ICS1531 Datasheet, PDF (12/76 Pages) Integrated Circuit Systems – Triple 8-bit MSPS A/D Converters with Line-Locked Clock Generator

ICS1531 Data Sheet - Preliminary
Chapter 3 Pin Diagram and Listings
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
ADCRCLK
ADCSYNC
CLK
HSYNC
MCLK
OSCOUT
PNLCLK
REF
SCL
XIN
XOUT
Pin
Type
Pin Description
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.
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.
Output Clock.
• This pin outputs the full-rate pixel clock for latching digital output pixel data.
• In this table, see also ADCRCLK.
Input Horizontal Sync. (See Table 3-6.)
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.
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
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.
Output Reference.
This pin provides various reference line clock sync signals.
Input Serial Clock. (See Table 3-7.)
Input
Crystal Input.
This pin accepts input from one of the following:
• A 14.31818-MHz crystal
• An external clock source
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.
ICS1531 Rev N 12/1/99
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
12
December, 1999