CHAPTER 19 FLASH MEMORY
Preliminary User’s Manual U19014EJ1V0UD
464
19.7.4 Communication commands
The
µ
PD78F0730 communicates with the dedicated flash memory programmer by using commands. The signals
sent from the flash memory programmer to the
µ
PD78F0730 are called commands, and the signals sent from the
µ
PD78F0730 to the dedicated flash memory programmer are called response.
Figure 19-14. Communication Commands
Command
Response
PD78F0730
µ
Dedicated flash
programmer
PG-FP4
(Flash Pro4)
Cxxxxxx
Bxxxxx
Axxxx
X
X
X
Y
Y
Y
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Y
Y
Y
Y
STATVE
The flash memory control commands of the
µ
PD78F0730 are listed in the table below. All these commands are
issued from the programmer and the
µ
PD78F0730 perform processing corresponding to the respective commands.
Table 19-6. Flash Memory Control Commands
Classification Command
Name
Function
Verify Verify
Compares the contents of a specified area of the flash memory with
data transmitted from the programmer.
Chip Erase
Erases the entire flash memory.
Erase
Block Erase
Erases a specified area in the flash memory.
Blank check
Block Blank Check
Checks if a specified block in the flash memory has been correctly
erased.
Write
Programming
Writes data to a specified area in the flash memory.
Status
Gets the current operating status (status data).
Silicon Signature
Gets 78K0/Kx2 information (such as the part number and flash memory
configuration).
Version Get
Gets the 78K0/Kx2 version and firmware version.
Getting information
Checksum
Gets the checksum data for a specified area.
Security
Security Set
Sets security information.
Reset
Used to detect synchronization status of communication.
Others
Oscillating Frequency Set
Specifies an oscillation frequency.
The
µ
PD78F0730 returns a response for the command issued by the dedicated flash memory programmer. The
response names sent from the
µ
PD78F0730 are listed below.
Table 19-7. Response Names
Response Name
Function
ACK Acknowledges
command/data.
NAK
Acknowledges illegal command/data.
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