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PIC16C715 Datasheet(PDF) 9 Page - Microchip Technology |
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PIC16C715 Datasheet(HTML) 9 Page - Microchip Technology |
9 / 176 page © 1997 Microchip Technology Inc. DS30272A-page 9 PIC16C71X TABLE 3-1: PIC16C710/71/711/715 PINOUT DESCRIPTION Pin Name DIP Pin# SSOP Pin#(4) SOIC Pin# I/O/P Type Buffer Type Description OSC1/CLKIN 16 18 16 I ST/CMOS(3) Oscillator crystal input/external clock source input. OSC2/CLKOUT 15 17 15 O — Oscillator crystal output. Connects to crystal or resonator in crystal oscillator mode. In RC mode, OSC2 pin outputs CLKOUT which has 1/4 the frequency of OSC1, and denotes the instruction cycle rate. MCLR/VPP 4 4 4 I/P ST Master clear (reset) input or programming voltage input. This pin is an active low reset to the device. PORTA is a bi-directional I/O port. RA0/AN0 17 19 17 I/O TTL RA0 can also be analog input0 RA1/AN1 18 20 18 I/O TTL RA1 can also be analog input1 RA2/AN2 1 1 1 I/O TTL RA2 can also be analog input2 RA3/AN3/VREF 2 2 2 I/O TTL RA3 can also be analog input3 or analog reference voltage RA4/T0CKI 3 3 3 I/O ST RA4 can also be the clock input to the Timer0 module. Output is open drain type. PORTB is a bi-directional I/O port. PORTB can be software pro- grammed for internal weak pull-up on all inputs. RB0/INT 6 7 6 I/O TTL/ST(1) RB0 can also be the external interrupt pin. RB1 7 8 7 I/O TTL RB2 8 9 8 I/O TTL RB3 9 10 9 I/O TTL RB4 10 11 10 I/O TTL Interrupt on change pin. RB5 11 12 11 I/O TTL Interrupt on change pin. RB6 12 13 12 I/O TTL/ST(2) Interrupt on change pin. Serial programming clock. RB7 13 14 13 I/O TTL/ST(2) Interrupt on change pin. Serial programming data. VSS 5 4, 6 5 P — Ground reference for logic and I/O pins. VDD 14 15, 16 14 P — Positive supply for logic and I/O pins. 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 the 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 in RC oscillator mode and a CMOS input otherwise. 4: The PIC16C71 is not available in SSOP package. |
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