
1995 Oct 18
70
Philips Semiconductors
Product specification
One Chip Front-end 1 (OCF1)
SAA7110; SAA7110A
23.1
CODE 0 STARTUP and STANDARD Procedure
SLAVE 9C
SUB 00 WRITE
4C 3C 0D EF BD F0 00 00
F8 F8 60 60 00 06 18 90
00 2C 40 46 42 1A FF DA
F0 8B 00 00 00 00 00 00
D9 17 40 41 80 41 80 4F
FE 01 CF 0F 03 01 81 03
44 75 01 8C 03
SUB 21 WRITE 16
READ 1
#STANDARD
IF 1 @XX0XXX00
THEN GOTO BW_50Hz
ENDIF
IF 1 @XX1XXX00 !NO COLOR
THEN GOTO BW_60Hz
ENDIF
SUB 06 WRITE 00
ENDIF
IF 1 @XX1XXXXX !60Hz
THEN GOTO NTSC
ENDIF
IF 1 @XX0XXXXX !50Hz
THEN GOTO PAL
ENDIF
#BW_50Hz
PRINT "BLACK&WHITE"
SUB 06 WRITE 80
SUB 2E WRITE 9A !VBPS
GOTO STOP
#BW_60Hz
PRINT "BLACK&WHITE"
SUB 06 WRITE 80
SUB 2E WRITE 81 !VBPS
GOTO STOP
#NTSC
SUB 0D WRITE 06 !SECS -> 0
SUB 11 WRITE 2C !CHCV
SUB 2E WRITE 81 !VBPS
PRINT "NTSC"
GOTO STOP
#PAL
SUB 0D WRITE 06 !SECS -> 0
SUB 11 WRITE 59 !CHCV
SUB 2E WRITE 9A !VBPS
PAUSE %150 !150ms
IF 1 @XX0XXX01
THEN GOTO SECAM
ELSE PRINT "PAL"
GOTO STOP
!OCF1 NTSC-setup
!REFS OFF CLAMP AKTIV
!Status
!NO COLOR
#SECAM
SUB 0D WRITE 07 !SECS -> 1
PRINT "SECAM"
GOTO STOP
#STOP
23.2
MODE 0 Source Select Procedure
SLAVE 9C !OCF1
SUB 06 WRITE 00 !CVBS MODE 0
SUB 20 WRITE D9 !AI21 ACTIVE
SUB 21 WRITE 17 !REFS ON
SUB 22 WRITE 40 !AD2->LUMA and CHROMA
SUB 2C WRITE 03 !CLAMP SELECT
SUB 30 WRITE 44 !Gain AD2 active
SUB 31 WRITE 75 !AOSL -> 01b
SUB 21 WRITE 16 !REFS OFF CLAMP AKTIV
23.3
MODE 1 Source Select Procedure
SLAVE 9C !OCF1
SUB 06 WRITE 00 !CVBS MODE 1
SUB 20 WRITE D8 !AI22 ACTIVE
SUB 21 WRITE 17 !REFS ON
SUB 22 WRITE 40 !AD2->LUMA and CHROMA
SUB 2C WRITE 03 !CLAMP SELECT
SUB 30 WRITE 44 !Gain AD2 active
SUB 31 WRITE 75 !AOSL -> 01b
SUB 21 WRITE 16 !REFS OFF CLAMP AKTIV
23.4
MODE 2 Source Select Procedure
SLAVE 9C !OCF1
SUB 06 WRITE 00 !CVBS MODE 2
SUB 20 WRITE BA !AI31 ACTIVE
SUB 21 WRITE 07 !REFS ON
SUB 22 WRITE 91 !AD3->LUMA and CHROMA
SUB 2C WRITE 03 !CLAMP SELECT
SUB 30 WRITE 60 !Gain AD3 active
SUB 31 WRITE B5 !AOSL -> 10b
SUB 21 WRITE 05 !REFS OFF CLAMP AKTIV
23.5
MODE 3 Source Select Procedure
SLAVE 9C !OCF1
SUB 06 WRITE 00 !CVBS MODE 3
SUB 20 WRITE B8 !AI32 ACTIVE
SUB 21 WRITE 07 !REFS ON
SUB 22 WRITE 91 !AD3->LUMA and CHROMA
SUB 2C WRITE 03 !CLAMP SELECT
SUB 30 WRITE 60 !Gain AD3 active
SUB 31 WRITE B5 !AOSL -> 10b
SUB 21 WRITE 05 !REFS OFF CLAMP AKTIV