UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 581

• Manufacturer Part Number: UPD78F0535GB(T)-UEU-A
• Description: 8BIT MCU, 60K FLASH, 3KB RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0535GB(T)-UEU-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 60KB
• Oscillator Type: External, Internal

26.7 Programming Method
26.7.1 Controlling flash memory
26.7.2 Flash memory programming mode
the flash memory programming mode. To set the mode, set the FLMD0 pin to V
The following figure illustrates the procedure to manipulate the flash memory.
To rewrite the contents of the flash memory by using the dedicated flash memory programmer, set the 78K0/KE2 in
Change the mode by using a jumper when writing the flash memory on-board.
Table 26-6. Relationship Between FLMD0 Pin and Operation Mode After Reset Release
RESET
FLMD0
V
DD
FLMD0 pulse supply
Figure 26-12. Flash Memory Manipulation Procedure
FLMD0
V
Figure 26-13. Flash Memory Programming Mode
5.5 V
0
DD
V
V
0 V
0 V
0 V
DD
DD
CHAPTER 26 FLASH MEMORY
User’s Manual U17260EJ6V0UD
Normal operation mode
Flash memory programming mode
Flash memory programming
mode is set
Selecting communication mode
Manipulate flash memory
Operation Mode
Flash memory programming mode
End?
Start
End
Yes
FLMD0 pulse
DD
and clear the reset signal.
No
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