PIC16F1776-E/SP - 8-Bit 32MHz 14KB Flash MCU 28-SPDIP | Microchip
MPN： PIC16F1776-E/SP ✓ 啟用中PIC16F1776-E/SP 概覽
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, volatile data RAM, and a rich set of on-chip peripherals. PIC microcontrollers use a Harvard RISC architecture where program and data memories are separate, enabling single-cycle instruction fetch and deterministic timing. The 'XLP' (eXtreme Low Power) designation indicates sleep currents in the nanoamp range and active currents in the microamp range, making the family suitable for battery-powered IoT, sensor, and metering designs. The MCU sits at the lowest layer of an embedded system hierarchy, controlling sensors, actuators, and communication transceivers above it.
Key features include 4x 10-bit ADC channels, 2x 10-bit DACs, 2x op-amps, 2x comparators, 4x Configurable Logic Cells (CLC), 4x PWM outputs, Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), Zero-Cross Detect (ZCD), and 2x Capture/Compare/PWM (CCP) modules. The enhanced mid-range core adds 49 instructions, 16-level hardware stack, and interrupt capability with hardware context save.
The device's peripheral integration targets lighting ballast control, switched-capacitor converters, power-supply digital feedback, motor drive, and general-purpose mixed-signal designs. Designers who previously had to glue an external op-amp, DAC, and logic gates onto an MCU can now use PIC16F1776 internal resources, reducing BOM cost and PCB area.
Typical applications include LED lighting drivers, AC/DC and DC/DC power conversion, battery chargers, DC motor control, sensor signal conditioning, and consumer/industrial control. Designers choose this part for mixed-signal analog integration and ultra-low-power sleep current in battery-powered products.
When designing with this MCU, plan the oscillator start-up time using the OST, allocate the highest-priority interrupt to the analog comparator for fast over-current protection, and verify that the CLC configuration matches the application timing diagram. The -E/SP suffix denotes the -40C to +125C extended temperature grade in SPDIP package.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All figures are cross-referenced against DigiKey, Mouser, and the official Microchip product page.
直接替換替代品，適用於 PIC16F1776-E/SP — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F1776-E/SP （相同外形與佔位） — 差異在於 Package, DAC, Core Architecture, Operating Temperature Range, ADC.
PIC16F1779-E/SP
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F1778-E/SP
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1773-E/SP
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F1719-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1769-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1765-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1776-E/SP 最大額定值與電氣特性
| Core | PIC 8-bit enhanced mid-range RISC |
| CPU Clock Speed | 32 MHz (max) |
| Instruction Cycle | 200 ns |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| EEPROM | 128 bytes |
| Operating Voltage Range | 2.3 V to 5.5 V |
| Digital I/O Pins | 25 |
| ADC | 4x 10-bit |
| DAC | 2x 10-bit |
| Op-Amps | 2 |
| Comparators | 2 |
| Configurable Logic Cells (CLC) | 4 |
| PWM Outputs | 4 (via CCP) |
| 封裝 | 28-SPDIP (Skinny Plastic DIP) |
| 工作溫度 | -40 C to +125 C (extended, -E suffix) |
| 安裝類型 | Through-Hole |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC16F1776-E/SP 腳位配置
| 腳位 1 | RA2 — Bidirectional I/O, analog input |
| 腳位 2 | RA3 — Bidirectional I/O, analog input |
| 腳位 3 | RA4 — Bidirectional I/O, analog input |
| 腳位 4 | RA5 — Bidirectional I/O, analog input |
| 腳位 5 | RA6 — Bidirectional I/O, analog input |
| 腳位 6 | RA7 — Bidirectional I/O, analog input |
| 腳位 7 | VSS — Ground reference |
| 腳位 8 | RB0 — Bidirectional I/O, IOC interrupt |
| 腳位 9 | RB1 — Bidirectional I/O, IOC interrupt |
| 腳位 10 | RB2 — Bidirectional I/O, IOC interrupt |
| 腳位 11 | RB3 — Bidirectional I/O, IOC interrupt |
| 腳位 12 | RB4 — Bidirectional I/O, IOC interrupt |
| 腳位 13 | RB5 — Bidirectional I/O, IOC interrupt |
| 腳位 14 | RB6 — Bidirectional I/O, IOC, ICSCLK |
| 腳位 15 | RB7 — Bidirectional I/O, IOC, ICS_DAT |
| 腳位 16 | VDD — Positive supply (2.3V-5.5V) |
| 腳位 17 | RA0 — Bidirectional I/O, analog input |
| 腳位 18 | RA1 — Bidirectional I/O, analog input |
| 腳位 19 | MCLR — Master clear reset input |
| 腳位 20 | RC0 — Bidirectional I/O, PWM output |
| 腳位 21 | RC1 — Bidirectional I/O, PWM output |
| 腳位 22 | RC2 — Bidirectional I/O, PWM output |
| 腳位 23 | RC3 — Bidirectional I/O, PWM output |
| 腳位 24 | RC4 — Bidirectional I/O |
| 腳位 25 | RC5 — Bidirectional I/O |
| 腳位 26 | RC6 — Bidirectional I/O, TX |
| 腳位 27 | RC7 — Bidirectional I/O, RX |
| 腳位 28 | VSS — Ground reference |
典型應用
PIC16F1776-E/SP 適用於 6 應用s: LED Lighting Ballast Control, Switched-Mode Power Supply Digital Feedback, Battery Charging Management, BLDC and DC Motor Control, Sensor Signal Conditioning Hub, Consumer Appliance Control.
