PIC16C781 datasheet(3/186 Pages) MICROCHIP

3 / 186 page

 2001 Microchip Technology Inc.

Preliminary

DS41171A-page 1

PIC16C781/782

Microcontroller Core Features:

• High performance RISC CPU

• Only 35 single word instructions to learn

• All single cycle instructions except for program

branches which are two cycle

• Direct, indirect and relative addressing modes

- Operating speed: DC - 20 MHz clock input

DC - 200 ns instruction cycle

• 8-level deep hardware stack

• Interrupt capability (up to 8 internal/external

interrupt sources)

• 16 I/O pins:

- Individual direction control (13 pins)

- Input only (3 pins), low leakage (2 pins)

- Digital/Analog inputs (8 pins)

• Programmable PORTB interrupt-on-change (8 pins)

• Programmable PORTB weak pull-ups (8 pins)

• Power-on Reset (POR)

• Power-up Timer (PWRT) and

Oscillator Start-up Timer (OST)

• Watchdog Timer (WDT) with a software enabled

option and its own on-chip RC oscillator for

reliable operation

• Programmable Brown-out Reset (BOR)

• Programmable Low Voltage Detection (LVD)

• Internal/external MCLR

• Programmable code protection

• Power saving SLEEP mode

• Selectable oscillator options:

HS, XT, LP, EC, RC, INTRC (4 MHz/37 kHz)

• In-Circuit Serial Programming™ (ISCP™)

• Program Memory Read (PMR) capability

• Four user programmable ID locations

• Wide operating voltage range:

- 2.5V to 5.5V for commercial and industrial

temperature ranges

- Extended temperature range available

Microcontroller Core Features (Continued):

• Low power, high speed CMOS EPROM

technology

• Fully static design

• Low power consumption:

- < 2mA @ 5V, 4MHz

-< 1

µA typical standby current.

Pin Diagram

Peripheral Features:

• Timer0: 8-bit timer/counter with 8-bit prescaler

• Enhanced Timer1:

- 16-bit timer/counter with prescaler

- External Gate Input mode

- Option to use OSC1 and OSC2 in LP mode

as Timer1 oscillator, if INTRC oscillator mode

selected

• Analog-to-Digital Converter (ADC):

- 8-bit resolution

- Programmable 8-channel input

- Internal voltages available for self-

diagnostics

• Digital-to-Analog Converter (DAC):

- 8-bit resolution

- Reference from AVDD, VREF1, or VR module

- Output configurable to VDAC pin, Compara-

tors, and ADC reference

• Operational Amplifier module (OPA):

- Firmware initiated input offset voltage Auto

Calibration module

- Low leakage inputs

- Programmable Gain Bandwidth Product

(GBWP)

Device

Program

Memory

X14

Data Memory

PIC16C781

128

PIC16C782

128

PDIP, Windowed CERDIP, SOIC, SSOP

RB3/AN7/OPA

RB2/AN6

RA6/OSC2/CLKOUT/T1CKI

VDD

RB7/C2/PSMC1B/T1G

RB6/C1/PSMC1A

RB5

RB4

RA7/OSC1/CLKIN

RA0/AN0/OPA+

RA1/AN1/OPA-

RA5/MCLR/VPP

VSS

AVSS

RA2/AN2/VREF2

RA3/AN3/VREF1

RB0/INT/AN4/VR

RA4/T0CKI

RB1/AN5/VDAC

AVDD

•1

8-Bit CMOS Microcontrollers with A/D, D/A, OPAMP,

Comparators and PSMC

PIC16C781 Datasheet(PDF) 3 Page - Microchip Technology

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