Example Of Connection With Dedicated Flash Programmer - NEC switch User Manual

Figure 14-3. Example of Connection with Dedicated Flash Programmer
Dedicated flash programmer
Dedicated flash programmer
Note Connect this pin when the system clock is supplied from the dedicated flash programmer. If a resonator is
already connected to the X1 pin, the CLK pin does not need to be connected.
Caution The V pin, if already connected to the power supply, must be connected to the VDD pin of the
DD
dedicated flash programmer. When using the power supply connected to the V
voltage before starting programming.
µ µ µ µ PD78F9801
CHAPTER 14
(a) 3-wire serial I/O
VPP1 V
PP
VDD V
DD0
RESET RESET
SCK SCK10
SO SI10
SI SO10
Note
CLK X1
GND V
SS0
(b) Pseudo-3-wire
VPP1 V
PP
VDD V
DD0
RESET RESET
SCK P10
SO P12
SI P11
Note
CLK X1
GND V
SS0
User's Manual U12978EJ3V0UD
µ
PD78F9801
, V
DD1
, V
SS1
µ
PD78F9801
, V
DD1
, V
SS1
pin, supply
DD
193