UPD78F0411GA-GAM-AX Datasheet, PDF (521/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 24 FLASH MEMORY
24.6.4 Communication commands
The 78K0/LC3 communicates with the dedicated flash memory programmer by using commands. The signals sent
from the flash memory programmer to the 78K0/LC3 are called commands, and the signals sent from the 78K0/LC3 to
the dedicated flash memory programmer are called response.
Figure 24-11. Communication Commands
Axxxx
Bxxxxx
Cxxxxxx
STATVE
PG-FP4 (Flash Pro4)
Dedicated flash
memory programmer
Command
Response
78K0/LC3
The flash memory control commands of the 78K0/LC3 are listed in the table below. All these commands are
issued from the programmer and the 78K0/LC3 perform processing corresponding to the respective commands.
Classification
Verify
Erase
Blank check
Write
Getting information
Security
Others
Table 24-7. Flash Memory Control Commands
Command Name
Verify
Chip Erase
Block Erase
Block Blank Check
Programming
Status
Silicon Signature
Version Get
Checksum
Security Set
Reset
Oscillating Frequency Set
Function
Compares the contents of a specified area of the flash memory with
data transmitted from the programmer.
Erases the entire flash memory.
Erases a specified area in the flash memory.
Checks if a specified block in the flash memory has been correctly
erased.
Writes data to a specified area in the flash memory.
Gets the current operating status (status data).
Gets 78K0/Lx3 information (such as the part number and flash memory
configuration).
Gets the 78K0/Lx3 version and firmware version.
Gets the checksum data for a specified area.
Sets security information.
Used to detect synchronization status of communication.
Specifies an oscillation frequency.
The 78K0/LC3 return a response for the command issued by the dedicated flash memory programmer. The
response names sent from the 78K0/LC3 are listed below.
ACK
NAK
Table 24-8. Response Names
Response Name
Function
Acknowledges command/data.
Acknowledges illegal command/data.
User’s Manual U18698EJ1V0UD
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