Main Control Board - EDAN F15 Series Service Manual

F15 Series Fetal & Maternal Monitor Service Manual
Interface Board
Lou
dspe
aker
Wireless
transducer/
NIBP&Spo
2 module

6.1.1 Main Control Board

The main control board applied in F15 includes communication interfaces like USB,
Ethernet, HDMI, UART, SPI, I2C, and SDIO. It fulfills the following function: control of WIFI
communication module, wireless AP module, battery charging, and power control when
switching on/off the monitor, audio playing, and control of thermal printer. The parameters of this
main control board are listed below:
Power
Processor
Net Port
EMS Memory
Bottom
Main Control Board
AP
Thermal Printer
Display/touching Module
Figure 6-1. F15 System principle block diagram
24V, +12V, +5V
Kernel: ARM Cortex A9
Work frequency: 400MHz
External bus frequency: 133MHz
Dictate Cache: 32K bytes
Data Cache: 32K bytes
10/100M Standard Ethernet port
DDRIII 1G
: byte
Flash: program + data
AC-DC
Power
Board
DC-DC
Transfer
Board
Batt
ery
4G
bytes
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Principle Introduction
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Con
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