Toshiba TMP91C815F Data Book page 37

(Setting Example)
The Stop mode is entered when the low frequency operates, and high frequency operates after releasing
due to NMI.
Address
SYSCR0
SYSCR1
SYSCR2
8FFDH
9000H
9002H
9005H
NMI
9006H
Note: When different modes are used before and after STOP mode as the above mentioned , there is possible
to release the HALT mode without changing the operation mode by acceptance of the halt release
interrupt request during execution of "HALT" instruction (during 8 state).In the system which accepts
the interrupts during execution "HALT" instruction, set the same operation mode before and after the
STOP mode.
EQU 00E0H
EQU 00E1H
EQU 00E2H
LD (SYSCR1), 08H
(SYSCR2), X − 1001X1B
LD
(SYSCR0), 011000 − − B
LD
HALT
LD XX, XX
91C815-34
; f = fs/2
SYS
14
; Sets Warming Up Time to 2 /f
; Operates High Frequency after released.
− : no change
Clears and starts hit
warm-up timer
(high-frequency)
end
NMI Interrupt Routine
RETI
TMP91C815
OSCH