DJM-1000
128
1
2
3
4
1
2
3
4
C
D
F
A
B
E
7.1.2 POWER ON SEQUENCE
SYSTEM CPU
CPU register setting
Port setting
Interrupt setting
Communication setting
Timer setting
A/D conversion
setting
Initial setting of
internal RAM
Initial setting of
headphone IC
Confirmation
of test mode
Cancel the mute
Communicate from pins 58, 60 and 61.
To normal processing
Normal processing
• Main loop (About 2 msec periods)
Processing contents
Processing of AD conversion value
Processing of the key
Data processing from the DSP
LINK communication
SRC communication
• Timer interruption 0 (500
µ
sec periods)
Processing contents
Processing of the key matrix input
Processing of the LED display control
Processing of the digital volume output
Processing of the internal counter
• Timer interruption 1 (100
µ
sec)
Processing contents
Switching of AD conversion
• Timer interruption 2 (125
µ
sec)
• Timer interruption 3 (60
µ
sec)
Processing contents
LED control
Содержание DJM-1000
Страница 13: ...DJM 1000 13 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 21: ...DJM 1000 21 5 6 7 8 5 6 7 8 C D F A B E A 2 4 1 4 A FROM FROM ...
Страница 43: ...DJM 1000 43 5 6 7 8 5 6 7 8 C D F A B E CN4 A 4 4 L VISUAL MIDI TX SELECTOR ...
Страница 48: ...DJM 1000 48 1 2 3 4 1 2 3 4 C D F A B E 3 19 PANEL1 ASSY CN202 A 1 4 CN4013 S CN4010 S P PANEL1 ASSY DWX2427 P ...
Страница 49: ...DJM 1000 49 5 6 7 8 5 6 7 8 C D F A B E CN4012 S CN901 T CN902 W P ...
Страница 50: ...DJM 1000 50 1 2 3 4 1 2 3 4 C D F A B E 3 20 PANEL2 and ISOLATOR ASSYS Q R ISOLATOR ASSY DWX2425 R ...
Страница 51: ...DJM 1000 51 5 6 7 8 5 6 7 8 C D F A B E Q CN4002 S CN4001 S CN907 M PANEL2 ASSY DWX2428 Q ...
Страница 168: ...DJM 1000 168 1 2 3 4 1 2 3 4 C D F A B E Jigs list Jig No Jig Name Remarks GGF1490 RS 232C jig used for version up mode ...