CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 43

• 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

Background Color Register
Address
GPIO Control Register
Address
GPIO Data Register
Address
Sync Register 0
Address
DS278F6
Bit Number
Bit Name
Default
Bit Number
Bit Name
Default
Bit Number
Bit Name
Default
Bit Number
Bit Name
Default
Bit
7:0
Bit
7:0
Bit
7:0
Bit
7:3
2:0
PROG HS[10:8]
PROG VS[4:0]
GPR CNTRL
Mnemonic
Mnemonic
Mnemonic
Mnemonic
GPIO REG
BG
0
0
0
0
×
×
×
×
7
0
7
0
7
0
7
1
08
09
0A
0D
Background color (7:5 = R, 4:2 = G, 1:0 = B) (default is 0000 0011 - blue)
Input(0)/output(1) control of GPIO registers (bit 0: PDAT(0), bit 7: PDAT(7))
GPIO data register ( data is output on PDAT bus if appropriate bit in address 09 is
set to “1”, otherwise data is input/output through I²C)- This register is only accessible
in I²C mode.
programmable vsync lines
programmable hsync pixels (3 most significant bits)
BKG_COLOR Read/Write
GPIO__REG
GPIO_REG
Sync_0
6
0
6
0
6
0
6
0
PROG VS[4:0]
5
0
5
0
5
0
5
0
Read/Write
Read/Write
Read/Write
4
0
4
0
4
0
4
1
GPR_CNTRL
GPIO REG
BG
Default Value = 03h
Default Value = 00h
Default Value = 00h
Default Value = 90h
Function
Function
Function
Function
3
0
3
0
3
0
3
0
2
0
2
0
2
0
2
0
CS4954 CS4955
PROG HS[10:8]
1
1
1
0
1
0
1
0
0
1
0
0
0
0
0
0
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