UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 162

• 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 a program that performs a block erase in self programming mode is shown below.
;----------------------------
;START
;----------------------------
FlashBlockErase:
;----------------------------
;END
;----------------------------
MOV
MOV
MOV
MOV
MOV
MOV
MOV
HALT
MOV
MOV
FLCMD,#03H
FLAPH,#07H
FLAPL,#00H
FLAPHC,#07H
FLAPLC,#00H
PFS,#00H
WDTE,#0ACH
A,PFS
CmdStatus,A
; Sets flash control command (block erase)
; Sets number of block to be erased (block 7 is specified here)
; Fixes FLAPL to “00H”
; Sets erase block compare number (same value as that of FLAPH)
; Fixes FLAPLC to “00H”
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
; Execution result is stored in variable
; (CmdStatus = 0: normal termination, other than 0: abnormal
; termination)
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 14 FLASH MEMORY