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PIC16F767 Datasheet(PDF) 11 Page - Microchip Technology |
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PIC16F767 Datasheet(HTML) 11 Page - Microchip Technology |
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11 / 280 page  2003-2013 Microchip Technology Inc. DS30498D-page 11 PIC16F7X7 TABLE 1-3: PIC16F747 AND PIC16F777 PINOUT DESCRIPTION Pin Name PDIP Pin # QFN Pin # TQFP Pin # I/O/P Type Buffer Type Description OSC1/CLKI/RA7 OSC1 CLKI RA7 13 32 30 I I I/O ST/CMOS(4) ST Oscillator crystal or external clock input. Oscillator crystal input or external clock source input. ST buffer when configured in RC mode; otherwise CMOS. External clock source input. Always associated with pin function OSC1 (see OSC1/CLKI, OSC2/CLKO pins). Bidirectional I/O pin. OSC2/CLKO/RA6 OSC2 CLKO RA6 14 33 31 O O I/O — ST Oscillator crystal or clock output. Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. In RC mode, OSC2 pin outputs CLKO which has 1/4 the frequency of OSC1 and denotes the instruction cycle rate. Bidirectional I/O pin. MCLR/VPP/RE3 MCLR VPP RE3 118 18 I P I ST ST Master Clear (input) or programming voltage (output). Master Clear (Reset) input. This pin is an active-low Reset to the device. Programming voltage input. Digital input only pin. PORTA is a bidirectional I/O port. RA0/AN0 RA0 AN0 219 19 I/O I TTL Digital I/O. Analog input 0. RA1/AN1 RA1 AN1 320 20 I/O I TTL Digital I/O. Analog input 1. RA2/AN2/VREF-/CVREF RA2 AN2 VREF- CVREF 421 21 I/O I I I TTL Digital I/O. Analog input 2. A/D reference voltage input (low). Comparator voltage reference output. RA3/AN3/VREF+ RA3 AN3 VREF+ 522 22 I/O I I TTL Digital I/O. Analog input 3. A/D reference voltage input (high). RA4/T0CKI/C1OUT RA4 T0CKI C1OUT 623 23 I/O I O ST Digital I/O – Open-drain when configured as output. Timer0 external clock input. Comparator 1 output. RA5/AN4/LVDIN/SS/C2OUT RA5 AN4 LVDIN SS C2OUT 724 24 I/O I I I I TTL Digital I/O. Analog input 4. Low-Voltage Detect input. SPI slave select input. Comparator 2 output. Legend: I = input O = output I/O = input/output P = power — = Not used TTL = TTL input ST = Schmitt Trigger input Note 1: This buffer is a Schmitt Trigger input when configured as an external interrupt. 2: This buffer is a Schmitt Trigger input when used in Serial Programming mode. 3: This buffer is a Schmitt Trigger input when configured as a general purpose I/O and a TTL input when used in the Parallel Slave Port mode (for interfacing to a microprocessor bus). 4: This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise. 5: Pin location of CCP2 is determined by the CCPMX bit in Configuration Word Register 1. |
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