UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 820

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

26.7.4 Communication commands
from the flash memory programmer to the 78K0/Dx2 are called commands, and the signals sent from the 78K0/Dx2 to
the dedicated flash memory programmer are called response.
issued from the programmer and the 78K0/Dx2 perform processing corresponding to the respective commands.
response names sent from the 78K0/Dx2 are listed below.
818
Verify
Erase
Blank check
Write
Getting information
Security
Others
The 78K0/Dx2 communicates with the dedicated flash memory programmer by using commands. The signals sent
The flash memory control commands of the 78K0/Dx2 are listed in the table below. All these commands are
The 78K0/Dx2 return a response for the command issued by the dedicated flash memory programmer. The
Classification
ACK
NAK
Verify
Chip Erase
Block Erase
Block Blank Check
Programming
Status
Silicon Signature
Version Get
Checksum
Security Set
Reset
Oscillating Frequency Set
memory programmer
Command Name
Dedicated flash
Command Name
PASS
Table 26-8. Flash Memory Control Commands
START
BUSY
Figure 26-14. Communication Commands
PG-FP5
N G
POWER
Preliminary User’s Manual U19748EJ1V0UD
Table 26-9. Response Names
CHAPTER 26 FLASH MEMORY
Response
Command
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/Dx2 information (such as the part number and flash memory
configuration).
Gets the 78K0/Dx2 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.
Acknowledges command/data.
Acknowledges illegal command/data.
78K0/Dx2
Function
Function