LED Lighting Ballast Control
The PIC16F1776-E/SP is well-suited for LED lighting ballast control thanks to its 4x Configurable Logic Cells (CLC), 4x PWM outputs, 2x 10-bit DACs, and 2x on-chip op-amps. The CLCs implement the leading-edge or trailing-edge dimming logic in hardware without CPU overhead, while the 32 MHz CPU handles DMX/DALI protocol parsing and color-mixing math. With 14 KB Flash and 1 KB RAM, designers can store multi-segment dimming curves and per-channel calibration data. The 2 op-amps provide current-sense amplification for closed-loop LED current regulation, eliminating external amplifiers. This integration reduces the typical lighting ballast BOM by 3-5 components compared with discrete MCU plus op-amp plus CPLD designs, while the -40C to +125C extended temperature range supports outdoor and industrial luminaires.
推薦
Switched-Mode Power Supply Digital Feedback
In AC/DC or DC/DC switched-mode power supplies, the PIC16F1776-E/SP provides digital feedback control with its 32 MHz core, 4x 10-bit ADC for output voltage and current sensing, and 4x PWM outputs for driving the power-stage MOSFETs. The integrated 2x op-amps condition current-sense shunt signals directly, while the 4x CLCs implement cycle-by-cycle current limiting in hardware, bypassing CPU latency. The 2x 10-bit DACs can be used to provide trim references or to drive the analog feedback node in hybrid digital/analog converters. With 14 KB Flash, designers can implement PID control loops, soft-start sequences, and telemetry reporting in firmware. The 2.3V-5.5V operating range and -40C to +125C temperature grade support industrial and outdoor power supply applications where reliability is critical.
推薦
Battery Charging Management
For lithium-ion or lead-acid battery charger designs, the PIC16F1776-E/SP integrates 2x op-amps for current-sense amplification, 2x comparators for over-voltage and over-current protection, 4x 10-bit ADC channels for battery voltage, current, and temperature monitoring, and 4x PWM outputs for synchronous buck converter control. The CLCs can implement charger state-machine logic in hardware, freeing the CPU to manage SMBus or I2C communication with the host system. With 14 KB Flash, designers can implement CC/CV charge algorithms, fuel-gauge calculations, and protection logging. The eXtreme Low Power (XLP) sleep currents below 1 uA make this MCU ideal for solar and battery-powered chargers where standby power must be minimized. The -E temperature grade supports under-hood automotive charger applications.
推薦
BLDC and DC Motor Control
The PIC16F1776-E/SP supports low-voltage BLDC and brushed DC motor control with its 4x PWM outputs (3-phase plus braking), 4x CLCs for sensorless BEMF zero-cross detection, 2x op-amps for current sensing, and the 32 MHz CPU for fast control loops. The Complementary Waveform Generator (CWG) peripheral generates dead-band-protected complementary outputs to drive half-bridge FET drivers without CPU intervention. With 14 KB Flash and 1 KB RAM, designers can implement trapezoidal or sine commutation tables, PI speed controllers, and fault-handling routines. The 25 digital I/O pins are sufficient for Hall-sensor inputs, pushbutton control, and serial communication to a host controller. The -40C to +125C temperature grade supports outdoor and under-hood motor applications.
