CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 10
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CDB4955A
Manufacturer Part Number
CDB4955A
Description
EVALUATION BOARD FOR CS4955A
Manufacturer
Cirrus Logic Inc
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
TIMING CHARACTERISTICS
10
Parallel Host Port Timing (Figure 27, 28, 29)
Read Cycle Time
Read Pulse Width
Address Setup Time
Read Address Hold Time
Read Data Access Time
Read Data Hold Time
Write Recovery Time
Write Pulse Width
Write Data Setup Time
Write Data Hold Time
Write-Read/Read-Write Recovery Time
Address from Write Hold Time
Reset Timing (Figure 3)
Reset Pulse Width
RESET*
(Continued)
Figure 3. Reset Timing
T
res
Symbol
Twpw
Twdh
Twds
Twac
Trpw
Trda
Trah
Trdh
Trec
Tres
Twr
Trd
Tas
Min
100
60
30
10
10
60
40
50
3
8
3
0
-
CS4954 CS4955
Typ
-
-
-
-
-
-
-
-
-
-
-
-
Max
40
50
-
-
-
-
-
-
-
-
-
-
DS278F6
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns