Communication Commands; Communication Commands - NEC 78K0 User Manual
8-bit single-chip microcontrollers
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28.7.4 Communication commands
µ
The
PD78F0148 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
µ
The
PD78F0148 return a response command for the command issued by the dedicated flash programmer. The
response commands sent from the
ACK
NAK
CHAPTER 28
µ
PD78F0148 are called commands, and the commands sent from the
Figure 28-20. Communication Commands
Command
Axxxx
Bxxxxx
Cxxxxxx
STATVE
PG-FP4
Response command
Dedicated flash
programmer
µ
PD78F0148 are listed in the table below. All these commands are
µ
PD78F0148 perform processing corresponding to the respective commands.
Table 28-8. 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
µ
PD78F0148 are listed below.
Table 28-9. Response Commands
Command Name
User's Manual U15947EJ2V0UD
µ
PD78F0148
µ
PD78F0148
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.
µ
PD78F0148 to
Function
515
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