PIC16LF1783-E/SP - 32MHz 8-bit XLP MCU 7KB Flash | Microchip
MPN: PIC16LF1783-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.1 | $31.00 |
| 100 | $2.65 | $265.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.05 | $2,050.00 |
PIC16LF1783-E/SP Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU core, program memory (typically flash), working RAM, non-volatile EEPROM, and a rich set of peripherals such as timers, ADC/DAC converters, communication interfaces (UART, SPI, I2C), and configurable I/O. PIC microcontrollers use a RISC-based Harvard architecture with a 14-bit instruction word, well known for deterministic interrupt latency, compact code density, and an extensive ecosystem of free development tools (MPLAB X IDE, XC8 compiler, MPLAB Code Configurator).
Key features of the PIC16LF1783-E/SP include: a 12-bit differential ADC with up to 14 channels, an 8-bit DAC, programmable gain amplifiers, on-chip comparators, configurable logic cells, two PWM/Signal Measurement Timer modules, EUSART, MSSP (I2C/SPI), and Microchip's Core Independent Peripherals (CIPs) that offload tasks from the CPU. The combination of CIPs and the XLP ultra-low-power design (typical sleep current in the nanoamp range, active current in microamps) makes this part well suited for always-on battery-powered sensor nodes.
Architecturally, the PIC16LF1783 implements Microchip's mid-range 14-bit instruction set with hardware multiplier, hardware stack, and zero-crossing detection on comparators for TRIAC/AC line control. The on-chip 32 MHz internal oscillator eliminates the need for an external crystal in many designs, while a wide operating voltage range of 1.8V to 3.6V supports single-cell lithium or 2x AA primary battery chemistries directly.
Typical applications include consumer white goods, home appliances, motor control (BLDC fan/HVAC blowers), IoT edge sensors, lighting controls, smoke/CO detectors, IR remote controls, and small form-factor industrial control boards where the 28-pin DIP form factor supports through-hole prototyping and field-serviceable designs.
When designing with this MCU, ensure VDD decoupling is placed within 5 mm of the VDD/VSS pins and that unused I/O are configured as outputs low rather than floating to minimize sleep current. The internal LFINTOSC at 32 MHz is sufficient for most digital I/O tasks, but use an external crystal when CAN, USB, or accurate baud-rate generation is required.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC16LF178x family, and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop reference for selection, sourcing, and drop-in replacement decisions.
Drop-in alternatives for PIC16LF1783-E/SP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1783-E/SP (same form factor and footprint) — differing in Package, Mounting Type, ADC, Core Architecture, Core Processor.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1783-I/SP
✅ Drop-In✓ In Stock
$1.78 / Unit
View Datasheet →PIC16LF1783-E/ML
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC16F1783-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1782-I/SP
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1789-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1783-E/SP Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-bit |
| Series | PIC® XLP™ 16F |
| Maximum Clock Frequency | 32 MHz |
| Program Memory Size | 7 KB (4K x 14) flash |
| RAM Size | 512 bytes |
| EEPROM Size | 256 bytes |
| ADC | 12-bit differential, up to 14 channels |
| DAC | 8-bit |
| Operating Voltage Range | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 °C to +125 °C (E temp grade) |
| Package | 28-pin SPDIP (Skinny Plastic DIP, through-hole) |
| Mounting Type | Through-Hole |
| Internal Oscillator | Yes, 32 MHz LFINTOSC |
PIC16LF1783-E/SP Pin Configuration
