PIC16F1516-I/SP - 8-Bit MCU, 14KB Flash, 20MHz, 28-SPDIP | Microchip
MPN: PIC16F1516-I/SP ✓ Hoạt độngPIC16F1516-I/SP Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash/ROM), data memory (RAM), and peripheral blocks (ADC, timers, communication interfaces) on one die. Within the broader taxonomy, the PIC16F1516 sits at: PIC16 family -> enhanced mid-range core -> 8-bit MCU -> microcontroller -> embedded IC. Its RISC Harvard architecture separates program and data buses, enabling single-cycle instruction fetch and predictable 200 ns execution at 20 MHz, which simplifies deterministic real-time control loops.
Key differentiating features include 14 KB self-read/write Flash with ICD support, 49 base instructions plus optimized branches, 16-level hardware stack, two 8-bit timers, one 16-bit timer, an enhanced 10-bit ADC with up to 17 input channels, and a Master Synchronous Serial Port (MSSP) configurable as SPI or I2C. The device supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates on populated boards without desoldering, and integrates brown-out reset (BOR) and power-on reset (POR) for robust field operation.
Typical applications are general-purpose embedded control where low cost and predictable 8-bit performance dominate: consumer white goods, sensor conditioning front-ends, simple user-interface controllers, LED driving with PWM, small motor drivers, and educational/hobbyist platforms. The wide 1.8-5.5 V range also supports battery-powered IoT nodes where the XLP sleep current extends coin-cell life.
Designers should select the I-suffix (industrial -40 to +85 C) for most deployments and verify ICD pin assignments for the chosen debugger (MPLAB PICkit, Snap, ICD 3). For PCB designs, allocate decoupling capacitors within 5 mm of VDD and AVSS pins and route the ICSPDAT/ICSPCLK pair as a matched-length pair to avoid programming failures.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1516-I/SP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16F1516-I/SP (cùng hình factor và footprint) — khác nhau ở Package, Timers, ADC, Operating Temperature, Program Memory (Flash).
PIC16F1516-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1516-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1516-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1516-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1518-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1513-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1516-I/SP Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 Enhanced Mid-Range (Harvard RISC) |
| CPU Bit Width | 8-bit |
| Maximum Clock Speed | 20 MHz |
| Instruction Execution Time | 200 ns |
| Program Memory (Flash) | 14 KB (8192 x 14 words) |
| Data SRAM | 512 bytes |
| Supply Voltage Range (F version) | 1.8 V to 5.5 V |
| I/O Pins | 27 |
| ADC | 10-bit, up to 17 channels |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | 1 x MSSP (SPI/I2C), 1 x EUSART |
| Internal Oscillator | 16 MHz |
| Operating Temperature (I suffix) | -40 C to +85 C |
| Hộp | 28-pin SPDIP (SP) |
| Kiểu lắp đặt | Through-Hole (DIP) |
| Trạng thái RoHS | Compliant |
| ICSP Programming | Yes (2-wire ICSP) |
| Stack Levels | 16 |
| XLP Technology | Yes (eXtreme Low Power) |
Cấu hình chân PIC16F1516-I/SP
| Chân 1 | RA0/ICSPDAT — Bidirectional I/O / ICSP data line |
| Chân 2 | RA1/ICSPCLK — Bidirectional I/O / ICSP clock line |
| Chân 3 | RA2 — Bidirectional I/O |
| Chân 4 | RA3/MCLR — Bidirectional I/O / Master Clear (reset) input |
| Chân 5 | RA4 — Bidirectional I/O |
| Chân 6 | RA5 — Bidirectional I/O |
| Chân 7 | RA6 — Bidirectional I/O |
| Chân 8 | RA7 — Bidirectional I/O |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply voltage (1.8-5.5 V) |
| Chân 11 | RB0 — Bidirectional I/O / interrupt-on-change |
| Chân 12 | RB1 — Bidirectional I/O / interrupt-on-change |
| Chân 13 | RB2 — Bidirectional I/O / interrupt-on-change |
| Chân 14 | RB3 — Bidirectional I/O / interrupt-on-change |
| Chân 15 | RB4 — Bidirectional I/O / interrupt-on-change |
| Chân 16 | RB5 — Bidirectional I/O / interrupt-on-change |
| Chân 17 | RB6 — Bidirectional I/O / interrupt-on-change / ICSP clock |
| Chân 18 | RB7 — Bidirectional I/O / interrupt-on-change / ICSP data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage |
| Chân 21 | RC0 — Bidirectional I/O |
| Chân 22 | RC1 — Bidirectional I/O |
| Chân 23 | RC2 — Bidirectional I/O |
| Chân 24 | RC3 — Bidirectional I/O |
| Chân 25 | RC4 — Bidirectional I/O |
| Chân 26 | RC5 — Bidirectional I/O |
| Chân 27 | RC6 — Bidirectional I/O |
| Chân 28 | RC7 — Bidirectional I/O |
Ứng dụng tiêu biểu
PIC16F1516-I/SP phù hợp cho 6 Áp dụngs: Consumer White Goods Control, Battery-Powered IoT Sensor Nodes, LED Lighting and PWM Drivers, Industrial Sensor Conditioning, Educational and Hobbyist Platforms, Automotive Accessory Modules.
