PD78F0701Y_15 Datasheet, PDF (18/54 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F0701Y
6. FLASH MEMORY PROGRAMMING
The flash memory can be written even while the device is mounted on the target system (on-board write). To write
a program into the flash memory, connect the dedicated flash writer (Flashpro III (model number: FL-PR3 and PG-
FP3)) to both the host machine and target system.
A program can also be written by using an adapter, for flash memory writing, connected to the Flashpro III.
Remark The FL-PR3 is manufactured by Naito Densei Machida Mfg. Co., Ltd.
6.1 Selecting the Transmission Method
The Flashpro III writes into flash memory by means of serial transmission. The transmission method to be used
for writing is selected from those listed in Table 6-1. To select a transmission method, use the format shown in
Figure 6-1, according to the number of VPP pulses listed in Table 6-1.
Table 6-1. Transmission Methods
Transmission method
Three-wire serial I/O
Number of channels
2
I²C bus
1
UART
1
Pins
SI30/P30
SO30/P31
SCK30/P32
SI31/P20
SO31/P21
SCK31/P22
SDA0/P71
SCL0/P72
RxD0/P24
TxD0/P25
Number of VPP pulses
0
1
4
8
Caution To select a transmission method, always use the corresponding number of VPP pulses listed in
Table 6-1.
Figure 6-1. Format of Transmission Method Selection
10 V
VPP ^VDD
VSS
VPP pulses
1
2
n
VDD
RESET
VSS
Flash memory write mode
16
Preliminary Product Information U13563EJ2V0PM00