SN8F2270B Series
USB 2.0 Low-Speed 8-Bit Micro-Controller
Example: Switch normal/slow mode to green mode and enable T0 wake-up function.
; Set T0 timer wakeup function.
B0BCLR
FT0IEN
FT0ENB
A,#20H
T0M,A
; To disable T0 interrupt service
; To disable T0 timer
;
B0BCLR
MOV
B0MOV
; To set T0 clock = Fcpu / 64
MOV
B0MOV
A,#74H
T0C,A
; To set T0C initial value = 74H (To set T0 interval = 10 ms)
; To disable T0 interrupt service
; To clear T0 interrupt request
B0BCLR
B0BCLR
B0BSET
FT0IEN
FT0IRQ
FT0ENB
; To enable T0 timer
; Go into green mode
B0BCLR
FCPUM0
FCPUM1
;To set CPUMx = 10
B0BSET
Note: During the green mode with T0 wake-up function, the wakeup pin and T0 wakeup the system back
to the last mode. T0 wake-up period is controlled by program.
SONiX TECHNOLOGY CO., LTD
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Version 1.2
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