參數(shù)資料
型號: SAA7378GP
廠商: NXP Semiconductors N.V.
英文描述: Single Chip Digital Servo Processor and Compact Disc Decoder
中文描述: 單片機數(shù)字伺服處理器和光盤解碼器
文件頁數(shù): 33/45頁
文件大?。?/td> 224K
代理商: SAA7378GP
Philips Semiconductors
Preliminary specification: Version 1.0
May 1995
33
Digital Servo Processor and Compact Disc Decoder (CD7)
SAA7378GP
9.7
A list of the servo commands are given below; note that these are not fully backwards compatible with DSIC2:
Summary of Servo Commands
Table 2 CD7 Servo Commands.
WRITE COMMANDS
code
17h
bytes
7
parameters
<foc_parm3> <foc_int> <ramp_incr> <ramp_height> <ramp_offset> <FE_start>
<foc_gain>
<defect_parm> <rad_parm_jump> <vel_parm2> <vel_parm1> <foc_parm1>
<foc_parm2> <CA_drop>
<foc_mask> <foc_stat> <shock_level>
<foc_gain> <foc_parm1>
<foc_gain> <foc_parm1>
<rad_length_lead> <rad_int> <rad_parm_play> <rad_pole_noise> <rad_gain>
<sledge_parm2> <sledge_parm_1>
<chip_init>
"1Ch"
"3Ch"
<tracks_hi> <tracks_lo> <rad_stat>
<brake_dist> <sledge_U_max> <tracks_hi> <tracks_lo> <rad_stat>
<sledge_level>
<re_offset> <re_gain> <sum_gain>
<param_ram_addr> <param_data>
Write_focus_coefs1
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_Latch
Radial_off
Radial_init
Short_jump
Long_jump
Steer_sledge
Preset_init
Write_parameter
81h
C1h
C1h
C3h
C5h
B1h
93h
A2h
1
1
1
3
5
1
3
2
READ COMMANDS
code
70h
F0h
bytes
up to 5
up to 3
parameters
<foc_stat> <rad_stat> <rad_int_lpf> <tracks_hi> <tracks_lo>
<re_offset> <re_gain> <sum_gain>
Read_status
Read_aux_status
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