PIC12F1612-E/MF - 8-bit MCU, 3.5KB Flash, 32MHz, 8-DFN | Microchip
MPN: PIC12F1612-E/MF β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.96 | $0.96 |
| 10 | $0.86 | $8.60 |
| 100 | $0.74 | $74.00 |
| 500 | $0.62 | $310.00 |
| 1,000 | $0.5 | $500.00 |
PIC12F1612-E/MF Overview
An 8-bit microcontroller (MCU) is a small, low-power computing device built around an 8-bit data path and integrated Flash program memory, peripherals, and a CPU core on a single die. The PIC12F1612 belongs to the PIC12F family, which sits within the broader PIC microcontroller hierarchy: 8-bit MCU -> PIC microcontroller -> Microchip MCU portfolio -> embedded computing devices. Low-pin-count PIC12F parts are designed for cost- and space-sensitive designs that still need hardware timers, ADC, and PWM.
Key differentiating features of the PIC12F1612 include its on-chip 24-bit Signal Measurement Timer (rare in 8-pin MCUs), zero-cross detection logic for AC-line dimming, complementary waveform generator (CWG), numerically controlled oscillator (NCO), and configurable logic cell (CLC). These peripherals enable motor control, lighting, and signal conditioning without external components. The internal oscillator reduces BOM cost, and the wide 2.5V to 5.5V supply range supports both 3.3V and 5V system rails.
The PIC12F1612 uses a Harvard-architecture RISC core with a single-cycle instruction set, enabling deterministic instruction timing. Its analog front-end pairs a 10-bit ADC with comparators and a fixed-voltage reference, while digital peripherals (CCP, CWG, NCO, CLC) provide flexible waveform synthesis. Code protection, low-voltage programming, and In-Circuit Serial Programming (ICSP) support simplify prototyping and field updates.
Typical applications include low-end motor control (small DC and brushed motors), AC-line dimming with zero-cross detection, LED lighting and color mixing, sensor signal conditioning, and general-purpose embedded control in white goods, fans, and small appliances. The wide temperature range (-40C to +125C) and small footprint also suit automotive body and industrial sensor nodes.
When designing with this part, route the exposed pad (EP) to a solid ground plane for thermal dissipation and electrical reference, and follow Microchip's DFN PCB layout guidelines for the 8-VDFN package. Programming via ICSP requires the standard PGD/PGC pin pair.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet.
Drop-in alternatives for PIC12F1612-E/MF β 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 PIC12F1612-E/MF (same form factor and footprint) β differing in ADC, Core Architecture, Package, I/O Pins, Internal Oscillator.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC12F1612-I/MF
β Drop-Inβ In Stock
$0.81 / Unit
View Datasheet βPIC12F1612T-E/MF
β Drop-Inπ Reference alternative (not in catalog)
PIC12F1612-E/MF Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC |
| Family | PIC12F (PIC12F1612) |
| Program Memory (Flash) | 3.5 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V |
| ADC | 10-bit |
| CCP | Yes (Capture/Compare/PWM) |
| Signal Measurement Timer (SMT) | 24-bit |
| Zero-Cross Detection | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Configurable Logic Cell (CLC) | Yes |
| Operating Temperature Range | -40 C to +125 C |
| Package | 8-VDFN Exposed Pad (MF) |
| Pin Count | 8 |
| Mounting Type | Surface Mount |
| RoHS | Compliant (per distributor listing) |
PIC12F1612-E/MF Pin Configuration
| Pin 1 | RA0/ICSPDAT/AN0 β GPIO RA0 / ICSP data / analog input AN0 |
| Pin 2 | RA1/ICSPCLK/AN1 β GPIO RA1 / ICSP clock / analog input AN1 |
| Pin 3 | RA2/AN2 β GPIO RA2 / analog input AN2 |
| Pin 4 | RA3/MCLR/Vpp β GPIO RA3 / Master Clear reset / programming voltage |
| Pin 5 | RA4/AN3 β GPIO RA4 / analog input AN3 |
| Pin 6 | RA5/AN4 β GPIO RA5 / analog input AN4 |
| Pin 7 | VDD β Positive supply input (2.5V to 5.5V) |
| Pin 8 | VSS β Ground reference |
Typical Applications
PIC12F1612-E/MF is suitable for 6 applications: Small Brushed DC Motor Control, AC-Line Phase-Angle Dimming (TRIAC), LED Lighting and Color Mixing, Sensor Signal Conditioning Hubs, White Goods and Small Appliance Control, Automotive Body and Interior Nodes.
