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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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TUSB2136 Datasheet(PDF) 33 Page - Texas Instruments |
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TUSB2136 Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 53 page  2−20 D+ TUSB2136 DM0 DP0 CMOS CONT-Bit PUR 1.5 k Ω 15 k Ω 15 k Ω HUB D− TUSB2046B Figure 2−3. Pullup Resistor Connect/Disconnect Circuit 2.9 8052 Interrupt and Status Registers All seven 8052-standard interrupt sources are preserved. SIE is the standard interrupt enable register, which controls the seven interrupt sources. All the additional interrupt sources are connected together as an OR to generate INT0. The INT0 signal is provided to interrupt the MCU (see interrupt connection diagram, Figure 2−4). Table 2−7. 8052 Interrupt Location Map INTERRUPT SOURCE DESCRIPTION START ADDRESS COMMENTS ET2 Timer-2 interrupt 002BH ES UART interrupt 0023H ET1 Timer-1 interrupt 001BH EX1 Internal INT1 or INT1 0013H Used for P2[7:0] interrupt ET0 Timer-0 interrupt 000BH EX0 Internal INT0 0003H Used for all internal peripherals Reset 0000H |
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