RL78/F13, F14 CHAPTER 30 FLASH MEMORY
R01UH0368EJ0210 Rev.2.10 1629
Dec 10, 2015
30.2 Serial Programming Using External Device (that Incorporates UART)
On-board data writing to the internal flash memory is possible by using the RL78/F13 or RL78/F14 and an external device
(a microcontroller or ASIC) connected to a UART.
On the development of flash memory programmer by user, refer to the RL78 Microcontrollers (RL78 Protocol A)
Programmer Edition Application Note (R01AN0815).
30.2.1 Programming Environment
The environment required for writing a program to the flash memory of the RL78/F13 or RL78/F14 is illustrated below.
Figure 30-3. Environment for Writing Program to Flash Memory
Notes 1. 64, 80, 100-pin products only.
2. 100-pin products only.
Processing to write data to or delete data from the RL78/F13 or RL78/F14 by using an external device is performed on-
board. Off-board writing is not possible.
RL78/F13,
RL78/F14
External device
(such as microcontroller
and ASIC)
V
DD, EVDD0
Note 1
, EVDD1
Note 2
VSS, EVSS0
Note 1
, EVSS1
Note 2
RESET
UART (TOOLTxD, TOOLRxD)
TOOL0
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