Mcube CubeScan BioCon-500 Service Manual page 28

Service Manual for BioCon-500
The function of each module in the control board is as below.
Classification
Power Block
USB Interface Block
Memory Block
FPGA
LCD Interface Block
Printer Interface
Block
Mcube Technology Co., Ltd.
www.mcubetech.co.kr
TM
Supplies various powers required in control board.
Provides USB interface with PC and supports USB 1.1 full speed.
The connector type is standard USB B type.
<Picture of USB cable>
The memory block has a control S/W and a booting S/W and it
includes RAM memory required in driving the control S/W.
Referenc
Capacity
e NO.
U1 8M bits
U2 8M bits
U3 8M bits
(Configuration of memory)
A module performing such functions as chattering removal for key
input by the user, serial data transmission to the thermal printer,
motor control logic, and memory decoder.
Provides interface with LCD.
A module to drive motor of thermal printer.
Function
Type Purpose
SRAM RAM section
Flash ROM Control device
Booting
Flash ROM Store scan data &
system information
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