UPD78F9418A NEC, UPD78F9418A Datasheet - Page 260

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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programmer, the following signals are generated for the µ PD78F9418A. For details, refer to the manual of Flashpro
III/Flashpro IV.
260
Signal Name
VPP1
VPP2
VDD
GND
CLK
RESET
SI
SO
SCK
HS
Note V
Remark
If Flashpro III (part no. FL-PR3, PG-FP3)/Flashpro IV (part no. FL-PR4, PG-FP4) is used as a dedicated flash
DD
× × × × : Pin does not need to be connected.
voltage must be supplied before programming is started.
Output
I/O
Output
Output
Input
Output
Output
Input
: Pin must be connected.
: If the signal is supplied on the target board, pin does not need to be connected.
I/O
−
−
Write voltage
V
voltage monitoring
Ground
Clock output
Reset signal
Receive signal
Transmit signal
Transfer clock
Handshake signal
DD
voltage generation/
Pin Function
−
Table 18-3. Pin Connection List
User’s Manual U13952EJ3V0UD
V
V
V
X1
RESET
SO/TxD/P01/P41
SI/RxD/P02/P42
SCK/P00/P40
PP
DD0
SS0
, V
Pin Name
, V
SS1
DD1
−
−
3-Wire Serial I/O
Note
× × × ×
× × × ×
UART
× × × ×
Note
× × × ×
× × × ×
Pseudo
3-Wire
× × × ×
Note
× × × ×