Section 3 Oscillator Circuits and Operating Modes
Rev. 2.00 Mar 09, 2006 page 120 of 906
REJ09B0292-0200
MOV.L
#WTCSR,R1
MOV.W
#H'A51F,R2
MOV.L
#H'26200000,R3
MOV.L
#FMR,R4
jmp
@r5
nop
nop
nop
nop
nop
clock4_err:
bra
clock4_err
nop
nop
nop
nop
;
;
Main portion of frequency change code.
;
First copy this to XRAM and then run it in XRAM.
FREQUENCY:
;
<Watchdog timer control and status register setting>
;
Clear TME bit.
;
Clock input to WTCNT is
φ
/16384
;
(Overflow frequency = 262.144 ms)
MOV.W
R2,@R1
;
<External cache through area read>
;
Cache through area of external member space 3: H'26200000
MOV.L
@R3,R0
;
<Frequency change register setting>
;
PLL circuit 1
→
Disabled.
;
PLL circuit 1
→
Enabled.
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...