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PIC12F609-E/P Datasheet(PDF) 46 Page - Microchip Technology |
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PIC12F609-E/P Datasheet(HTML) 46 Page - Microchip Technology |
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46 / 212 page  PIC12F609/615/617/12HV609/615 DS41302D-page 46 2010 Microchip Technology Inc. REGISTER 5-5: WPU: WEAK PULL-UP GPIO REGISTER U-0 U-0 R/W-1 R/W-1 U-0 R/W-1 R/W-1 R/W-1 — — WPU5 WPU4 — WPU2 WPU1 WPU0 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 7-6 Unimplemented: Read as ‘0’ bit 5-4 WPU<5:4>: Weak Pull-up Control bits 1 = Pull-up enabled 0 = Pull-up disabled bit 3 WPU<3>: Weak Pull-up Register bit(3) bit 2-0 WPU<2:0>: Weak Pull-up Control bits 1 = Pull-up enabled 0 = Pull-up disabled Note 1: Global GPPU must be enabled for individual pull-ups to be enabled. 2: The weak pull-up device is automatically disabled if the pin is in Output mode (TRISIO = 0). 3: The GP3 pull-up is enabled when configured as MCLR in the Configuration Word, otherwise it is disabled as an input and reads as ‘0’. 4: WPU<5:4> always reads ‘1’ in XT, HS and LP Oscillator modes. REGISTER 5-6: IOC: INTERRUPT-ON-CHANGE GPIO REGISTER U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 — — IOC5 IOC4 IOC3 IOC2 IOC1 IOC0 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 7-6 Unimplemented: Read as ‘0’ bit 5-0 IOC<5:0>: Interrupt-on-change GPIO Control bit 1 = Interrupt-on-change enabled 0 = Interrupt-on-change disabled Note 1: Global Interrupt Enable (GIE) must be enabled for individual interrupts to be recognized. 2: IOC<5:4> always reads ‘1’ in XT, HS and LP Oscillator modes. |
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