PIC16(L)F1938/9
28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with
LCD Driver
High-Performance RISC CPU: PIC16LF193X Low-Power Features:
Only 49 Instructions to Learn: Standby Current:
- All single-cycle instructions except branches - 60 nA @ 1.8V, typical
Operating Speed: Operating Current:
- DC 32 MHz oscillator/clock input -43 A/MHz @ 1.8V, typical
- DC 125 ns instruction cycle Timer1 Oscillator Current:
Up to 16K x 14 Words of Flash Program Memory - 600 nA @ 32 kHz, 1.8V, typical
Up to 1024 Bytes of Data Memory (RAM) Low-Power Watchdog Timer Current:
Interrupt Capability with automatic context saving - 500 nA @ 1.8V, typical
16-Level Deep Hardware Stack
Peripheral Features:
Direct, Indirect and Relative Addressing modes
Processor Read Access to Program Memory
Up to 35 I/O Pins and 1 Input-only pin:
Pinout Compatible to other 28/40-pin PIC16CXXX
- High-current source/sink for direct LED drive
and PIC16FXXX Microcontrollers
- Individually programmable Interrupt-on-pin
change pins
Special Microcontroller Features:
- Individually programmable weak pull-ups
Precision Internal Oscillator:
Integrated LCD Controller:
- Factory calibrated to 1%, typical
- Up to 96 segments
- Software selectable frequency range from
- Variable clock input
32 MHz to 31 kHz
- Contrast control
Power-Saving Sleep mode
- Internal voltage reference selections
Power-on Reset (POR) TM
):
Capacitive Sensing module (mTouch
Power-up Timer (PWRT) and Oscillator Start-up
- Up to 16 selectable channels
Timer (OST)
A/D Converter:
Brown-out Reset (BOR):
- 10-bit resolution and up to 14 channels
- Selectable between two trip points
- Selectable 1.024/2.048/4.096V voltage
- Disable in Sleep option
reference
Multiplexed Master Clear with Pull-up/Input Pin
Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Code Protection
Programmable Prescaler
Wide Operating Voltage Range:
Enhanced Timer1:
- 1.8V-5.5V (PIC16F193X)
- Dedicated low-power 32 kHz oscillator driver
- 1.8V-3.6V (PIC16LF193X)
- 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
2011-2013 Microchip Technology Inc. DS40001574C-page 1PIC16(L)F1938/9
2 Comparators:
Peripheral Features (Continued):
- Rail-to-rail inputs/outputs
Master Synchronous Serial Port (MSSP) with SPI
- Power mode control
2
TM
and I C with:
- Software enable hysteresis
- 7-bit address masking
Voltage Reference module:
TM
- SMBus/PMBus compatibility
- Fixed Voltage Reference (FVR) with 1.024V,
- Auto-wake-up on start
2.048V and 4.096V output levels
Enhanced Universal Synchronous Asynchronous
- 5-bit rail-to-rail resistive DAC with positive
Receiver Transmitter (EUSART):
and negative reference selection
- RS-232, RS-485 and LIN compatible
- Auto-Baud Detect
SR Latch (555 Timer):
- Multiple Set/Reset input options
- Emulates 555 Timer applications
PIC16(L)F193X/194X FAMILY TYPES
Device
(3)
PIC16(L)F1933 (1) 4096 256 256 25 11 8 2 4/1 1 1 3 2 4/16/60 I/H/E Y
PIC16(L)F1934 (2) 4096 256 256 36 14 16 2 4/1 1 1 3 2 4/24/96 I/H/E Y
(3)
PIC16(L)F1936 (2) 8192 256 512 25 11 8 2 4/1 1 1 3 2 4/16/60 I/H/E Y
PIC16(L)F1937 (2) 8192 256 512 36 14 16 2 4/1 1 1 3 2 4/24/96 I/H/E Y
(3)
PIC16(L)F1938 (3) 16384 256 1024 25 11 8 2 4/1 1 1 3 2 4/16/60 I/H/E Y
PIC16(L)F1939 (3) 16384 256 1024 36 14 16 2 4/1 1 1 3 2 4/24/96 I/H/E Y
PIC16(L)F1946 (4) 8192 256 512 54 17 17 3 4/1 2 2 3 2 4/46/184 I Y
PIC16(L)F1947 (4) 16384 256 1024 54 17 17 3 4/1 2 2 3 2 4/46/184 I Y
Note 1: Debugging Methods: (I) Integrated On-Chip; (H) using Debug Header; (E) using Emulation Header.
2: One pin is input-only.
3: 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.)
1: DS41575 PIC16(L)F1933 Data Sheet, 28-Pin Flash, 8-bit Microcontrollers.
2: DS41364 PIC16(L)F1934/6/7 Data Sheet, 28/40/44-Pin Flash, 8-bit Microcontrollers.
3: DS41574 PIC16(L)F1938/9 Data Sheet, 28/40/44-Pin Flash, 8-bit Microcontrollers.
4: DS41414 PIC16(L)F1946/1947 Data Sheet, 64-Pin Flash, 8-bit Microcontrollers.
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