PIC16C74 - PIC16C74 40-pin 4kB Microcontroller with A/D

Photograph

Features
High-Performance RISC CPU - Only 35 single word instructions to learn - All instructions are single cycle (1µs) except for program branches - Operating speed: DC - 20MHz clock input - 4 kBytes Program Memory - 192 Byte RAM Data Memory - In-circuit Serial Programming - Interrupt Capability Peripheral Features - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar - One 16 bit timer/counter (TMR1) - High current source/sink for direct LED drive - Watchdog Timer (WDT) with Separate RC Oscillator - Capture, Compare, PWM Module - Synchronous Serial Port with SPI and I²C - 8-bit 8-channel Analog-to-Digital Converter - Universal Synchronous Asynchronous Receiver Transmitter (USART) Special Microcontroller Features - Power-On Reset - Device Reset Timer - Programmable Code Protection - Power-Saving Sleep Mode - Selectable Oscillator Options CMOS Technology - Low power, high speed CMOS FLASH technology - Fully Static Design - Low Power Consumption I/O and Packages - 33 I/O pins with individual direction control - 40-pin DIP

Features

High-Performance RISC CPU
- - Only 35 single word instructions to learn
- - All instructions are single cycle (1µs) except for program branches
- - Operating speed: DC - 20MHz clock input
- - 4 kBytes Program Memory
- - 192 Byte RAM Data Memory
- - In-circuit Serial Programming
- - Interrupt Capability
Peripheral Features
- - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar
- - One 16 bit timer/counter (TMR1)
- - High current source/sink for direct LED drive
- - Watchdog Timer (WDT) with Separate RC Oscillator
- - Capture, Compare, PWM Module
- - Synchronous Serial Port with SPI and I²C
- - 8-bit 8-channel Analog-to-Digital Converter
- - Universal Synchronous Asynchronous Receiver Transmitter (USART)
Special Microcontroller Features
- - Power-On Reset
- - Device Reset Timer
- - Programmable Code Protection
- - Power-Saving Sleep Mode
- - Selectable Oscillator Options
CMOS Technology
- - Low power, high speed CMOS FLASH technology
- - Fully Static Design
- - Low Power Consumption
I/O and Packages
- - 33 I/O pins with individual direction control
- - 40-pin DIP

Pin Layout

Pin Description

Pin Number	Description
1	MCLR/VPP - Master Clear Reset Input
2	RA0/AN0 - Port A
3	RA1/AN1 - Port A
4	RA2/AN2 - Port A
5	RA3/AN3/VREF - Port A
6	RA4/T0CKI - Port A
7	RA5/AN4/SS - Port A
8	RE0/RD/AN5 - Port E
9	RE1/WR/AN6 - Port E
10	RE2/CS/AN7 - Port E
11	Vdd - Positive Power Supply
12	Vss - Ground
13	OSC1/CLKIN - Oscillator
14	OSC2/CLKOUT - Oscillator
15	RC0/T1OSO/T1CKI - Port C
16	RC1/T1OSI/CCP2 - Port C
17	RC2/CCP1 - Port C
18	RC3/SCK/SCL - Port C
19	RD0/PSP0 - Port D
20	RD1/PSP1 - Port D
21	RD2/PSP2 - Port D
22	RD3/PSP3 - Port D
23	RC4/SDI/SDO - Port C
24	RC5/SD0 - Port C
25	RC6/TX/CK - Port C
26	RC7/RX/DT - Port C
27	RD4/PSP4 - Port D
28	RD5/PSP5 - Port D
29	RD6/PSP6 - Port D
30	RD7/PSP7 - Port D
31	Vss - Ground
32	Vdd - Positive Power Supply
33	RB0/INT - Port B
34	RB1 - Port B
35	RB2 - Port B
36	RB3 - Port B
37	RB4 - Port B
38	RB5 - Port B
39	RB6 - Port B
40	RB7 - Port B

Dimensional Drawing

Technical Data

Datasheet

Microchip Web Site - Datasheet for PIC16C74

Application Notes