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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PIC16F722-E/ML bảng dữ liệu(PDF) 50 Page - Microchip Technology |
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PIC16F722-E/ML bảng dữ liệu(HTML) 50 Page - Microchip Technology |
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50 / 302 page  PIC16F72X/PIC16LF72X DS41341E-page 50 © 2009 Microchip Technology Inc. 4.5.5 PIR2 REGISTER The PIR2 register contains the interrupt flag bits, as shown in Register 4-5. TABLE 4-1: SUMMARY OF REGISTERS ASSOCIATED WITH INTERRUPTS Note: Interrupt flag bits are set when an interrupt condition occurs, regardless of the state of its corresponding enable bit or the Global Enable bit, GIE of the INTCON register. User software should ensure the appropriate interrupt flag bits are clear prior to enabling an interrupt. REGISTER 4-5: PIR2: PERIPHERAL INTERRUPT REQUEST REGISTER 2 U-0 U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 — — — — — — — CCP2IF bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-1 Unimplemented: Read as ‘0’ bit 0 CCP2IF: CCP2 Interrupt Flag bit Capture Mode: 1 = A TMR1 register capture occurred (must be cleared in software) 0 = No TMR1 register capture occurred Compare Mode: 1 = A TMR1 register compare match occurred (must be cleared in software) 0 = No TMR1 register compare match occurred PWM mode: Unused in this mode Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR, BOR Value on all other Resets INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 0000 000x 0000 000x OPTION_REG RBPU INTEDG T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111 PIE1 TMR1GIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000 PIE2 — — — — — — — CCP2IE ---- ---0 ---- ---0 PIR1 TMR1GIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000 PIR2 — — — — — — — CCP2IF ---- ---0 ---- ---0 Legend: - = Unimplemented locations, read as ‘0’, u = unchanged, x = unknown. Shaded cells are not used by the Capture, Compare and PWM. |
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