UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 589

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

The following figure illustrates a flow of rewriting the flash memory by using a self-programming library.
Remark For details of the self-programming library, refer to 78K0/Kx2 Flash Memory Self Programming User’s
Manual (U17516E).
Figure 26-16. Flow of Self Programming (Rewriting Flash Memory)
Setting operating environment
Start of self programming
End of self programming
Low level → High level
High level → Low level
FlashBlockBlankCheck
Normal completion?
Normal completion?
Normal completion?
FlashBlockVerify
FlashWordWrite
CheckFLMD
FLMD0 pin
FLMD0 pin
Yes
FlashStart
Yes
Yes
FlashEnv
Yes
FlashEnd
Erased?
CHAPTER 26 FLASH MEMORY
User’s Manual U17260EJ6V0UD
No
No
No
No
Normal completion?
FlashBlockErase
No
Yes
589