Example Of Connection With Dedicated Flash Programmer - NEC PD789860 User Manual

Figure 17-3. Example of Connection with Dedicated Flash Programmer
Note When supplying the system clock from a dedicated flash writer, connect the CLK and X1 pins and cut off the
resonator on the board. When using the clock oscillated by the on-board resonator, do not connect the CLK
pin.
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 VDD pin, supply
voltage before starting programming.
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CHAPTER 17
(a) Pseudo 3-wire (
Dedicated flash programmer
VPP1
VDD
RESET
SCK
SO
SI
Note
CLK
GND
(b) Pseudo 3-wire (µPD78E9861A)
Dedicated flash programmer
VPP1
VDD
RESET
SCK
SO
SI
CLK
GND
User's Manual U14826EJ5V0UD
µ
PD78E9860A, 78E9861A
µ
PD78E9860A)
µ
PD78E9860A
V
PP
V
DD
RESET
P00 (serial clock)
P02 (serial input)
P01 (serial output)
X1
V
SS
µ
PD78E9861A
V
PP
V
DD
RESET
P00 (serial clock)
P02 (serial input)
P01 (serial output)
P03
V
SS