Microchip PIC16(L)F1934/6/7 Data Sheet

28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

Product Overview

This document provides detailed specifications for the Microchip PIC16(L)F1934/6/7 family of microcontrollers. These devices are 28/40/44-pin, Flash-based, 8-bit CMOS microcontrollers featuring an integrated LCD driver and Microchip's nanoWatt XLP (eXtreme Low Power) technology.

Key Features

High-Performance RISC CPU

Only 49 instructions to learn
All single-cycle instructions except branches
Operating Speed: DC to 32 MHz oscillator/clock input
Up to 16K x 14 Words of Flash Program Memory
Up to 96 Bytes of RAM
Up to 16-Level Deep Hardware Stack
Direct, Indirect and Relative Addressing modes
Processor Read Access to Program Memory
Pinout compatible with other 28/40/44-pin PIC16CXXX and PIC16FXXX Microcontrollers

Special Microcontroller Features

Factory calibrated to ±1%, typical
Software selectable frequency range from 31 kHz to 32 MHz
Power-Saving Sleep mode
Power-Up Timer (PWRT) and Oscillator Start-up Timer (OST)
Brown-out Reset (BOR)
Selectable between two trip points
Dedicated Master Clear (MCLR) pin with software enable/disable
Multiplexed Master Clear with Pull-up/Pull-down
Programmable Code Protection
High Endurance Flash EEPROM: 100,000 write Flash endurance, 1,000,000 write EEPROM endurance
Flash/Data EEPROM retention: > 40 years
Wide Operating Voltage Range: 1.8V - 5.5V (PIC16(L)F193X), 1.8V - 3.6V (PIC16LF193X)

PIC16LF193X Low-Power Features

Standby Current: 50 nA @ 1.8V typical
Operating Current: 70 µA @ 32 kHz, 1.8V typical (PIC16LF193X), 150 µA @ 1 MHz, 1.8V typical (PIC16LF193X)
Timer Oscillator Current: 600 nA @ 32 kHz, 1.8V typical
Low-Power Watchdog Timer Current: 600 nA @ 1.8V typical (PIC16LF193X)

Peripheral Features

Up to 35 I/O Pins and 1 Input-Only Pin
High-current source/sink for direct LED drive
Individually programmable interrupt-on-pin change
Individually programmable wake-up/sleep pins
Integrated LCD Controller
Up to 36 I/O pins
Variable stack input
Contrast control
Up to 16-channel voltage references
Capacitive Sensing module (mTouch™)
Up to 18 selectable channels
A/D Converter:
10-bit resolution and up to 14 channels
Selectable 1.024/2.048/4.096 voltage references
Enhanced Timer:
10-bit Timer0, 8-bit Timer1/Counter with 8-bit Prescaler
Two Capture, Compare, PWM (CCP) modules:
16-bit Capture, max resolution 125 ns
10-bit PWM, max. frequency 31.25 MHz
Three Enhanced Capture, Compare, PWM modules (ECCP):
PWM steering
Programmable dead-band delay
Master Synchronous Serial Port (MSSP) with SPI and I²C™ with SMBus™ compatibility
Auto-wake-up on start
Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART)
RS-232, RS-485 and LIN compatible
Auto-Baud Detect
SPI™ (Latch 1555 Timer)
Multiple S/R/Reset Input options
Emulate 4/8/16-bit Timer applications
2 Comparators
Roll-to-roll input/outputs
Power mode control
Software enable/disable controls
Voltage Reference module:
Programmable Voltage Reference (PVR) with 1.024V, 2.048V and 4.096V output levels
5-bit rail-to-rail resistive DAC with positive and negative reference selection

PIC16(L)F193X Family Types

Table 1: 28-Pin Summary (PIC16(L)F1936)
Device	Program Memory (Words)	Data EEPROM (Bytes)	RAM (Bytes)	Total I/O Pins	ADC (Bits)	Comparators	Timers	ECCP	CCP	LCD
PIC16(L)F1934	4K	256	38	14	12	2	4/1	Yes	Yes	24x4
PIC16LF1936	8K	256	38	16	12	2	4/1	Yes	Yes	24x4
PIC16LF1937	8K	256	38	16	12	2	4/1	Yes	Yes	24x4
PIC16LF1933	4K	256	38	14	12	2	4/1	Yes	Yes	24x4
PIC16LF1939	8K	256	38	16	12	2	4/1	Yes	Yes	24x4

Note 1: Pin functions are selectable via the APFCON register.

Note 2: PIC16LF1933 devices only.

Pin Diagrams

The following sections describe the pin configurations for various package types.