontrollers.
REF
Output
Reference.
This pin provides various reference line clock sync signals.
SCL
Input
Serial Clock.
(See
Table 3-7
.)
XIN
Input
Crystal Input.
This pin accepts input from one of the following:
A 14.31818-MHz crystal
An external clock source
XOUT
Output
Crystal Output.
Do one of the following with this pin:
Connect it to a 14.31818-MHz crystal.
Leave it open for an external clock source.
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