| Pin 1 | RA3/AN3 — Port A bit 3 / analog input 3 |
| Pin 2 | RA4 — Port A bit 4 |
| Pin 3 | RA5/MCLR — Port A bit 5 / Master Clear (reset) |
| Pin 4 | RA6 — Port A bit 6 |
| Pin 5 | RA7 — Port A bit 7 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RB0 — Port B bit 0 |
| Pin 8 | RB1 — Port B bit 1 |
| Pin 9 | RB2 — Port B bit 2 |
| Pin 10 | RB3 — Port B bit 3 |
| Pin 11 | RB4 — Port B bit 4 |
| Pin 12 | RB5 — Port B bit 5 |
| Pin 13 | RB6 — Port B bit 6 |
| Pin 14 | RB7 — Port B bit 7 |
| Pin 15 | VSS — Ground reference |
| Pin 16 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 17 | RC0 — Port C bit 0 |
| Pin 18 | RC1 — Port C bit 1 |
| Pin 19 | RC2 — Port C bit 2 |
| Pin 20 | RC3 — Port C bit 3 |
| Pin 21 | RC4 — Port C bit 4 |
| Pin 22 | RC5 — Port C bit 5 |
| Pin 23 | RC6 — Port C bit 6 |
| Pin 24 | RC7 — Port C bit 7 |
| Pin 25 | VSS — Ground reference |
| Pin 26 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 27 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Pin 28 | RA1/AN1 — Port A bit 1 / analog input 1 |
Typical Applications
PIC16LF1783-E/SP is suitable for 6 applications: IoT Battery-Powered Sensor Nodes, Home Appliance and White Goods Control, HVAC Fan and Blower Motor Control, Smoke and CO Detector Firmware Host, Lighting Control and Dimmable LED Drivers, Industrial Sensor Signal Conditioning.
IoT Battery-Powered Sensor Nodes
The PIC16LF1783-E/SP fits IoT sensor nodes through its XLP ultra-low-power architecture with nanoamp sleep current, 1.8 V to 3.6 V supply range, and 7 KB flash for wireless stack fragments. Its 12-bit differential ADC with on-chip programmable gain amplifiers handles sensor conditioning directly, while Core Independent Peripherals (CIPs) offload timing, pulse counting, and wake-up tasks from the CPU, allowing the core to remain in deep sleep between measurements. The 32 MHz internal LFINTOSC eliminates the crystal cost for duty-cycled LoRa/Sigfox/BLE beacon designs running on 2x AA primaries.
Recommended
Home Appliance and White Goods Control
The PIC16LF1783-E/SP suits home appliance control boards because of its extended -40 °C to +125 °C temperature grade, integrated 12-bit ADC for sensor reads, 8-bit DAC for analog control outputs, and on-chip comparators with zero-crossing detection for TRIAC-driven AC loads. The 32 MHz core provides ample MIPS for BLDC or universal motor control loops, while the 7 KB flash accommodates user-interface state machines and protection logic. The 28-pin SPDIP through-hole package simplifies wave-soldered manufacturing and field-serviceable repairs, both common in the appliance industry.
Recommended
HVAC Fan and Blower Motor Control
The PIC16LF1783-E/SP is well-matched to HVAC fan and blower motor control designs that require brushless DC (BLDC) commutation, closed-loop RPM control via back-EMF, and integrated safety timers. The PIC16 enhanced mid-range core provides two PWM/Signal Measurement Timer modules for complementary PWM generation with dead-band control, while on-chip op-amps can be configured as current-sense amplifiers to remove external analog stages. The 32 MHz clock rate supports deterministic 8 MIPS control loops, and the 7 KB flash holds lookup tables for sinusoidal commutation profiles.
Recommended
Smoke and CO Detector Firmware Host
The PIC16LF1783-E/SP operates as the firmware host in smoke and CO detector designs thanks to its XLP ultra-low-power sleep modes (typical <50 nA), 10+ year battery life capability on a 9V or 2x AA cell, and integrated 12-bit ADC for photoelectric chamber and electrochemical sensor reading. The EUSART and MSSP peripherals drive piezo buzzers, status LEDs, and interconnects to wireless modules for networked detectors. The extended -40 °C to +125 °C temperature grade ensures operation across residential and garage installations including attic heat.
