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PIC16(L)F1933

28-Pin Flash-Based, 8-Bit CMOS Microcontrollers with

LCD Driver with XLP Technology

High-Performance RISC CPU:

• Only 49 Instructions to Learn:

- All single-cycle instructions except branches

• Operating Speed:

- DC – 32 MHz oscillator/clock input

- DC – 125 ns instruction cycle

• Up to 16K x 14 Words of Flash Program Memory

• Up to 1024 Bytes of Data Memory (RAM)

• Interrupt Capability with Automatic Context

Saving

• 16-Level Deep Hardware Stack

• Direct, Indirect and Relative Addressing modes

• Processor Read Access to Program Memory

• Pinout Compatible to other 28-pin PIC16CXXX

and PIC16FXXX Microcontrollers

PIC16LF1933 Low-Power Features:

• Standby Current:

- 60 nA @ 1.8V, typical

• Operating Current:

- 75

A/MHz,

1.8V, typical

• Timer1 Oscillator Current:

- 600 nA @ 32 kHz, 1.8V, typical

• Low-Power Watchdog Timer Current:

- 500 nA @ 1.8V, typical

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 pins

- Individually programmable weak pull-ups

• Integrated LCD Controller:

- Up to 96 segments

- Variable clock input

- Contrast control

- Internal voltage reference selections

• Capacitive Sensing module (mTouch

)

- Up to 16 selectable channels

• A/D Converter:

- 10-bit resolution and up to 14 channels

- Selectable 1.024/2.048/4.096V voltage

reference

• Timer0: 8-Bit Timer/Counter with 8-Bit

Programmable Prescaler

• Enhanced Timer1

- Dedicated low-power 32 kHz oscillator driver

- 16-bit timer/counter with prescaler

- External Gate Input mode with Toggle and

Single Shot modes

- Interrupt-on-gate completion

• Timer2, 4, 6: 8-Bit Timer/Counter with 8-Bit Period

• Two Capture, Compare, PWM modules (CCP)

- 16-bit Capture, max. resolution 125 ns

- 16-bit Compare, max. resolution 125 ns

- 10-bit PWM, max. frequency 31.25 kHz

• Three Enhanced Capture, Compare, PWM

modules (ECCP)

- 3 PWM time-base options

- Auto-shutdown and auto-restart

- PWM steering

- Programmable dead-band delay

Special Microcontroller Features:

• Precision Internal Oscillator:

- Factory calibrated to ±1%, typical

- Software selectable frequency range from

32 MHz to 31 kHz

• Power-Saving Sleep mode

• Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up

Timer (OST)

• Brown-out Reset (BOR)

- Selectable between two trip points

- Disable in Sleep option

• Multiplexed Master Clear with Pull-up/Input Pin

• Programmable Code Protection

• Wide Operating Voltage Range:

- 1.8V-5.5V (PIC16F1933)

- 1.8V-3.6V (PIC16LF1933)



2011-2012 Microchip Technology Inc.

DS41575C-page 1

PIC16(L)F1933

Peripheral Features (Continued):

• Master Synchronous Serial Port (MSSP) with SPI

and I

with:

- 7-bit address masking

- SMBus/PMBus

compatibility

- Auto-wake-up on start

• Enhanced Universal Synchronous Asynchronous

Receiver Transmitter (EUSART)

- RS-232, RS-485 and LIN compatible

- Auto-Baud Detect

• SR Latch (555 Timer):

- Multiple Set/Reset input options

- Emulates 555 Timer applications

• 2 Comparators:

- Rail-to-rail inputs/outputs

- Power mode control

- Software enable hysteresis

• Voltage Reference module:

- Fixed Voltage Reference (FVR) 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/194X Family Types

Program Memory

Flash (words)

MSSP (I

C™/SPI)

Data Sheet Index

LCD

(Com/Seg/Total)

10-bit ADC (ch)

CapSense (ch)

Data EEPROM

(bytes)

Comparators

Data SRAM

(bytes)

Timers

(8/16-bit)

EUSART

Debug

(1)

I/O’s

(2)

ECCP

CCP

Device

PIC16(L)F1933 (1) 4096

256

256 25 11

4/1

2 4/16/60

(3)

