Figure 20.17 Switching Between User Mat And User Boot Mat - Renesas H8S/2437 Hardware Manual

< User MAT >
Procedure for switching to the user boot MAT
(1) Mask interrupts
(2) Write H'AA to FMATS.
(3) Execute four NOP instructions before
Procedure for switching to the user MAT
(1) Mask interrupts
(2) Write a value other than H'AA to FMATS.
(3) Execute four NOP instructions before accessing

Figure 20.17 Switching between User MAT and User Boot MAT

< On-chip RAM >
Procedure for
switching to the
user boot MAT
Procedure for
switching to
the user MAT
accessing the user boot MAT.
the user MAT.
< User boot MAT >
Rev. 1.00, 09/03, page 581 of 704