UPD78F0988AGC-8BS Renesas Electronics America, UPD78F0988AGC-8BS Datasheet - Page 341

• Manufacturer Part Number: UPD78F0988AGC-8BS
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0988AGC-8BS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

(8) _FlashByteWrite subroutine
[Function]
Writes continuously in byte units.
[Argument]
Flash memory write start address: 2 bytes (offset value: +2)
Number of bytes
Write data storage buffer starting address: 2 bytes (offset value: +14)
Note
[Return value]
Status (B register)
[Register/memory status after called]
Entry RAM address, number of bytes written in flash memory
The flash memory write start address is updated to the address at the end of writing.
[Call example]
When the entry RAM address = 0FC30H
00H: Normal end
08H: Write error
80H: Write address error
;
If 0 is set, it is possible to set a maximum of 256 bytes.
MOVW
MOVW
MOVW
MOVW
MOV
MOV
MOV
CALL
Note
AX, #0FD00H ; Write data storage buffer starting address
!0FC3EH, AX
AX, #2000H
!0FC32H, AX
A, #0H
!0FC36H, A
C, #50H
!8100H
·
·
·
written in flash memory: 1 byte (offset value: +6)
; Flash memory write start address
; Number of bytes written in flash memory (256 bytes)
; FlashByteWrite (function number setting)
CHAPTER 18
User’s Manual U13029EJ7V1UD
PD78F0988A
339