M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 728

• Manufacturer Part Number: M-V850E-IA4
• Description: KIT EVAL V850E IA4 UPD70F3186
• Manufacturer: Renesas Electronics America

Specifications of M-V850E-IA4

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

726
Remarks 1.
Figure 20-2. ROM Correction Operation and Program Flow
2. n = 0 to 3
CHAPTER 20 ROM CORRECTION FUNCTION
Branch to correction code address
Load program for judgment
of ROM correction and
correction codes
Execute DBTRAP instruction
Jump to address 00000060H
Execute DBRET instruction
Write return address to
DBPC.
Write value of PSW to
DBPSW as necessary.
Branch to ROM correction
Perform initial settings of
Execute correction code
of corresponding channel n
: Processing by user program (software)
: Processing by ROM correction (hardware)
Set CORADn register
Change fetch code to
CORADn = DBPC-2?
Set CORCN register
DBTRAP instruction
judgment address
CORENn bit = 1?
microcontroller
Fetch address
= CORADn?
Reset & start
User’s Manual U16543EJ4V0UD
Yes
Yes
Yes
No
No
No
Read data for setting ROM
correction from external memory
Execute fetch code
Execute fetch code
ILGOP processing