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SH7616 Datasheet(PDF) 145 Page - Renesas Technology Corp

Part # SH7616
Description  32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7600 Series
PDF  935 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7616 Datasheet(HTML) 145 Page - Renesas Technology Corp

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



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