I/H

PIC16(L)F1934 (2) 4096

256

256 36 14 16

4/1

4/24/96

I/H Y

(3)

I/H

PIC16(L)F1936 (2) 8192

256

512 25 11

4/1

2 4/16/60

PIC16(L)F1937 (2) 8192

256

512 36 14 16

4/1

4/24/96

I/H Y

(3)

PIC16(L)F1938 (3) 16384 256 1024 25 11

4/1

2 4/16/60

I/H

PIC16(L)F1939 (3) 16384 256 1024 36 14 16

4/1

4/24/96

I/H Y

PIC16(L)F1946 (4) 8192

256

512 54 17 17

4/1

4/46/184

PIC16(L)F1947 (4) 16384 256 1024 54 17 17

4/1

4/46/184

Note 1:

I - Debugging, Integrated on Chip; H - Debugging, available using Debug Header.

One pin is input-only.

COM3 and SEG15 share the same physical pin, therefore SEG15 is not available when using 1/4 multiplex

displays.

Data Sheet Index:

(Unshaded devices are described in this document.)

DS41575

PIC16(L)F1933 Data Sheet, 28-Pin Flash, 8-bit Microcontrollers.

DS41364

PIC16(L)F1934/6/7 Data Sheet, 28/40/44-Pin Flash, 8-bit Microcontrollers.

DS41574

PIC16(L)F1938/9 Data Sheet, 28/40/44-Pin Flash, 8-bit Microcontrollers.

DS41414

PIC16(L)F1946/1947 Data Sheet, 64-Pin Flash, 8-bit Microcontrollers.

Note:

For other small form-factor package availability and marking information, please visit

http://www.microchip.com/packaging

or contact your local sales office.

DS41575C-page 2



2011-2012 Microchip Technology Inc.

XLP

PIC16(L)F1933

Pin Diagram – 28-Pin SPDIP/SOIC/SSOP

(

PIC16F1933, PIC16LF1933)

28-pin SPDIP, SOIC, SSOP

/MCLR/RE3

RA0

RA1

RA2

RA3

RA4

RA5

RA7

RA6

RC0

RC1

RC2

RC3

PIC16LF1933

PIC16F1933

RB7/ICSPDAT

RB6/ICSPCLK

RB5

RB4

RB3

RB2

RB1

RB0

RC7

RC6

RC5

RC4

Pin Diagram – 28-Pin QFN/UQFN

(

PIC16F1933, PIC16LF1933)

28-pin QFN/UQFN

RE3/MCLR/V

RB7/ICSPDAT

RB6/ICSPCLK

RB5

RB4

RA1

RA0

RA2

RA3

RA4

RA5

RA7

RA6



2011-2012 Microchip Technology Inc.

RC0

RC1

RC2

RC3

RC4

RC5

RC6

PIC16F1933

PIC16LF1933

RB3

RB2

RB1

RB0

RC7

DS41575C-page 3

PIC16(L)F1933

TABLE 1:

28-Pin

SPDIP/SOIC/SSOP

28-Pin

QFN/UQFN

28-PIN SUMMARY (PIC16F1933, PIC16LF1933)

Comparator

Cap Sense

SR Latch

EUSART

Interrupt

ANSEL

Pull-up

Timers

MSSP

RA0

RA1

RA2

RA3

RA4

RA5

RA6

—

AN0

AN1

AN2/

REF

AN3/

REF

—

AN4

—

CPS6

CPS7

—

C12IN0-/

C2OUT

(1)

C12IN1-

C2IN+/

DACOUT

C1IN+

C1OUT

C2OUT

—

(1)

SRNQ

(1)

—

SRQ

SRNQ

—

(1)

—

T0CKI

—

CCP5

—

(1)

—

(1)

SEG12

SEG7

COM2

SEG15/

COM3

SEG4

SEG5

SEG1

—

CAP

(2)

—

CAP

(2)

OSC2/

CLKOUT

CAP

(2)

OSC1/

CLKIN

—

RA7

RB0

RB1

RB2

RB3

RB4

RB5

—

AN12

AN10

AN8

AN9

AN11

AN13

—

CPS0

CPS1

CPS2

CPS3

CPS4

CPS5

—

C12IN3-

—

C12IN2-

—

SRI

—

T1G

(1)

