Regc; Usbm; Usbp; Usbpuc - NEC mPD78F0730 Preliminary User's Manual

8-bit single-chip microcontroller
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2.2.7 REGC

This is the pin for connecting regulator output (2.5 V) stabilization capacitance for internal operation. Connect this
pin to V
via a capacitor (0.47 to 1.0
SS
Caution Keep the wiring length as short as possible for the broken-line part in the above figure.

2.2.8 USBM

This is the pin for inputting/outputting data (−) to USB ports.

2.2.9 USBP

This is the pin for inputting/outputting data (+) to USB ports.

2.2.10 USBPUC

This is the pin for controlling pull-up resistors connected to USB ports.

2.2.11 USBREGC

This is the pin for connecting regulator output (3.3 V) stabilization capacitance for USB ports. Connect this pin to
V
via a capacitor (0.47 to 1.0
SS
2.2.12 V
and EV
DD
V
is the positive power supply pin for P121, P122 and other than ports.
DD
EV
is the positive power supply pin for ports other than P121 and P122.
DD
2.2.13 V
and EV
SS
V
is the ground potential pin for P121, P122 and other than ports.
SS
EV
is the ground potential pin for ports other than P121 and P122.
SS

2.2.14 FLMD0

This is a pin for setting flash memory programming mode.
Connect FLMD0 to EV
In flash memory programming mode, connect this pin to the flash programmer.
26
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CHAPTER 2 PIN FUNCTIONS
µ
F: recommended).
µ
F: recommended).
DD
SS
or V
in the normal operation mode.
SS
SS
Preliminary User's Manual U19014EJ1V0UD
REGC
V
SS

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