HD6417616 RENESAS [Renesas Technology Corp], HD6417616 Datasheet - Page 145

• Manufacturer Part Number: HD6417616
• Description: 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7600 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Sample code for changing the frequency is shown below.
;
;
;
FMR
WTCSR .equ
RSTCSR .equ
PACR
XRAM
_init_FMR:
program_move:
SH7616 frequency change
.equ
.equ
.equ
.export _init_FMR
mov.l #XRAM,r1
mov.l r1,r5
mov.l #FREQUENCY,r2
mov.l #FREQUENCY_END,r3
mov.w @r2,r0
mov.w r0,@r1
add
add
cmp/eq r2,r3
bf
nop
mov.l #PACR,r1
mov.w #h'0008,r0
mov.w r0,@r1
h'fffffe90
h'fffffe80
h'fffffe83
h'fffffc80
h'1000e000
#2,r1
#2,r2
program_move
Section 3 Oscillator Circuits and Operating Modes
Rev. 2.00 Mar 09, 2006 page 119 of 906
REJ09B0292-0200