NEC V850/SB1 User Manual page 520

32-bit single-chip microcontroller
Table of Contents

Advertisement

(2) Correction request register (CORRQ)
CORRQ saves the channel in which ROM correction occurred. The JMP r0 instruction makes the program
jump to 00000000H after the correction address matches the fetch address. At this time, the program can
judge the following cases by reading CORRQ.
• Reset input:
• ROM correction generation:
• Branch to 00000000H by user program: CORRQ = 00H
After reset:
00H
7
CORRQ
0
CORRQn
0
1
Remark n = 0 to 3
520
CHAPTER 17
ROM CORRECTION FUNCTION
CORRQ = 00H
CORRQn bit = 1 (n = 0 to 3)
R/W
Address: FFFFF36EH
6
5
0
0
Channel n ROM correction request flag
No ROM correction request occurred.
ROM correction request occurred.
User's Manual U13850EJ6V0UD
4
<3>
<2>
0
CORRQ3
CORRQ2
<1>
<0>
CORRQ1
CORRQ0

Advertisement

Table of Contents
loading

This manual is also suitable for:

V850/sb2

Table of Contents