Small Brushed DC Motor Control
The PIC12F1612-E/MF is well suited to small brushed DC motor control because it integrates a Complementary Waveform Generator (CWG) for full-bridge gate-drive timing, a 24-bit Signal Measurement Timer (SMT) for back-EMF period measurement, and a 10-bit ADC for current sensing - all in an 8-pin footprint. With up to 8 MIPS throughput at 32 MHz, the firmware can close a PI speed loop while generating PWM for an external H-bridge driver. The wide 2.5 V to 5.5 V supply range simplifies battery (3.3 V) or USB-bus-powered designs. Place the exposed pad over a thermal via array to ground to handle the MCU's modest dissipation under high PWM duty cycles.
Recommended
AC-Line Phase-Angle Dimming (TRIAC)
The PIC12F1612-E/MF's integrated zero-cross detection peripheral directly senses AC-line transitions through a single GPIO and high-impedance resistor divider, enabling phase-angle TRIAC dimming for incandescent and dimmable LED loads. The on-chip NCO and CWG peripherals synthesize precise firing-angle delays with sub-microsecond resolution without CPU intervention. The 32 MHz CPU bandwidth allows simultaneous mains-frequency measurement, dim-curve calculation, and user-input decoding (pushbutton or potentiometer via 10-bit ADC). The wide operating voltage (2.5-5.5V) simplifies power supply design from a single capacitive-dropper rail.
Recommended
LED Lighting and Color Mixing
The PIC12F1612-E/MF supports LED lighting and color-mixing applications through its multi-channel CCP/PWM output and CLC peripheral, which can mix PWM channels or generate phase-shifted waveforms to drive multi-channel constant-current LED drivers. The NCO generates dithered high-frequency PWM for high-bit-depth dimming at low LED current, avoiding visible flicker. The 10-bit ADC reads photodiodes or potentiometers for closed-loop brightness or color-temperature control. The 8-VDFN exposed-pad package keeps the design compact enough for MR16 retrofit lamps and under-cabinet fixtures.
Recommended
Sensor Signal Conditioning Hubs
For low-power sensor hubs that aggregate analog and digital sensor inputs, the PIC12F1612-E/MF offers a 10-bit ADC, multiple comparators, and CLC logic that can perform on-chip signal conditioning before waking the host. The 24-bit SMT measures pulse-width sensor outputs (flow meters, distance sensors) to microsecond precision without CPU load. With 3.5 KB Flash, the part can run a complete sensor-fusion state machine in 8 pins, freeing the host processor from polling duties. The -40C to +125C temperature grade supports outdoor and industrial deployments.
Recommended
White Goods and Small Appliance Control
The PIC12F1612-E/MF is a strong fit for cost-sensitive white-goods and small-appliance control (coffee makers, blenders, humidifiers, fans) due to its integrated CWG for heating-element or motor PWM, zero-cross detection for mains-synchronized loads, and small 8-VDFN footprint. Its 32 MHz CPU executes user-interface logic (button matrix, LED indicators, basic display driving) and appliance state machines concurrently. The -40 C to +125 C grade handles under-hood and steam-environment thermal exposure. Internal oscillator trim eliminates external crystal cost in cost-sensitive SKUs.
