UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 613

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

24.7.4 Communication commands
from the flash memory programmer to the 78K0/FE2 are called commands, and the signals sent from the 78K0/FE2 to
the dedicated flash memory programmer are called response.
issued from the programmer and the 78K0/FE2 perform processing corresponding to the respective commands.
response names sent from the 78K0/FE2 are listed below.
Verify
Erase
Blank check
Write
Getting information
Security
Others
The 78K0/FE2 communicates with the dedicated flash memory programmer by using commands. The signals sent
The flash memory control commands of the 78K0/FE2 are listed in the table below. All these commands are
The 78K0/FE2 return a response for the command issued by the dedicated flash memory programmer. The
Classification
ACK
NAK
Verify
Chip Erase
Block Erase
Block Blank Check
Programming
Status
Silicon Signature
Version Get
Checksum
Security Set
Reset
Oscillating Frequency Set
memory programmer
Command Name
Dedicated flash
Command Name
Cxxxxxx
Axxxx
Bxxxxx
PG-FP4
Table 24-8. Flash Memory Control Commands
Figure 24-14. Communication Commands
STATVE
Table 24-9. Response Names
CHAPTER 24 FLASH MEMORY
User’s Manual U17554EJ4V0UD
Response
Command
Compares the contents of a specified area of the flash memory with
data transmitted from the programmer.
Erases the entire flash memory.
Erases a specified area in the flash memory.
Checks if a specified block in the flash memory has been correctly
erased.
Writes data to a specified area in the flash memory.
Gets the current operating status (status data).
Gets 78K0/Fx2 information (such as the part number and flash memory
configuration).
Gets the 78K0/Fx2 version and firmware version.
Gets the checksum data for a specified area.
Sets security information.
Used to detect synchronization status of communication.
Specifies an oscillation frequency.
Acknowledges command/data.
Acknowledges illegal command/data.
78K0/FE2
Function
Function
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