upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 219

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

16.7 On-Board and Off-Board Flash Memory Programming
16.7.1 Flash memory programming mode
flash memory programming mode.
communication command is transmitted to the microcontroller, the microcontroller is set in the flash memory
programming mode.
16.7.2 Communication commands
programmer to the 78K0S/KY1+ are called communication commands, and the commands sent from the 78K0S/KY1+
to the dedicated flash programmer are called response.
programmer and the 78K0S/KY1+ perform processing corresponding to the respective communication commands.
The response name sent from the 78K0S/KY1+ are listed below.
Erase
Write
Checksum
Blank check
Security
To rewrite the contents of the flash memory by using the dedicated flash programmer, set the 78K0S/KY1+ in the
Change the mode by using a jumper when writing the flash memory on-board.
The dedicated flash programmer controls the 78K0S/KY1+ by using commands. The signals sent from the flash
Communication commands are listed in the table below. All these communication commands are issued from the
The 78K0S/KY1+ returns a response for the communication command issued by the dedicated flash programmer.
Classification
Batch erase (chip erase) command
Block erase command
Write command
Checksum command
Blank check command
Security set command
Communication Command Name
Dedicated flash programmer
Figure 16-9. Communication Commands
Table 16-6. Communication Commands
Power Status
FlashPro4
Cxxxxxx
Axxxx
Bxxxxx
PG-FPL2
Target 3V
When the 78K0S/KY1+ are connected to the flash programmer and a
MODE
PG-FPL2
PG-FP4
CHAPTER 16 FLASH MEMORY
STATVE
User’s Manual U16994EJ3V0UD
Target
Communication
Response
Erases the contents of the entire memory
Erases the contents of the memory of the specified block
Writes to the specified address range and executes a verify
check of the contents.
Reads the checksum of the specified address range and
compares with the written data.
Confirms the erasure status of the entire memory.
Prohibits batch erase (chip erase) command, block erase
command, and write command to prevent operation by third
parties.
78K0S/KY1+
Function
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