UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 156

• 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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An example of the program that shifts the mode to self programming mode is shown below.
;----------------------------
;START
;----------------------------
ModeOnLoop:
;----------------------------
;END
;----------------------------
MOV
MOV
DI
MOV
MOV
MOV
MOV
MOV
NOP
HALT
BT PFS.0,$ModeOnLoop
MK0,#11111111B
FLCMD,#00H
PFS,#00H
PFCMD,#0A5H
FLPMC,#01H
FLPMC,#0FEH
FLPMC,#01H
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 14 FLASH MEMORY
; Masks all interrupts
; Clear FLCMD register
; Configure settings so that the CPU clock
; Clears flash status register
; PFCMD register control
; FLPMC register control (sets value)
; FLPMC register control (inverts set value)
; Sets self programming mode with FLPMC register
; control (sets value)
; Checks completion of write to specific registers
; Repeats the same processing when an error occurs.
1 MHz