Communication Commands - NEC 78K0 User Manual

23.6.4 Communication commands

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The PD78F0114 communicates with the dedicated flash programmer by using commands. The signals sent from
the flash programmer to the
the dedicated flash programmer are called response commands.
The flash memory control commands of the
issued from the programmer and the
Classification
Verify
Erase
Blank check
Data write
System setting, control
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The PD78F0114 return a response command for the command issued by the dedicated flash programmer. The
response commands sent from the
ACK
NAK
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CHAPTER 23
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PD78F0114 are called commands, and the commands sent from the
Figure 23-19. Communication Commands
Command
Axxxx
Bxxxxx
Cxxxxxx
STATVE
PG-FP4
Response command
Dedicated flash
programmer
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PD78F0114 are listed in the table below. All these commands are
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PD78F0114 perform processing corresponding to the respective commands.
Table 23-7. Flash Memory Control Commands
Command Name
Batch verify command
Batch erase command
Batch blank check command
High-speed write command
Successive write command
Status read command
Oscillation frequency setting command
Erase time setting command
Write time setting command
Baud rate setting command
Silicon signature command
Reset command
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PD78F0114 are listed below.
Table 23-8. Response Commands
Command Name
User's Manual U16227EJ2V0UD
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PD78F0114
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PD78F0114
Compares the contents of the entire memory
with the input data.
Erases the contents of the entire memory.
Checks the erasure status of the entire memory.
Writes data by specifying the write address and
number of bytes to be written, and executes a
verify check.
Writes data from the address following that of
the high-speed write command executed
immediately before, and executes a verify
check.
Obtains the operation status.
Sets the oscillation frequency.
Sets the erase time for batch erase.
Sets the write time for writing data.
Sets the baud rate when UART is used.
Reads the silicon signature information.
Escapes from each status.
Function
Acknowledges command/data.
Acknowledges illegal command/data.
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PD78F0114 to
Function