CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 10

• 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