upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 419

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

16.7.7 Calling parameters
arguments, parameters such as the write time and erase time are set to the RAM parameters indicated by ep (r30).
Erase verify
Erase byte verify 4
Acquiring flash
information
Successive write
in word units
Pre-write
Internal verify
Area write back
Erasing area
Function Name
The arguments used to call the self-programming function are shown in the table below. In addition to these
Notes 1.
Caution For all the functions, ep (r30) must indicate the first address of the RAM parameter.
2.
3.
Note 2
See 16.7.10 Flash information for details.
Prepare write source data in memory other than the flash memory when data is written successively in
word units.
This address must be at a 4-byte boundary.
3
5
7
11
12
13
14
First Argument (r6)
Function No.
None (acts on erase
manipulation area
immediately before)
Verify start address
Option number
Write start
address
Write start address
Verify start address
None (acts on erase
manipulation area
immediately before)
Area erase start
address
Second Argument
Table 16-11. Calling Parameters
CHAPTER 16 FLASH MEMORY
Note 3
(r7)
User’s Manual U12768EJ4V1UD
Note 1
Number of bytes to
be verified
Start address of
write source data
Number of bytes to
be written
Number of bytes to
be verified
Third Argument (r8)
−
−
−
−
Note 3
Number of words
to be written (word
units)
Fourth Argument
(r9)
−
−
−
−
−
−
−
0: Normal completion
Other than 0: Error
0: Normal completion
Other than 0: Error
Note 1
0: Normal completion
Other than 0: Error
0: Normal completion
Other than 0: Error
0: Normal completion
Other than 0: Error
None
0: Normal completion
Other than 0: Error
Return Value (r10)
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