SAA7373 Datasheet, PDF (42/60 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder CD7

Philips Semiconductors
Digital servo processor and Compact Disc
decoder (CD7)
Product specification
SAA7373
PARAMETER
radcontrol
chip_init
xtra_preset
cd6cmd
interrupt_mask
seq_control
focus_start_time
motor_start_time1
motor_start_time2
radial_init_time
brake_time
RadCmdByte
osc_inc
phase_shift
level1
level2
agc_gain
RAM
ADDRESS
59H
−
4AH
4DH
53H
42H
5EH
5FH
60H
61H
62H
63H
68H
67H
69H
6AH
6CH
AFFECTS
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
POR
VALUE
−
−
38H
−
−
−
−
−
−
−
−
−
−
−
−
−
−
DETERMINES
enable/disable automatic radial off feature
V_RH level setting
enable/disable decoder interface
laser on/off
RA, FO and SL PDM modulating frequency
microcontroller communication to decoder part
decoder part commands
enabled interrupts
autosequencer control
focus start time
motor start 1 time
motor start 2 time
radial initialization 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
1998 Jul 06
42