NEC mPD780344 Series User Manual page 435

Figure 23-5. Example of Connection with Dedicated Flash Programmer (1/2)
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 and V
DD0 DD1
pin of the dedicated flash programmer. When using the power supply connected to the V
V pins, supply voltage before starting programming.
DD1
CHAPTER 23 µ PD78F0354, 78F0354Y
(a) 3-wire serial I/O (SIO3)
V
PP
V
DD
/RESET
SCK
SO/TxD
SI/RxD
Note
CLK
GND
(b) 3-wire serial I/O (SIO3) with handshake
V
PP
V
DD
/RESET
SCK
SO/TxD
SI/RxD
H/S
Note
CLK
GND
(c) 3-wire serial I/O (CSI1)
V
PP
V
DD
/RESET
SCK
SO/TxD
SI/RxD
Note
CLK
GND
pins, if already connected to the power supply, must be connected to the V
User's Manual U15798EJ2V0UD
µ
PD78F0354, 78F0354Y
V
PP
V , V , AV
DD0 DD1 DD
RESET
SCK3
SI3
SO3
X1
V , V , AV
SS0 SS1 SS
µ
PD78F0354, 78F0354Y
V
PP
V , V , AV
DD0 DD1 DD
RESET
SCK3
SI3
SO3
P33 (HS)
X1
V , V , AV
SS0 SS1 SS
µ
PD78F0354, 78F0354Y
V
PP
V , V , AV
DD0 DD1 DD
RESET
SCK1
SI1
SO1
X1
V , V , AV
SS0 SS1 SS
DD
and
DD0
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