Microchip Technology IC PIC MCU PIC16F1937-I/PT TQFP-44 MCP PIC16F1937-I/PT Data Sheet

 2008-2011 Microchip Technology Inc.

DS41364E-page 3

• 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 28/40/44-pin 

PIC16CXXX and PIC16FXXX Microcontrollers

• 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
• High Endurance Flash/EEPROM cell:

- 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 (PIC16F193X)
- 1.8V-3.6V (PIC16LF193X)

• Standby Current:

- 60 nA @ 1.8V, typical

• Operating Current:

- 7.0

A @ 32 kHz, 1.8V, typical (PIC16LF193X)

- 150

A @ 1 MHz, 1.8V, typical (PIC16LF193X)

• Timer1 Oscillator Current:

- 600 nA @ 32 kHz, 1.8V, typical

• Low-Power Watchdog Timer Current:

- 500 nA @ 1.8V, typical (PIC16LF193X)

• 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

TM

)

- 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 

Register, Prescaler and Postscaler

• 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

• PIC16F1934

• PIC16LF1934

• PIC16F1936

• PIC16LF1936

• PIC16F1937

• PIC16LF1937

• PIC16(L)F1933 (DS41575)
• PIC16(L)F1938/9 (DS41574)

PIC16(L)F193X devices referred to in this
data sheet apply to PIC16(L)F1934/6/7.