AN8725FH Datasheet, PDF (31/36 Pages) Panasonic Semiconductor – Semiconductor laser power control IC

ICs for Optical Disk Drive
s Application Notes (continued)
4. Signal flow
DT0 to DT7
AD0 ₄
to AD3
XWR
XRD
WR0
RD0
WR1
RD1
WR2
RD2
WR3
RD3
WR4
RD4
WR5
RD5
WR6
RD6
WR7
RD7
WR8
RD8
WR9
RD9
WRA
RDA
WRB
RDB
WRC
RDC
WRE
RDE
WRF
RDF
AN8725FH
DAC78
4
"0" register
4
DAC1
"1" register
8
DAC2
"2" register
8
DAC3
"3" register
8
DAC4
"4" register
4
DAC56R
8
"5" register
DAC56W
"6" register
8
CNTL1
"7" register
CNTL2
"8" register
CNTL3
"9" register
ERRMSK
"A" register
ERRFAC
"B" register
DAC9
5
"C" register
DUMY
"E" register
LDDENB
"F" register
DAC7
DAC8
DAC1
DAC2
DAC3
DAC4
DAC5
DAC6
DAC9
31