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W78C58P-40 Datasheet(PDF) 10 Page - Winbond |
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W78C58P-40 Datasheet(HTML) 10 Page - Winbond |
10 / 22 page W78C58 - 10 - Following tables show the interrupt informations and priority definitions. Eight-source interrupt informations: INTERRUPT SOURCE VECTOR ADDRESS POLLING SEQUENCE WITHIN PRIORITY LEVEL ENABLE REQUIRED SETTINGS INTERRUPT TYPE EDGE/LEVEL External Interrupt 0 03H 0 (highest) IE.0 TCON.IT0 Timer/Counter 0 0BH 1 IE.1 - External Interrupt 1 13H 2 IE.2 TCON.IT1 Timer/Counter 1 1BH 3 IE.3 - Serial Port 23H 4 IE.4 - Timer/Counter 2 2BH 5 IE.5 - External Interrupt 2 33H 6 XICON.EX2 XICON.IT2 External Interrupt 3 3BH 7 (lowest) XICON.EX3 XICON.IT3 *Timer/Counter ***TL0, TH0, TL1, TH1, TL2, TH2, RCAP2L, RCAP2H ***TMOD - Timer 0, 1 Mode (89H) GATE C//T M1 M0 GATE C//T M1 M0 TIMER0 TIMER1 GATE: Gating control. When set, Timer/counter x is enabled only while INTx pin is high and TRx control pin is set. When cleared, Timer x is enabled whenever the TRx conrol bit is set. C//T: Timer or Counter Selector. Cleared for timer operation. Set for counter operation. M1 M0: Operating Mode 0 0: 13-bit Timer/Counter. 0 1: 16-bit Timer/Counter. 1 0: 8-bit auto-reload Timer/Counter. THx holds a value which is to be reloaded into TLx each time it overflows. 1 1: Timer 0: TL0 is an 8-bit timer/counter controlled by the standard Timer 0 control bits. TH0 is an 8-bit timer only controlled by Timer 1 control bits. Timer 1: Timer/counter 1 stopped. |
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