SAA7348GP Datasheet, PDF (46/60 Pages) NXP Semiconductors – All Compact Disc Engine ACE

Philips Semiconductors
All Compact Disc Engine (ACE)
Preliminary specification
SAA7348GP
PARAMETER
sledge_parm_1
sledge_parm_2
pulse_time
pulse_height
defect_parm
shock_level
playwatchtime
jumpwatchtime
wradcontrol
chip_init
xtra_preset
deccmd
interruptmask
seq_state
FocusStartTime
MotorStartTime1
MotorStartTime2
RadialInitTime
BrakeTime
RadCmdByte
osc_frequency
detect_phase
injectlevel1
injectlevel2
agc_gain
RAM
ADDRESS
36H
17H
46H
64H
−
−
54H
57H
59H
−
4AH
4DH
53H
42H
5EH
5FH
60H
61H
62H
63H
68H
67H
69H
6AH
6CH
AFFECTS
POR VALUE
DETERMINES
sledge
sledge
pulsed sledge
pulsed sledge
defect detector
shock detector
watchdog
watchdog
watchdog
set-up
set-up
decoder interface
STATUS pin
autosequencer
autosequencer
autosequencer
autosequencer
autosequencer
autosequencer
autosequencer
focus/radial AGC
focus/radial AGC
focus/radial AGC
focus/radial AGC
focus/radial AGC
−
sledge integrator crossover frequency
shock filter
−
sledge low-pass frequencies
sledge gain
sledge operation mode
−
control pulse width
−
control pulse height
−
defect detector setting
−
shock detector operation
−
radial on-track watchdog time
−
radial jump watchdog time-out
−
enable/disable automatic radial off feature
−
V_RH level setting
enable/disable decoder interface
decoder interface speed
interrupt request polarity
fast radial brake
38H
laser on/off
RA, FO, SL PDM modulating frequency
enable/disable fast brake
fast jumping circuit on/off
−
send commands to decoder
−
enabled interrupts
−
autosequencer control
−
focus start time
−
motorstart1 time
−
motorstart2 time
−
radial initialisation time
−
brake time
−
radial command byte
−
AGC control
frequency of injected signal
−
phase shift of injected signal
−
amplitude of signal injected
−
amplitude of signal injected
−
focus/radial gain
1997 Jul 11
46