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Chapter 7
Ports
Oscillators
DRST
Power supply
274
The V850 port pins adopts following status during serial programming:
Ports used for programming are configured as UART respectively CSI pins.
All other pins remain in their default state after reset release.
In case the default state after reset of the pins not used for programming is
inport port or high -impedance output port, pay attention to other devices
connected to these pins. If these devices require defined levels at the pins, the
ports may have to be connected to V
Connect all oscillator pins in the same way as in the normal operation mode.
During flash memory programming, input a low level to DRST or leave it open.
Do not input a high level.
Supply the same power to all power supply pins, including reference voltages,
power regulator pins, etc., as in the normal operation mode.
User's Manual U18743EE1V2UM00
or V
via a resistors.
DD
SS
Flash Memory
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