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PIC16C926T Datasheet(PDF) 9 Page - Microchip Technology |
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PIC16C926T Datasheet(HTML) 9 Page - Microchip Technology |
9 / 182 page 2001 Microchip Technology Inc. Preliminary DS39544A-page 7 PIC16C925/926 TABLE 1-2: PIC16C925/926 PINOUT DESCRIPTION Pin Name PLCC, CLCC Pin# TQFP Pin# Pin Type Buffer Type Description OSC1/CLKIN 24 14 I ST/CMOS Oscillator crystal input or external clock source input. This buffer is a Schmitt Trigger input when configured in RC oscillator mode and a CMOS input otherwise. OSC2/CLKOUT 25 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 2 57 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 5 60 I/O TTL RA0 can also be Analog input0. RA1/AN1 6 61 I/O TTL RA1 can also be Analog input1. RA2/AN2 8 63 I/O TTL RA2 can also be Analog input2. RA3/AN3/VREF 9 64 I/O TTL RA3 can also be Analog input3 or A/D Voltage Reference. RA4/T0CKI 10 1 I/O ST RA4 can also be the clock input to the Timer0 timer/counter. Output is open drain type. RA5/AN4/SS 11 2 I/O TTL RA5 can be the slave select for the synchronous serial port or Analog input4. PORTB is a bi-directional I/O port. PORTB can be software programmed for internal weak pull-ups on all inputs. RB0/INT 13 4 I/O TTL/ST RB0 can also be the external interrupt pin. This buffer is a Schmitt Trigger input when configured as an external interrupt. RB1 12 3 I/O TTL RB2 4 59 I/O TTL RB3 3 58 I/O TTL RB4 68 56 I/O TTL Interrupt-on-change pin. RB5 67 55 I/O TTL Interrupt-on-change pin. RB6 65 53 I/O TTL/ST Interrupt-on-change pin. Serial programming clock. This buffer is a Schmitt Trigger input when used in Serial Programming mode. RB7 66 54 I/O TTL/ST Interrupt-on-change pin. Serial programming data. This buffer is a Schmitt Trigger input when used in Serial Programming mode. PORTC is a bi-directional I/O port. RC0/T1OSO/T1CKI 26 16 I/O ST RC0 can also be the Timer1 oscillator output or Timer1 clock input. RC1/T1OSI 27 17 I/O ST RC1 can also be the Timer1 oscillator input. RC2/CCP1 28 18 I/O ST RC2 can also be the Capture1 input/Compare1 output/PWM1 output. RC3/SCK/SCL 14 5 I/O ST RC3 can also be the synchronous serial clock input/ output for both SPI and I2C modes. RC4/SDI/SDA 15 6 I/O ST RC4 can also be the SPI Data In (SPI mode) or data I/O (I2C mode). RC5/SDO 16 7 I/O ST RC5 can also be the SPI Data Out (SPI mode). C1 17 8 P LCD Voltage Generation. C2 18 9 P LCD Voltage Generation. COM0 63 51 L Common Driver0. Legend: I = input O = output P = power L = LCD Driver — = Not used TTL = TTL input ST = Schmitt Trigger input |
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