參數(shù)資料
型號(hào): SAA7348GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: All Compact Disc Engine ACE
中文描述: 8-BIT, MROM, 35 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 44/60頁
文件大?。?/td> 205K
代理商: SAA7348GP
1997 Jul 11
44
Philips Semiconductors
Preliminary specification
All Compact Disc Engine (ACE)
SAA7348GP
8.4
Summary of servo commands
The servo commands are listed in Table 33.
Table 33
Servo commands
COMMANDS
CODE
BYTES
PARAMETERS
Write commands
Preset_Latch
Write_focus_coefs1
81H
17H
1
7
<chip_init>
<foc_parm_3> <foc_int> <ramp_incr> <ramp_height> <ramp_offset>
<FE_start> <foc_gain>
<defect_parm> <rad_parm_jump> <vel_parm2> <vel_parm1>
<foc_parm_1> <foc_parm_2> <CA_drop>
<foc_mask> <foc_stat> <shock_level>
<foc_gain> <foc_parm_1>
<foc_gain> <foc_parm_1>
<rad_length_lead> <rad_int> <rad_parm_play> <rad_pole_noise>
<rad_gain> <sledge_parm_2> <sledge_parm_1>
<RE_offset> <RE_gain> <sum_gain>
1Ch
3Ch
<offtrack_hi> <offtrack_lo> <rad_stat>
<brake_dist_max> <sledge_U_max> <offtrack_hi> <offtrack_lo>
<rad_stat>
<sledge_Uout>
<deccmd>
<param_ram_addr> <param_data>
Write_focus_coefs2
27H
7
Write_focus_command
Focus_gain_up
Focus_gain_down
Write_radial coefs
33H
42H
62H
57H
3
2
2
7
Preset_init
Radial_off
Radial_init
Short_jump
Long_jump
93H
C1H
C1H
C3H
C5H
3
1
1
3
5
Steer_sledge
Write_decoder_reg
Write_parameter
B1H
D1H
A2H
1
1
2
Read commands
Read_status
Read_aux_status
Read_Q_subcode
Read_hilevel_status
70H
F0H
0H
E0H
up to 5
up to 3
up to 12 <Q_sub1 to 10> <peak_l> <peak_r>
up to 4
<intreq> <decstat> <seqstat> <motorstarttime>
<foc_stat> <rad_stat> <rad_int_lpf> <offtrack_hi> <offtrack_lo>
<RE_offset> <RE_gain> <sum_gain> <foc_error> <rad_error>
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