upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 352

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

352
• If PFCMD is written when the store instruction operation recently performed on a peripheral register is not to
• If the first store instruction operation after <1> is on a peripheral register other than FLPMC
• If the first store instruction operation after <2> is on a peripheral register other than FLPMC
• If a value other than the inverted value of the value to be set to FLPMC is written by the first store instruction
• If the first store instruction operation after <3> is on a peripheral register other than FLPMC
• If a value other than the value to be set to FLPMC (value written in <2>) is written by the first store instruction
• If 0 is written to the FPRERR flag
• If RESET is input
The operating conditions of the FPRERR flag are as follows.
<Setting conditions>
<Reset conditions>
<Example of description in specific sequence>
To write 05H to FLPMC
write a specific value (A5H) to PFCMD
after <2>
after <3>
Remark The numbers in angle brackets above correspond to the those in (2) Flash protect command
MOV
MOV
MOV
MOV
PFCMD, #0A5H
FLPMC, #05H
FLPMC, #0FAH
FLPMC, #05H
register (PFCMD).
; Writes A5H to PFCMD.
; Writes 05H to FLPMC.
; Writes 0FAH (inverted value of 05H) to FLPMC.
; Writes 05H to FLPMC.
CHAPTER 21 FLASH MEMORY
User’s Manual U16846EJ3V0UD