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P&E’s Embedded Multilink circuitry populated on the bottom
RS-232 Serial Port w/ DB9-F Connector
SCI signals connected to P&E’s Embedded Multilink through jumpers
ON/OFF Power Switch w/ LED indicator
A 5VDC to 8VDC power supply input barrel connector
Note:
The DEMOQE board power connector is incorrectly labelled as 5-12VDC.
The maximum voltage is 8VDC.
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Power Input Selection Jumpers for selecting the input voltage source:
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Power Input from Embedded Multilink to LDO regulator
Power Input from DC Power Jack to LDO regulator
Regulated VDD Output at 3.0V
Regulated VDD Output at 2.1V
Power Input from Battery
Power Input from MCU_PORT connector
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RESET Push Button and LED indicator w/ Enable
Optional External Crystal Circuitry Layout (not populated)
User Features:
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3-axis Accelerometer w/Enable
8 User LED’s w/ Enable
4 User Push Buttons w/ Enable
1 Piezzo Buzzer w/ Enable
IIC Pullups w/ Enable
10K Ohm POT w/ Enable
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Option Jumpers:
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COM_EN for 1.8V to 4.25V RS232 Transceiver
TXD_EN for SCI_TXD to Embedded Multilink
RXD_EN for SCI_RXD to Embedded Multilink
INPUT_EN for two input channels to Embedded Multilink
DEMO9S08QB8 User Manual
3
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