CHAPTER 25
µµµµ
PD78F0124
Preliminary User’s Manual U16315EJ1V0UD
388
25.2.3 Connecting Flashpro III/Flashpro IV
The connection between Flashpro III/Flashpro IV and the
µ
PD78F0124 differs depending on the communication
mode (3-wire serial I/O or UART). Figures 25-3 to 25-7 show the connection diagrams of each case.
Figure 25-3. Connection of Flashpro III/Flashpro IV in 3-Wire Serial I/O Mode
VPP
VDD
RESET
SCK
SO
SI
GND
V
PP
V
DD
/EV
DD
/AV
REF
RESET
SCK10
SI10
SO10
V
SS
/EV
SS
/AV
SS
Flashpro III/Flashpro IV
PD78F0124
µ
Figure 25-4. Connection of Flashpro III/Flashpro IV in 3-Wire Serial I/O Mode (Using Handshake)
VPP
VDD
RESET
SCK
SO
SI
GND
V
PP
V
DD
/EV
DD
/AV
REF
RESET
SCK10
SI10
SO10
HS
HS (P15)
V
SS
/EV
SS
/AV
SS
Flashpro III/Flashpro IV
PD78F0124
µ
Caution
Be sure to connect the REGC pin of the
µµµµ
PD78F0124 in either of the following two ways.
••••
Connect to GND of Flashpro III/Flashpro IV via 0.1
µµµµ
F capacitor
••••
Connect directly to VDD of Flashpro III/Flashpro IV