upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 397

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

<R>
24.5.5 Port pins
same status as that immediately after reset. If external devices connected to the ports do not recognize the port
status immediately after reset, the port pin must be connected to V
24.5.6 Other signal pins
inverse signal to X2.
24.5.7 Power supply
the V
the voltage is monitored by the flash programmer.
When the flash memory programming mode is set, all the pins not used for flash memory programming enter the
Connect X1 and X2 in the same status as in the normal operation mode when using the on-board clock.
To input the operating clock from the programmer, however, connect the clock out of the programmer to X1, and its
To use the supply voltage output of the flash programmer, connect the V
To use the on-board supply voltage, connect in compliance with the normal operation mode.
However, be sure to connect the V
Supply the same other power supplies (EV
SS
pin to V
SS
of the flash programmer.
DD
and V
CHAPTER 24 FLASH MEMORY
DD
User’s Manual U16962EJ3V0UD
SS
, EV
pins to V
SS
, AV
DD
REF
and GND of the flash programmer, respectively, because
, and AV
DD
or V
SS
) as those in the normal operation mode.
SS
DD
via a resistor.
pin to V
DD
of the flash programmer, and
397