SAA7385 Datasheet, PDF (45/64 Pages) NXP Semiconductors – Error correction and host interface IC for CD-ROM SEQUOIA

Philips Semiconductors
Error correction and host interface IC for
CD-ROM (SEQUOIA)
Preliminary specification
SAA7385
13 SUMMARY OF CONTROL REGISTER MAP
Table 77 Control register map for the SAA7385
ADDRESS
F085
F086
F08E
F091
F092
F093
F09A
F09B
F09E
F09F
F0A1
F0A2
F0A3
F0A4
F0A5
F0A6
F0A7
F0A9
F0AA
F0AB
F0AC
F0AD
F0AE
F0AF
F0B1
F0B2
F0B3
F0B4
F0B5
F0B6
F0B7
F0B9
F0BA
F0BB
F0BC
F0BD
F0BE
F0BF
F0C0
MNEMONIC
ECCCTL
ECCSTAT
NUM_COR
CLKSEL
MODE
FRMS
SECS
MINS
UARTCTL
PRGMEM
WTS2B
RDS2B
S2BSTAT
TCLOW
TCMID
FIFO
CMD
RDTK
RDMD
RDMN
STAT
INT
SEQSTP
FIFOFLG
RDSC
RDFM
WTPWM
CONFIG1
CLOCK
TEST
CONFIG2
WTGCTL
RDSW
FECTL
CONFIG3
CONFIG4
TCHIGH
FIFOBTM
BRGSEL
READ/WRITE
DESCRIPTION
R/W
ECC control register
R
ECC status register
R
ECC register for the number of corrections
W
start the clock synthesizer (doubler)
R
header mode byte from block decoder
R
header frame byte from block decoder
R
header seconds byte from block decoder
R
header minutes byte from block decoder
R/W
UART special control registers
R/W
program memory control registers
W
S2B UART transmit buffer
R
S2B UART receive buffer
R
S2B UART status register
R/W
53CF94 (00); transfer counter low
R/W
53CF94 (01); transfer counter middle
R/W
53CF94 (02); FIFO
R/W
53CF94 (03); command register
R
Q channel track number
R
Q channel mode number
R
Q channel minutes number (absolute)
R/W
53CF94 (04); status register and destination ID
R/W
53CF94 (05); interrupt register and time-out
R/W
53CF94 (06); sequence step and synchronous transfer period
R/W
53CF94 (07); FIFO flags and synchronous offset
R
Q channel seconds (absolute)
R
Q channel frames (absolute)
R/W
pulse width modulator duty cycle select
R/W
53CF94 (08); configuration register number 1
W
53CF94 (09); clock conversion factor
W
53CF94 (0A); test mode
R/W
53CF94 (0B); configuration register number 2
W
GLIC control registers (audio control)
R
drive control switches register
R/W
front-end control register
R/W
53CF94 (0C); configuration register number 3
R/W
53CF94 (0D); configuration register number 4
R/W
53CF94 (0E); transfer count high and SCSI ID
W
53CF94 (0F); FIFO bottom
R/W
baud rate generator select register
1996 Jun 19
45