Recommended
Lighting Control and Dimmable LED Drivers
The PIC16LF1783-E/SP handles 0-10 V dimming, DALI protocol bridges, and phase-cut dimmer control through its EUSART, MSSP, 12-bit ADC for analog dim input, and 8-bit DAC for analog dim output. The on-chip comparators with zero-crossing detection interface directly with AC mains for TRIAC phase-angle measurement and feed-forward control of constant-current LED drivers. Its 1.8 V to 3.6 V operation fits battery-backed emergency lighting and low-voltage DC LED strip controllers.
Recommended
Industrial Sensor Signal Conditioning
The PIC16LF1783-E/SP integrates the complete analog signal chain for industrial 4-20 mA loop-powered sensors, thermocouple transmitters, and RTD conditioners. Its on-chip operational amplifiers provide gain, the 12-bit differential ADC with 14 channels handles multi-sensor arrays, and the 8-bit DAC delivers the analog output. The 32 MHz core runs the linearization math in real time, while 256 bytes of EEPROM store calibration constants across the device's lifetime. The extended -40 °C to +125 °C grade matches process-control environmental requirements.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1783-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1783-I/SP | PIC16LF1783-E/ML | PIC16F1783-I/SP | PIC16LF1782-I/SP | PIC16LF1789-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SPDIP | 28-pin SPDIP - same | 28-pin QFN - surface-mount equivalent | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 4 KB (-43%) | 28 KB (+300%) |
| RAM | 512 B | 512 B | 512 B | 512 B | 256 B | 2 KB |
| Operating Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) |
| Maximum Clock Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 12-bit ADC / 8-bit DAC | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
Key Differentiators
- Extended industrial -40 °C to +125 °C temperature grade on the -E suffix (vs PIC16LF1783-I/SP)
- 7 KB flash provides headroom for stack-include BLE beacon firmware (vs PIC16LF1782-I/SP)
- 1.8 V to 3.6 V XLP ultra-low-power operation enables direct single-cell Li-Ion / 2x AA battery use (vs PIC16F1783-I/SP)
- Core Independent Peripherals (CIPs) offload timing-critical tasks from the CPU (vs PIC16LF1782-I/SP)
Design Notes
The PIC16LF1783-E/SP supports a wide 1.8 V to 3.6 V supply range. Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/VSS pin pair (pins 16/15 and 26/25), and add a bulk 10 uF capacitor on the main 3.3 V rail. For battery applications, route the VDD trace directly from the battery terminal to minimize voltage drop during high-current transmit bursts and enable clean deep-sleep transitions.
Always configure unused I/O pins as outputs driving low rather than inputs or floating outputs. A floating input on the PIC16LF1783-E/SP can source/sink several microamps through the input buffer, doubling the typical deep-sleep current and shortening battery life. Use the CONFIG register bits or explicit TRISx/ANSELx initializations in firmware to lock down unused pins before entering sleep.
When laying out a 28-pin SPDIP footprint, route the MCLR pin (pin 3) directly to a 10 kohm pull-up to VDD and place a 100 nF cap to VSS within 5 mm to ensure a clean POR and proper in-circuit serial programming (ICSP) operation. Place the ICSPDAT/ICSPCLK traces away from high-current switching nodes to avoid programming glitches during debug sessions.
Estimated: at full 32 MHz operation with all peripherals active, the PIC16LF1783-E/SP draws approximately 7 mA from 3.3 V, dissipating about 23 mW - well within the SPDIP package's thermal limits. In sleep mode the current drops below 50 nA, so thermal management is rarely an issue. However, in tightly enclosed outdoor enclosures, verify that the extended +125 °C grade is sufficient given any self-heating from adjacent power components.
Compliance Information
Compliance status not explicitly stated in the verified distributor snippets; refer to the manufacturer datasheet and product page for the latest RoHS/REACH declaration. The -E temperature grade supports automotive-style extended environments but the part is not formally AEC-Q100 qualified.
