Specifications

2000 Jun 26 48
Philips Semiconductors Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
SAA7327
jumpwatchtime 57H Watchdog − radial jump Watchdog time-out
radcontrol 59H Watchdog − enable/disable automatic radial off feature
chip_init − set-up − enable/disable decoder interface
xtra_preset 4AH set-up 38H laser on/off
RA, FO and SL PDM modulating frequency
fast jumping circuit on/off
cd6cmd 4DH decoder
interface
− decoder part commands
interrupt_mask 53H STATUS pin − enabled interrupts
seq_control 42H autosequencer − autosequencer control
focus_start_time 5EH autosequencer − focus start time
motor_start_time1 5FH autosequencer − motor start 1 time
motor_start_time2 60H autosequencer − motor start 2 time
radial_init_time 61H autosequencer − radial initialization time
brake_time 62H autosequencer − brake time
RadCmdByte 63H autosequencer − radial command byte
osc_inc 68H focus/radial
AGC
− AGC control
frequency of injected signal
phase_shift 67H focus/radial
AGC
− phase shift of injected signal
level1 69H focus/radial
AGC
− amplitude of signal injected
level2 6AH focus/radial
AGC
− amplitude of signal injected
agc_gain 6CH focus/radial
AGC
− focus/radial gain
PARAMETER
RAM
ADDRESS
AFFECTS POR VALUE DETERMINES