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PIC12F683 Datasheet(PDF) 37 Page - Microchip Technology |
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PIC12F683 Datasheet(HTML) 37 Page - Microchip Technology |
37 / 148 page 2004 Microchip Technology Inc. Preliminary DS41211B-page 35 PIC12F683 4.2.4.2 GP1/AN1/CIN-/VREF/ICSPCLK Figure 4-1 shows the diagram for this pin. The GP1 pin is configurable to function as one of the following: • a general purpose I/O • an analog input for the A/D • a analog input to the comparator • a voltage reference input for the A/D • In-Circuit Serial Programming clock FIGURE 4-2: BLOCK DIAGRAM OF GP1 4.2.4.3 GP2/AN2/T0CKI/INT/COUT/CCP1 Figure 4-3 shows the diagram for this pin. The GP2 pin is configurable to function as one of the following: • a general purpose I/O • an analog input for the A/D • the clock input for TMR0 • an external edge triggered interrupt • a digital output from the comparator • a digital input/output for the CCP (refer to Section 11.0 “Capture/Compare/PWM (CCP) Module”). FIGURE 4-3: BLOCK DIAGRAM OF GP2 I/O pin VDD VSS D Q CK Q D Q CK Q D Q CK Q D Q CK Q VDD D EN Q D EN Q Weak Data WR WPU RD WPU RD GPIO RD GPIO WR GPIO WR TRISIO RD TRISIO WR IOC RD IOC Interrupt-on- To Comparator Analog Input Mode(1) GPPU Analog Input Mode(1) change Bus Note 1: Comparator mode and ANSEL determines Analog Input mode. Q3 To A/D Converter I/O pin VDD VSS D Q CK Q D Q CK Q D Q CK Q D Q CK Q VDD D EN Q D EN Q Weak Analog Input Mode Data WR WPU RD WPU RD GPIO WR GPIO WR TRISIO RD TRISIO WR IOC RD IOC To A/D Converter 0 1 COUT COUT Enable To INT To TMR0 Analog Input Mode GPPU RD GPIO Analog Input Mode Interrupt-on- change Bus Q3 Note 1: Comparator mode and ANSEL determines Analog Input mode. |
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