RL78/G10 CHAPTER 20 FLASH MEMORY
R01UH0384EJ0311 Rev. 3.11 550
Dec 22, 2016
20.1 Serial Programming by Using Flash Memory Programmer
The following dedicated flash memory programmer can be used to write data to the internal flash memory of the RL78
microcontroller.
• PG-FP5, FL-PR5
• E1 on-chip debugging emulator
Data can be written to the flash memory on-board or off-board, by using a dedicated flash memory programmer.
(1) On-board programming
The contents of the flash memory can be rewritten after the RL78 microcontroller has been mounted on the target
system. The connectors that connect the dedicated flash memory programmer must be mounted on the target
system.
(2) Off-board programming
Data can be written to the flash memory with a dedicated program adapter (FA series) before the RL78
microcontroller is mounted on the target system.
Remark FL-PR5 and FA series are products of Naito Densei Machida Mfg. Co., Ltd.
Table 20-1. Wiring Between RL78/G10 and Dedicated Flash Memory Programmer
Pin Configuration of Dedicated Flash Memory Programmer
Pin Name
of
RL78/G10
Pin No.
of
10-pin
products
Pin No.
of
16-pin
products
Signal Name
I/O Pin Function
PG-FP5, FL-PR5
E1 on-chip
debugging emulator
−
TOOL0 I/O Transmit/receive signal TOOL0/P40 1
2
SI/RxD
−
I/O Transmit/receive signal
−
RESET Output Reset signal RESET 2 3
/RESET
−
Output
VDD I/O
V
DD voltage generation/
power monitoring
V
DD 5 8
GND
−
Ground VSS 4 7
EMVDD
−
Driving power for TOOL pin VDD 5 8
Remark Pins that are not indicated in the above table can be left open when using the flash memory programmer for
flash programming.
About a connection between RL78 microcontroller and a connector, refer to the user’s manual of each programmer.
About a connection with E1, refer to 21.1 Connecting E1 On-chip Debugging Emulator.
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