NEC PD78F9488 User Manual
Page 323
CHAPTER 19 FLASH MEMORY VERSION
User’s Manual U15331EJ4V1UD
323
If Flashpro III/Flashpro IV is used as a dedicated flash programmer, the following signals are generated for the
µPD78F9488 and 78F9489. For details, refer to the manual of Flashpro III/Flashpro IV.
Table 19-3. Pin Connection List
Signal Name
I/O
Pin Function
Pin Name
3-Wire Serial I/O
3-Wire Serial I/O
with Handshake
UART
VPP1 Output
Write
voltage
V
PP
VPP2
−
−
−
Ч
Ч
Ч
VDD I/O V
DD
voltage generation/
voltage monitoring
V
DD
Note
Note
Note
GND
−
Ground
V
SS
CLK Output
Clock
output
X1
RESET Output Reset
signal
RESET
SI Input
Receive
signal SO20/TxD20
SO Output
Transmit
signal SI20/RxD20
SCK Output
Transfer
clock
SCK20
×
HS
Input
Handshake signal
P11 (HS)
Ч
Ч
Note V
DD
voltage must be supplied before programming is started.
Remark :
Pin must be connected.
: If the signal is supplied on the target board, pin does not need to be connected.
× : Pin does not need to be connected.