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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SN8P1602AS 데이터시트(PDF) 41 Page - SONiX Technology Company |
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SN8P1602AS 데이터시트(HTML) 41 Page - SONiX Technology Company |
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41 / 94 page  SN8P1600 8-bit micro-controller SONiX TECHNOLOGY CO., LTD Page 41 Revision 1.94 7 7 7 OSCILLATORS OVERVIEW The SN8P1600 highly performs the dual clock micro-controller system. The dual clocks are high-speed clock and low-speed clock. The high-speed clock frequency is supplied through the external oscillator circuit. The low-speed clock frequency is supplied through on-chip RC oscillator circuit. The external high-speed clock and the internal low-speed clock can be system clock (Fosc). The system clock is divided by 4 to be the instruction cycle (Fcpu). Fcpu = Fosc / 4 The system clock is required by the following peripheral modules: Timer 0 (TC0) Watchdog timer CLOCK BLOCK DIAGRAM fl CPUM0 LXOSC. fcpu fosc/4 CPUM0 fh HXOSC. XIN XOUT STPHX HXRC CPUM0 Divided by 4 CLKMD Divided by 2 OSG Divided by 2 1 : Disable 0 : Enable OSG : Oscillator Safe Guard 1 : Disable -- System Default 0 : Enable HXRC(1:0) is code option •00= RC •01 =32 Khz Oscillator •10 = High Speed Oscillator (>10Mhz) •11 = Standard Oscillator (4Mhz) fl CPUM0 LXOSC. fl CPUM0 LXOSC. fcpu fosc/4 CPUM0 fcpu fosc/4 CPUM0 fh HXOSC. XIN XOUT STPHX HXRC CPUM0 fh HXOSC. XIN XOUT STPHX HXRC CPUM0 Divided by 4 CLKMD Divided by 4 Divided by 4 CLKMD Divided by 2 Divided by 2 OSG OSG Divided by 2 1 : Disable 0 : Enable OSG : Oscillator Safe Guard 1 : Disable -- System Default 0 : Enable HXRC(1:0) is code option •00= RC •01 =32 Khz Oscillator •10 = High Speed Oscillator (>10Mhz) •11 = Standard Oscillator (4Mhz) HXOSC: External high-speed clock. LXOSC: Internal low-speed clock. OSG: Oscillator safe guard. |
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