—

CCP4

P1C

P1B

CCP2

(1)

P2A

P1D

P2B

(1)

CCP3

(1)

P3A

(1)

—

P2B

(1)

CCP2

(1)

P2A

(1)

CCP1/

P1A

—

CCP3

(1)

P3A

(1)

P3B

—

SEG2

SEG0

VLCD1

VLCD2

VLCD3

COM0

COM1

—

INT/

IOC

—

RB6

RB7

RC0

RC1

RC2

RC3

RC4

RC5

RC6

RC7

RE3

Vss

Note

5,16

—

T1OSO/

T1CKI

T1OSI

—

T1G

(1)

—

TX/CK

RX/DT

—

SCK/SCL

SDI/SDA

SDO

—

SEG14

SEG13

—

SEG3

SEG6

SEG11

SEG10

SEG9

SEG8

—

IOC

—

ICSPCLK/

ICDCLK

ICSPDAT/

ICDDAT

—

MCLR/V

—

Pin functions can be moved using the APFCON register.

PIC16F1933 devices only.

DS41575C-page 4



2011-2012 Microchip Technology Inc.

Basic

CCP

LCD

A/D

I/O

PIC16(L)F1933

Table of Contents

1.0 Device Overview .......................................................................................................................................................................... 7

2.0 Enhanced Mid-Range CPU ........................................................................................................................................................ 13

3.0 Memory Organization ................................................................................................................................................................. 15

4.0 Device Configuration .................................................................................................................................................................. 45

5.0 Oscillator Module (With Fail-Safe Clock Monitor)....................................................................................................................... 51

6.0 Resets ........................................................................................................................................................................................ 69

7.0 Interrupts .................................................................................................................................................................................... 77

8.0 Low Dropout (LDO) Voltage Regulator ...................................................................................................................................... 91

9.0 Power-Down Mode (Sleep) ........................................................................................................................................................ 93

10.0 Watchdog Timer (WDT) ............................................................................................................................................................. 95

11.0 Data EEPROM and Flash Program Memory Control ................................................................................................................. 99

12.0 I/O Ports ................................................................................................................................................................................... 113

13.0 Interrupt-On-Change ................................................................................................................................................................ 129

14.0 Fixed Voltage Reference.......................................................................................................................................................... 133

15.0 Analog-to-Digital Converter (ADC) Module .............................................................................................................................. 137

16.0 Temperature Indicator Module ................................................................................................................................................. 151

17.0 Digital-to-Analog Converter (DAC) Module .............................................................................................................................. 153

18.0 Comparator Module.................................................................................................................................................................. 157

19.0 SR Latch................................................................................................................................................................................... 167

20.0 Timer0 Module ......................................................................................................................................................................... 171

21.0 Timer1 Module with Gate Control............................................................................................................................................. 175

22.0 Timer2/4/6 Modules.................................................................................................................................................................. 187

23.0 Capture/Compare/PWM Modules (ECCP1, ECCP2, ECCP3, CCP4, CCP5).......................................................................... 191

24.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 219

25.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) ............................................................... 275

26.0 Capacitive Sensing Module...................................................................................................................................................... 305

27.0 Liquid Crystal Display (LCD) Driver Module............................................................................................................................. 313

28.0 In-Circuit Serial Programming™ (ICSP™) ............................................................................................................................... 347

29.0 Instruction Set Summary .......................................................................................................................................................... 351

30.0 Electrical Specifications............................................................................................................................................................ 365

31.0 DC and AC Characteristics Graphs and Charts ....................................................................................................................... 397

32.0 Development Support............................................................................................................................................................... 433

33.0 Packaging Information.............................................................................................................................................................. 437

Appendix A: Data Sheet Revision History.......................................................................................................................................... 449

Appendix B: Migrating From Other PIC

Devices.............................................................................................................................. 449

Index .................................................................................................................................................................................................. 451

The Microchip Web Site ..................................................................................................................................................................... 459

Customer Change Notification Service .............................................................................................................................................. 459

Customer Support .............................................................................................................................................................................. 459

Reader Response .............................................................................................................................................................................. 460

Product Identification System ............................................................................................................................................................ 461



2011-2012 Microchip Technology Inc.

DS41575C-page 5

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