SN8F2250B Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
8.7.2 TCxIRQ and PWM Duty
In PWM mode, the frequency of TC1IRQ is depended on PWM duty range. From following diagram, the TC1IRQ
frequency is related with PWM duty.
TC1 Overflow,
TC1IRQ = 1
0xFF
TC1C Value
0x00
PWM1 Output
(Duty Range 0~255)
TC1 Overflow,
TC1IRQ = 1
0xFF
TC1C Value
0x00
PWM1 Output
(Duty Range 0~63)
TC1 Overflow,
TC1IRQ = 1
0xFF
TC1C Value
0x00
PWM1 Output
(Duty Range 0~31)
TC1 Overflow,
TC1IRQ = 1
0xFF
TC1C Value
0x00
PWM1 Output
(Duty Range 0~15)
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