Pioneer DJM-350 Service Manual page 18

1
A
V+5USB to OFF, corresponding to Startup mode.
[RAM initialization and loading of essential programs]
• All regions of SDRAM: Null
• Null everything other than internal RAM stack.
• Transferring a temporary vector table and entity to
internal RAM.
• Transferring a slow-operation program for Eco
B
mode to retention RAM.
• Transferring IPL from FLASH-ROM to SDRAM.
Setting vector base register to internal RAM
[Cache setting]
Enables only instruction cache
[Jumping to program loader]
• If an error in firmware updating is detected,
C
the program for emergency booting will be
transferred to the SDRAM.
• In cases other than the above, the program for
normal startup will be transferred to the SDRAM.
Power ON
[Normal mode]
Process corresponding to each mode
D
Is shifting to Standby mode
commanded by Standby button?
Is the AC-OFF flag ON?
E
Is the Power failure flag ON?
* Eco mode:
Low-speed and low-power-consumption mode provided for the CPU
to be operated only on power supply from the standby transformer.
F
18
1
2
A
YES
NO
YES
NO
YES
NO
2
3
B
Setting for shifting to Standby mode during operation
[Set the CPU operation clock to the minimum value.]
Internal: 133 MHz, Bus: 66 MHz, Periphery: 33 MHz
↓
Internal: 133 MHz, Bus: 66 MHz, Periphery: 11 MHz
All modules other than CMT: Standby
[Port setting 2 for Standby mode]
SSI data output port: Fixed at low
LED scan port: Low output
AD multiplexer selection port: Low output
Green power LED port: Input enabling HiZ
DMA: Stop
SRC : Stop
SSI output : Muting
ADC power : OFF
SSI input : Muting
DAC power : OFF
Stop of M clock
[Port setting for Standby mode]
MIC/CH1/CH2 input selector port: Low output
AD conversion: Stop
PWM output: OFF
V+5USB: OFF
Muting ON
DJM-350
3
4
4