UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 146

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F9502MA-CAC-A

• Controller Family/series: UPD78F
• No. Of I/o's: 8
• Ram Memory Size: 128Byte
• Cpu Speed: 10MHz
• No. Of Timers: 2
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

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Internal verify 1
Internal verify 2
Block erasure
Block blank check
Byte write
Remark
Command Name
Self programming
command completion/error
Flash memory
control block (hardware)
The command internal verify 1 can be executed by specifying an address in the same block but internal
verify 2 is recommended if data is written to two or more addresses in the same block.
User program
Specific sequence
This command is used to check if data has been
correctly written to the flash memory. It is used to
check whether data has been written to an entire
block.
This command is used to check if data has been
correctly written to the flash memory. It is used to
check whether data has been written in the same
block.
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 14-7. Self Programming State Transition Diagram
Self programming mode
Table 14-8. Self Programming Controlling Commands
Self programming
Flash memory
Normal mode
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 14 FLASH MEMORY
Self programming command
execution by HALT instruction
Function
Operation setting
Operation reference
Operation
setting
Internal verify for 1 block (internal verify
command executed once): 6.8 ms
Internal verify for 1 byte: 27 s
8.5 ms
480 s
150 s
Time Taken from HALT Instruction Execution
to Command Execution End
self programming
Register for