GMS90X5XC Series | HYUNDAI MicroElectronics |
INTERRUPT SYSTEM
The GMS90X5XC series provides 5 (4K bytes ROM version) or 6 (above 8K bytes ROM version) interrupt sources with two priority levels. Figure 5 gives a general overview of the interrupt sources and illustrates the request and control flags.
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| High |
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| Priority |
Timer 0 Overflow | TF0 |
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| TCON.5 |
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| Low |
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| Priority | |
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| ET0 |
| PT0 | |
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| IE.1 |
| IP.1 |
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Timer 1 Overflow | TF1 |
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| TCON.7 |
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| ET1 |
| PT1 |
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| IE.3 |
| IP.3 |
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Timer 2 Overflow | TF2 | ≥1 |
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| T2CON.7 |
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P1.1/ | EXF2 | ET2 |
| PT2 |
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T2EX |
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T2CON.6 |
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EXEN2 | IE.5 |
| IP.5 |
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T2CON.3 | RI | ≥1 |
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| SCON.0 |
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UART |
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| TI | ES |
| PS |
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| SCON.1 | IE.4 |
| IP.4 |
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P3.2/ |
| IE0 |
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INT0 |
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| TCON.1 |
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IT0 |
| EX0 |
| PX0 |
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TCON.0 |
| IE.0 |
| IP.0 |
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P3.3/ |
| IE1 |
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INT1 |
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| TCON.3 |
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| EA |
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IT1 |
| EX1 | PX1 |
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TCON.2 |
| IE.2 | IE.7 | IP.2 |
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: Low level triggered |
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: Falling edge triggered |
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Figure 5. Interrupt Request Sources
Jan. 2001 Ver 1.0 | 21 |