CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 41

• 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

Control Register 3
Address
Control Register 4
Address
NOTE: 1. The FIELD pin (pin 9) remains an output pin in SLAVE mode. However, the FIELD pin state does not
DS278F6
Bit Number
Bit Name
Default
Bit Number
Bit Name
Default
Bit
Bit
7:5
7
6
5
4
3
2
1
0
4
3
2
1
0
toggle in SLAVE mode and its output state should be considered random.
SVIDCHR_PD
COMDAC_PD
SVIDLUM_PD
CB_FLD_SEL
CB_H_SEL
Mnemonic
CB_H_SEL
FD THR_EN
Mnemonic
FD THR C1
FD THR C2
FD THR SV
G_PD
R_PD
B_PD
7
0
0
0
CBAR
×
×
03
-
04
7
0
CB_FLD_SEL
RESERVED
Composite Blank / HSYNC output select (1 = CB select, 0 = HSYNC select)
Composite Blank / FIELD output select (1 = CB select, 0 = FIELD select)
power down composite DAC
0: power up, 1: power down
power down luma s-video DAC
0: power up, 1: power down
power down chroma s-video DAC
0: power up, 1: power down
power down red rgb video DAC
0: power up, 1: power down
power down green rgb video DAC
0: power up, 1: power down
power down blue rgb video DAC
0: power up, 1: power down
CONTROL_3
CONTROL_4
reserved
feedthrough enabled for composite 1 output (0 = off, 1 = on)
feedthrough enabled for composite 2 output (0 = off, 1 = on)
feedthrough enabled for s-video (on luma signal) (0 = off, 1 = on)
Enable (1 = enable) input to feed through during inactive lines
internal color bar generator (0 = off, 1 = on)
6
0
6
0
(1)
COMDAC_PD SVIDLUM_PD SVIDCHR_PD
5
0
Read/Write
Read/Write
5
1
FD THR C1 FD THR C2 FD THR SV FD THR EN
4
0
4
1
Default Value = 00h
Default Value = 3Fh
Function
Function
3
0
3
1
2
0
CS4954 CS4955
R_PD
2
1
1
0
G_PD
1
1
(1)
CBAR
B_PD
0
0
0
1
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