5.0 Serial Programming Interface and Registers
5.4 Register Detail
Bt860/861
Multiport YCrCb to NTSC/PAL /SECAM
Register 42–43
Default
Value
Register
42
D7
D6
D5
D4
D3
D2
D1
D0
80
CCB1[7:0]
CCB2[7:0]
43
80
CCB1[7:0]
First Byte of Closed Captioning Information
Data is encoded LSB first.
CCB2[7:0]
Second Byte of Closed Captioning Information
Data is encoded LSB first.
Register 44–45
Default
Value
Register
D7
D6
D5
D4
D3
D2
D1
D0
44
45
4A
01
CCSTART[7:0]
Reserved
CCSTART[8]
Reserved bits should be set to zero when written and will return zero when read.
CCSTART[8:0]
Closed Captioning or Extended Data Services Start Placement
Number of clocks from leading edge of HSYNC* to start of Closed Captioning or Extended Data
Services clock run-in.
Default value is correct for 27 MHz operation.
Register 46–47
Default
Value
Register
D7
D6
D5
D4
D3
D2
D1
D0
46
47
8C
09
CCADD[7:0]
Reserved
CCADD[11:8]
Reserved bits should be set to zero when written and will return zero when read.
CCADD[11:0] Closed Captioning or Extended Data Services DTO Increment
Defines the width of Closed Captioning or Extended Data Services waveform.
Default value is correct for 27 MHz operation.
5-32
Conexant
D860DSA
CONEXANT [ CONEXANT SYSTEMS, INC ]
