9
Jumper list and description
Jumper
Description
J10
HVI Circuit –Reference Voltage Selector
Pin 1-2
Closed
SW1 is connected to VBAT level. This provides a HIGH voltage
level when switch SW1 is pressed.
Pin 2-3
Closed
SW1 is connected to GND level. This provides a LOW voltage
level whenswitch SW1 is pressed.
J11
HVI Circuit –Reference Voltage Selector
Pin 1-2
Closed
SW2 is connected to VBAT level. This provides a HIGH voltage
level when switch SW2 is pressed.
Pin 2-3
Closed
SW2 is connected to GND level. This provides a LOW voltage
level when switch SW2 is pressed.
J12
HVI Circuit –Reference Voltage Selector
Pin 1-2
Closed
Enable VBAT level to pullup resistor. This provides a HIGH
voltage level when switch SW2 is open.
Pin 2-3
Closed
Enable GND level to pullup resistor. This provides a LOW voltage
level when switch SW2 is open.
J13
Buzzer Control
Pin 1-2
Closed
Enable VBAT level to pullup resistor. This provides a HIGH
voltage level when switch SW2 is open.
Pin 2-3
Closed
Enable GND level to pullup resistor. This provide a LOW voltage
level when switch SW2 is open.
J14
Buzzer Power
Closing this jumper enables the Buzzer control by PP7 port.
J15
HVI Circuit –Reference Voltage Selector
Closing this jumper powers the Buzzer circuit.
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