5.0 Serial Programming Interface and Registers
5.4 Register Detail
Bt860/861
Multiport YCrCb to NTSC/PAL /SECAM
Register 16
Default
Value
Register
D7
D6
D5
D4
D3
D2
D1
NI
D0
16
10
SC_RESET VSYNC_DUR
625LINE
SETUP
PAL
FM
SLAVE
SC_RESET
Subcarrier Reset
0 = Subcarrier phase reset at beginning of each color field sequence.
1 = Disable subcarrier reset.
VSYNC_DUR
Analog and Digital Vertical Sync Duration
Specifies the duration of the digital vertical sync pulse and the duration of the analog
pre-equalization, post-equalization, and serration pulses.
0 = 3 lines.
1 = 2.5 lines.
625LINE
SETUP
PAL
Number of Lines per Frame
0 = 525-line format.
1 = 625-line format.
Setup
0 = 7.5 IRE setup disabled.
1 = 7.5 IRE setup enabled.
Phase Alternation
0 = Disable phase alternation (NTSC and SECAM).
1 = Enable phase alternation (PAL).
FM
FM Modulation
0 = QAM chroma encoding (NTSC/PAL).
1 = FM chroma encoding (SECAM).
NI
Non-Interlace Enable
0 = Interlaced field operation.
1 = Non-interlaced field operation.
SLAVE
Master/Slave Control
0 = Generate video timing for other devices (master mode).
1 = Accept video timing from other devices (slave mode).
(See also register bits EN656 and SYNC_CFG.)
5-18
Conexant
D860DSA