推薦
Sensor Signal Conditioning Hub
In industrial sensor-transmitter hubs, the PIC16F1776-E/SP integrates 2x op-amps for analog sensor signal conditioning (bridge, RTD, thermocouple), 2x 10-bit DACs for sensor excitation, 2x comparators for threshold detection, and 4x 10-bit ADC channels for multiplexed sensor readout. The 32 MHz CPU handles Modbus RTU or IO-Link protocol framing, while the CLCs debounce and filter digital sensor inputs in hardware. With 14 KB Flash, calibration coefficients for multiple sensor types can be stored in non-volatile memory. The XLP nanoamp sleep currents enable battery-powered wireless sensor nodes with multi-year lifetimes. The SPDIP-28 package and -40C to +125C temperature grade suit industrial DIN-rail transmitter enclosures.
推薦
Consumer Appliance Control
The PIC16F1776-E/SP fits consumer appliance control boards (coffee machines, washing machines, induction cookers, air purifiers) with its 4x PWM for TRIAC/fET drive, 2x op-amps for sensing, 4x ADC for temperature/pressure monitoring, and 14 KB Flash for user-interface state machines. The CLCs implement safety interlocks and over-temperature cut-off in hardware, meeting IEC 60730 Class B software-free safety requirements. The 25 I/O pins drive keypads, LCD displays, and indicator LEDs directly without external glue logic. The XLP sleep currents extend battery life in portable appliances. The -40C to +125C temperature range covers under-counter and outdoor appliance environments, while the SPDIP-28 package simplifies hand-soldering for low-volume product variants.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F1776-E/SP — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16F1779-E/SP | PIC16F1778-E/SP | PIC16F1773-E/SP | PIC16F1719-E/P | PIC16F1769-E/P | PIC16F1765-E/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Flash | 14 KB | 28 KB | 28 KB | 7 KB | 28 KB | 8 KB | 14 KB |
| RAM | 1 KB | 2 KB | 2 KB | 512 B | 2 KB | 1 KB | 1 KB |
| CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| PWM Outputs | 4 | 4 | 4 | 2 | 4 | 2 | 4 |
| CLC | 4 | 4 | 4 | 4 | 0 | 4 | 4 |
| Op-Amps | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Operating Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V |
主要差異化特點
- Larger Flash in same SPDIP-28 footprint (對比PIC16F1779-E/SP)
- Full Configurable Logic Cell set with 4 CLCs (對比PIC16F1719-E/P)
- Doubled PWM output count (對比PIC16F1773-E/SP)
設計說明
Place a 0.1 uF ceramic decoupling capacitor within 3 mm of each VDD/VDDCORE pin, with a 10 uF bulk tantalum or ceramic capacitor on the main VDD rail. The PIC16F1776-E/SP has multiple VDD/VDDCORE pairs - all must be bypassed. Adding a ferrite bead on the analog AVDD pin isolates ADC reference noise from digital switching. Brown-out Reset (BOR) must be enabled in configuration bits to prevent code execution outside the specified VDD range.
Route the ICSP clock and data lines (RB6/ICSCLK and RB7/ICSDAT) away from high-current switching traces and away from the analog ADC inputs. The In-Circuit Serial Programming (ICSP) connector can be shared with the MCLR reset line through a resistor network. Keep the 32 MHz main oscillator traces short and surrounded by ground pour to minimize EMI. Avoid running digital signal traces parallel to the analog ADC inputs to prevent coupling.
Estimated power calculation: at 32 MHz, VDD = 5.0V, active mode, the PIC16F4176-E/SP typically draws about 7-9 mA. Sleep current with XLP enabled is below 1 uA. Do not assume default config bits - the CONFIG1 register must be explicitly programmed to enable the internal oscillator, disable the watchdog, and select the correct clock source. Failing to configure the PPS (Peripheral Pin Select) registers before enabling peripherals will leave pins floating.
For continuous -40C to +125C operation, verify the SPDIP-28 package thermal resistance (theta_JA approximately 70 C/W for SPDIP) against the application power budget. At full active mode (9 mA, 5V = 45 mW), the junction rise above ambient is only about 3 C, well within thermal limits. The package can be operated at full clock speed across the entire temperature range without heatsinking.
合規資訊
RoHS and REACH compliant per Microchip product page. -E suffix indicates extended -40C to +125C temperature grade, but not AEC-Q100 qualified. For automotive AEC-Q100 requirements, contact Microchip for the automotive-grade part number.