Recommended
Automotive Body and Interior Nodes
The PIC12F1612-E/MF's -40 C to +125 C extended temperature grade suits automotive body and interior nodes such as RKE receivers, mirror adjusters, ambient LED controllers, and seat-occupancy sensor interfaces. The CCP and CWG peripherals generate the precise PWM needed for LED current regulation and small motor positioning, while the SMT measures automotive sensor frequencies (Hall-effect, variable-reluctance). The 8-VDFN EP package meets automotive PCB density requirements and supports AEC-Q100-grade PCB assembly processes (although the part itself is not AEC-Q100 qualified - select AEC-Q100 PIC16 variants for full automotive qualification).
Recommended
Recommended Products Summary
Engineering reference data for PIC12F1612-E/MF β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F1612-I/MF | PIC12F1612T-E/MF |
|---|---|---|---|
| Package | 8-VDFN Exposed Pad (MF) | 8-VDFN Exposed Pad (MF) - same | 8-VDFN Exposed Pad (MF) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | 8-bit PIC RISC | 8-bit PIC RISC | 8-bit PIC RISC |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| Signal Measurement Timer (SMT) | 24-bit | 24-bit | 24-bit |
| Zero-Cross Detection | Yes | Yes | Yes |
| Complementary Waveform Generator | Yes | Yes | Yes |
Key Differentiators
- Extended temperature grade (-40C to +125C) (vs PIC12F1612-I/MF)
- 24-bit Signal Measurement Timer (SMT) peripheral (vs PIC12F1572-E/MF (Site MPN))
- Zero-Cross Detection and CWG peripherals (vs PIC12F1572-E/MF (Site MPN))
Design Notes
The 8-VDFN Exposed Pad package relies on the bottom thermal pad for heat dissipation. Estimated: with the EP soldered to 4 thermal vias on a 1 oz copper pour (approx 50 mm^2), theta_JA drops from ~120 C/W (no thermal pad) to ~55 C/W. At full 32 MHz CPU utilization drawing ~5 mA from 5V (25 mW), the junction rises only 1.4 C above ambient. Soldering the EP is mandatory for both thermal and electrical (ground) reasons; do not leave it floating.
The 8-VDFN footprint is 3 mm x 3 mm with a 0.5 mm pitch and a central 1.5 mm x 1.5 mm exposed pad. Use NSMD (Non-Solder Mask Defined) land pads with 0.25 mm solder mask expansion to improve solder joint reliability, and place at least 4 thermal vias (0.3 mm drill) directly under the EP connecting to the inner ground plane. Place the ICSP test points (PGD = RA0, PGC = RA1) on the PCB edge to enable in-circuit programming without rework.
When using the zero-cross detection peripheral for AC-line sensing, add a 1 MOhm resistor divider from the AC line to the sensing GPIO, plus a 100 kOhm resistor in series with the GPIO and a 100 pF capacitor to ground as an EMI/RF filter. The internal zero-cross detector has a small input hysteresis, but external filtering is needed to reject fast transients from TRIAC commutation that would otherwise trigger false zero-cross events.
Do not omit the 0.1 uF ceramic decoupling capacitor between VDD (pin 7) and VSS (pin 8); place it within 3 mm of the pins. Do not use MCLR (pin 4) as a regular GPIO without an external 10 kOhm pull-up to VDD, or the MCU may reset unexpectedly. ICSP requires the ICSPDAT/ICSPCLK pins (RA0/RA1) to be free of load that would prevent the programmer from driving them. The 24-bit SMT input must be configured in firmware before use - it is not enabled by default.
Compliance Information
RoHS compliance indicated by distributor listings (LCSC, DigiKey). AEC-Q100 status not stated by Microchip in the verified data; PIC12F1612-E/MF is the extended-temperature grade but is not formally AEC-Q100 qualified - for full AEC-Q100 applications consider PIC16F1613-I/SL. REACH, halogen-free, and conflict-mineral status not stated in verified data.
