CDB4955A Cirrus Logic Inc, CDB4955A Datasheet

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CDB4955A

Manufacturer Part Number
CDB4955A
Description
EVALUATION BOARD FOR CS4955A
Manufacturer
Cirrus Logic Inc
Datasheets

Specifications of CDB4955A

Main Purpose
Video, Video Processing
Embedded
Yes, Other
Utilized Ic / Part
CS4955
Primary Attributes
NTSC/PAL Digital Video Encoder
Secondary Attributes
Graphical User Interface, RS-232 Interface
Operating Frequency
27 MHz
Interface Type
RS-232, Composite, RGB, S-Video
Operating Supply Voltage
3.3 V, 5 V
Software
Software Included
Silicon Manufacturer
Cirrus Logic
Silicon Core Number
CS4955
Kit Application Type
Audio / Video / TV
Application Sub Type
Encoder / Decoder
Kit Contents
Evaluation Board
Rohs Compliant
No
For Use With/related Products
CS4954
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Features
l
l
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l
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Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
Demonstrates recommended layout and
grounding practices
Supports both parallel and serial digital
video input
On-board test pattern generation
Supports NTSC/PAL video formats
3.3 V or 5 V operation
Composite, S-Video, and RGB outputs
Supports Standalone mode via onboard
DIP switch
RS232 interface with PC
Single 6-9 V external DC power supply
Additional op-amps with open pads for
prototyping additional filters
I
D
B
9
INTERFACE
PC SERIAL
RXD
TXD
Switch
Reset
Reset
Evaluation Board for CS4954/55
Interface
RS-232
6.5 - 10VDC
POWER
INLET
PROGRAM
HEADER
MPU
TX
RX
RESET-
PROG
1
2
3
4
5
6
7
8
Regulator
Regulator
Microcontroller
Motorola 908
Hdr -
16PIN
+3.3V
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
+5V
3.3V
+5V
or
SDA_O
SCL
BUFFER
245
ISP
A/D7:0
RESET-
EEPROM
WR-
ALE
RD-
PLD
Copyright  Cirrus Logic, Inc. 2001
SDA
SCL
Description
The CDB4954A/55A board allows fast evaluation of the
features of the CS4954 digital video encoders. The
board may also be configured to accept external TTL
level timing and data signals for use during system
development.
Also, to simplify the demonstration of the features of the
CS4954, the CDB4954A/55A is equipped with an on-
board microcontroller and pre-programmed FLASH
memory to facilitate configuration and evaluation of the
CS4954 digital video encoder.
ORDERING INFORMATION
ADDR
RD-
WR-
DAT<7..0>
RST-
TEST
TTXD,
TTXRQ
TTX
/2
CCIR 656 SERIAL/ PARALELL
27MHz
(All Rights Reserved)
RECEIVER
DB25
CS4954
CDB4954A
CDB4955A
656_IN
FPGA
ECL
DATA
656
/8
INPUTS
CVBS
HS,VS,
FIELD
656
R
G
B
Y
C
SMPTE-259M
Interface
BNC
RESET-
RESET-
54MHZ
Addr
Data
Addr
Data
CTL
CTL
Hdr -
16PIN
1%
4K
SELECTABLE
IMPEDANCE
FILTERS
HI/LOW
Evaluation Board
Evaluation Board
CDB4954A/55A
OUT
FILT
OUT
FILT
OUT
FILT
OUT
FILT
OUT
FILT
OUT
FILT
OSC
SDRAM
Flash
u
PROGRAMMING
JUMPER
ENABLE
CONNECTORS
CONNECTOR
CONN.
DIN4
RCA
RCA
DS278DB2
MAY ‘01
1

Related parts for CDB4955A

CDB4955A Summary of contents

Page 1

... Also, to simplify the demonstration of the features of the CS4954, the CDB4954A/55A is equipped with an on- board microcontroller and pre-programmed FLASH memory to facilitate configuration and evaluation of the CS4954 digital video encoder. ORDERING INFORMATION CDB4954A CDB4955A CCIR 656 SERIAL/ PARALELL INPUTS Regulator +3.3V 3.3V DB25 ...

Page 2

TABLE OF CONTENTS 1. CDB4954A/55A SYSTEM OVERVIEW .................................................................................... 4 2. SETUP ACTIVITIES .................................................................................................................. 4 2.1 DIP Switch Options ............................................................................................................ 4 2.2 Control Port Software ......................................................................................................... 4 2.2.1 Changing a CS4954/5 or FPGA Register ............................................................. 4 2.2.2 Actions Menu ........................................................................................................ 5 ...

Page 3

LIST OF TABLES Table 1. System Connections ................................................................................................................ 7 Table 2. CBD4954 Jumper/Switch Settings........................................................................................... 7 Table 3. DIP Switch Settings ................................................................................................................. 8 CDB4954A/55A 3 ...

Page 4

CDB4954A/55A SYSTEM OVERVIEW The CDB4954A/55A Evaluation Board allows the CS4954/55 NTSC/PAL Digital Video Encoder ICs from Cirrus Logic to be evaluated with a variety of internal and external video signals. DIP switches on the evaluation board allow external serial ...

Page 5

Figure 1. CDB4954A/55A Evaluation Board Interface shown in Figure 2. You can directly enter the hex value for all bits in the register and click the OK button. This will set all bits at once. The new value will be ...

Page 6

Video Input Source Option This option selects the video source which will serve as input for the CS4954/55. Internal Video means all video content which is supplied by the FPGA. External parallel inputs use J4, the 25 pin D-Sub ...

Page 7

ENCODER 1.8 µH 330pF 270pF 300Ω Figure 3. 300 Ω Filters Connector J1 J4 J11 J12 J30 J14 J16 J19 J35 J26 . Header/Switch J2 Voltage Supply Select J5 Output Test Point for Serial J7 Receiver J6 Phase ...

Page 8

J34 GND Jumper for Dig Video Input High/Low Impedance Select J3 J13 J15 J17 NOTE: All Jumpers must be in J20 the same position, namely J21 High or Low. Also, only J22 change impedance loading J23 with the power off. ...

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