W88113C Datasheet, PDF (97/102 Pages) Winbond – ATAPI CD-ROM DECODER & CONTROLLER

W88113C
power_on
read_command
decoder_restart
others
set TSL(83h)
BICCTL(9Ah) = B0h
BUFLIM(9Bh) =
buf_lim
return
decoder_ini
CTRLW(10h) = 50h
cache_check
cahce_hit?
yes
no
decoder_restart
set HICTL(1Fh)
ASCTRL(18h) = 74h
set TWCH/L(03h/02h)
set TACH/L(05h/04h)
SRIb(01h.r5)
yDec_Idle?
yes
no
decoder_stop
TCC(9Dh) = 00h
N - 1 = ring_size
TBH/L(25h/24h) = 00h
decoder_ini
return
yMonitor_Mode = 1
yDec_Idle = 0
decoder_on
return
decoder_on
ACCTL(9Ch) = 111xxxxxb
set SKIPC(9Eh)
set TTC(9Fh)
return
yMonitor_Mode?
yes
Target(84h-86h) = T - 1
no
set BIA(09h/08h)
DDB(29h/28h) = N - 1
Tarctl(80h) = 10xx1111b
CTRL0(0Ah) = 80h
return
CTRL1(0Bh)
= F0h for mode 1
= F8h for mode 2
Mask(8Ch) = 80h
ENCTL2(5Ch) = 09h
yMonitor_Mode?
no
yes
TNFI(80h.1) or
LTTI(80h.2)
N - 1 = DDB(29h/28h)
no
yes
T - 1 = Target(84h-86h) - 1
yMonitor_Mode = 0
decoder_on
decoder_stop
return
return
decoder_stop
CTRLW(10h) = 10h
CTRL0(0Ah) = 00h
ENCTL2(5Ch) = 08h
CTRL0(0Ah) = A7h
return
yDec_Idle = 1
return
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Publication Release Date: Mar. 1999
Revision 0.61