upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 223

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

Internal verify
Block erasure
Block blank check
Byte write
Command Name
Self programming
command completion/error
Flash memory
control block (hardware)
User program
Specific sequence
This command is used to check if data has been
correctly written to the flash memory. After data has
been written to the memory, specify the block number,
the start address, and the end address, then execute
this command.
This command is used to erase a specified block.
Specify the block number before execution.
This command is used to check if data in a specified
block has been erased. Specify the block number,
then execute this command.
This command is used to write 1-byte data to the
specified address in the flash memory. Specify the
write address and write data, then execute this
command.
command under execution
Figure 16-11. Self Programming State Transition Diagram
Self programming mode
Table 16-11. Self Programming Controlling Commands
Self programming
Flash memory
Normal mode
CHAPTER 16 FLASH MEMORY
Self programming command
execution by HALT instruction
Function
User’s Manual U16994EJ3V0UD
Operation setting
Operation reference
Operation
setting
Internal verify for 1 block (internal verify
command executed once): 6.8 ms
Internal verify for 1 byte:
8.5 ms
480
150
Time Taken from HALT Instruction Execution
µ
µ
s
s
to Command Execution End
self programming
Register for
27
µ
s
223