UPD78F0988AGC-8BS Renesas Electronics America, UPD78F0988AGC-8BS Datasheet - Page 337

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

Specifications of UPD78F0988AGC-8BS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

(4) _FlashAreaBlankCheck subroutine
When the entry RAM address = 0FC30H
Caution Area 0 (0000H to 1FFFH) is a boot area. Do not specify area 0 as an argument.
[Function]
Performs a blank check of a specified area.
[Argument]
Area number (= 0, 1): 1 byte (offset value: +6)
[Return value]
Status (B register)
[Register/memory status after called]
Entry RAM address, area number
[Call example]
[Flowchart]
0: Blank check of area 0000H to 1FFFH (boot area)
1: Blank check of area 2000H to EFFFH
00H: Normal end
02H: Blank check error
80H: Area number specification error
MOV
MOV
MOV
CALL
Overerase check error
Blank check error
A, #01H
!0FC36H, A
C, #10H
!8100H
·
·
·
Error
; Specifies area 2000H to EFFFH
; FlashAreaBlankCheck (function number setting)
CHAPTER 18
User’s Manual U13029EJ7V1UD
_FlashAreaBlankCheck
Overerase check
Blank check
Normal end
Area check
No error
No error
PD78F0988A
Error
Function number = 10H
specification error
Area number
335