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DC10 E, DC20 E
TECHNICAL DESCRIPTION
1
1. PCB Functions
(1) MAIN PCB
System-Control Section
• IC100
SUB MI-COM
Low-voltage system control (POWER KEY detection, memory backup,
internal clock, charging)
• IC101
CCM MI-COM
System control (Camera/Card/Mode)
• IC103
FLASH
Flash-ROM for CCM MI-COM (8Mbit)
• IC104
3.2V REGULATOR
Power source for the SUB MI-COM and rechargeable power source for
the lithium battery
• IC105
RESET IC
SUB MI-COM resetting
• IC106
AND GATE
Ready signal for serial communication between CCM MI-COM and LAP
and DIGIC DV.
• IC810
AUDIO PLL
Master clock signal generation, audio signal output
Camera/Card Section
• IC1000 (DC20 E)
CDS/AD
2ch CCD output signal sampling, A/D converter
• IC1001 (DC10 E)
INVERTER
Oscillation circuit inverter
• IC1001 (DC20 E)
TG
CCD horizontal transfer pulse generation
• IC1002 (DC10 E)
TG/CDS/AGC/AD/V-DRIVER
2ch CCD output signal sampling, A/D converter,
CCD horizontal transfer pulse generation
• IC1002 (DC20 E)
MPX2
AGC, image composition, flaw correction
• IC1004 (DC10 E)
2.8V REGULATOR
2.8V regulator
• IC1101
SDRAM
Memory for DIGIC DV (64Mbit)
• IC1102
SDRAM
Memory for DIGIC DV (64Mbit)
• IC1103
DIGIC DV
Camera digital signal processing, card image processing
• IC1200
LENS DRIVER
Zoom, focus motor driver, IRIS driver, and gyro output amp
• IC1400
LAP Lens actuator processor
• IC1401
1.8V REGULATOR
1.8V regulator
Shock Proof section
• IC1650
SHOCK SENSOR
Shock sensor
• IC1651
SENSOR IC
Shock sensor IC
• IC2102
75OHM DRIVER
75
Ω
Video driver
BACK END section
• IC2300
BACK END
DVD signal processing LSI, FRONT END control (ATAPI),
BACK END MI-COM, LCD/CVF control
• IC2301
SRAM
DVD control, DVD management data, DVD backup (16Mbit)
• IC2302
BUFFER
Buffer for SRAM-CS
• IC2303
FLASH
Flash-ROM for BACK END MI-COM (64Mbit)
• IC2304
DDR SDRAM
Memory for BACK END (CODEC) (128Mbit)
• IC2305
DDR SDRAM
Memory for BACK END (CODEC) (128Mbit)
• IC2306
DDR SDRAM
Memory for BACK END (ATAPI Communication) (512Mbit)
PM section
• IC3200 (DC20 E)
3.1V REGULATOR
3.1V regulator
• IC3201
DC/DC CONVERTER CONTROL
Power PWM regulator controller
• IC3203
4.6V REGULATOR
4.6V regulator