Consumer White Goods Control
The PIC16F1516-I/SP's 14 KB Flash and 20 MIPS throughput fit mid-complexity appliance control boards (rice cookers, washing machines, microwave user interfaces) where deterministic real-time response matters. Its 1.8-5.5 V supply lets it interface directly to 3.3 V sensor front-ends and 5 V relay drivers without level shifters, reducing BOM cost. The 27 I/O pins handle keypad scanning, seven-segment or LCD driving, and triac control; the 10-bit ADC reads temperature and water level. Compared to a 32-bit Cortex-M0+, the PIC16F1516 cuts unit cost by 40-60% while still meeting response budgets under 10 ms.
Được đề xuất
Battery-Powered IoT Sensor Nodes
XLP (eXtreme Low Power) technology makes the PIC16F1516-I/SP ideal for coin-cell or 2x AA sensor nodes that sleep most of the time. Sleep currents in the nanoampere range combined with a fast wake-up from the 16 MHz internal oscillator let the MCU spend >99% of its life in sleep, waking only to read a sensor and transmit. The wide 1.8-5.5 V supply matches 3 V lithium and 3.6 V Li-SOCl2 chemistries directly. Compared to ARM Cortex-M0+ alternatives, the PIC16F1516 typically achieves 2-3x longer battery life in sub-1 GHz sensor applications thanks to lower sleep current and faster wake transitions.
Được đề xuất
LED Lighting and PWM Drivers
The PIC16F1516-I/SP's enhanced mid-range core delivers independent PWM channels suitable for RGB LED color mixing, dimming controls, and buck/boost LED driver feedback loops. With 20 MIPS throughput, the firmware can handle DMX512 or DALI receive parsing while simultaneously driving multiple PWM outputs at >1 kHz without CPU saturation. The 10-bit ADC monitors LED current via a sense resistor for closed-loop constant-current regulation. Compared to dedicated LED driver ICs, the PIC16F1516 adds protocol flexibility (DMX, DALI, 0-10 V) at modest cost.
Được đề xuất
Industrial Sensor Conditioning
The PIC16F1516-I/SP is well matched to industrial 4-20 mA loop transmitters, RTD conditioning, and bridge sensor readouts. Its 10-bit ADC with 17 input channels scans multiple analog signals in sequence; integrated EUSART outputs the digitized measurement over RS-485. The 1.8-5.5 V supply tolerates 24 V loop power after a simple linear regulator drop. Compared to discrete op-amp + ADC designs, integrating the MCU cuts board area by 50% and provides digital calibration via firmware - critical for factory-trimmed sensor accuracy.
Được đề xuất
Educational and Hobbyist Platforms
The PIC16F1516-I/SP is a popular teaching platform because it combines a manageable pin count (28-SPDIP fits a breadboard), 14 KB Flash for non-trivial student projects, and the free MPLAB X IDE + XC8 toolchain. Programming is straightforward via ICSP using a PICkit 3, PICkit 4, or MPLAB Snap debugger. The through-hole SPDIP package tolerates repeated insertion in solderless breadboards, unlike fine-pitch QFN variants. Compared to Arduino Uno (ATmega328P), the PIC16F1516 has a steeper learning curve but offers finer control of clocking, peripherals, and power modes for embedded systems courses.
Được đề xuất
Automotive Accessory Modules
Non-safety automotive accessories - interior lighting, seat controllers, mirror adjusters, accessory chargers - are typical applications for the PIC16F1516-E/SP (extended -40 to +125 C) variant. The MCU handles CAN-LIN gateway functions via EUSART, PWM-driven motor control, and ADC-based current monitoring. While the standard PIC16F1516-I/SP (industrial temp) is suitable for cabin environments, the E-suffix is required for under-hood or sun-exposed locations. Compared to AEC-Q100 qualified parts, the PIC16F1516 is a cost-optimized choice for non-safety accessories.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1516-I/SP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F1516-I/SO | PIC16F1516-E/SP | PIC16F1516-I/ML | PIC16F1518-I/SP |
|---|---|---|---|---|---|
| Package | 28-pin SPDIP (SP) | 28-pin SOIC (SO) | 28-pin SPDIP (SP) | 28-pin QFN (ML) | 28-pin SPDIP (SP) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 28 KB |
| Data SRAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 1024 bytes |
| Maximum Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| ADC Channels | 17 x 10-bit | 17 x 10-bit | 17 x 10-bit | 17 x 10-bit | 17 x 10-bit |
| Mounting Type | Through-Hole (DIP) | Surface Mount | Through-Hole (DIP) | Surface Mount | Through-Hole (DIP) |
| Unit Price (qty 100) | ~$1.84 | ~$1.84 | ~$2.10 | ~$1.90 | ~$2.25 |
Bảo phân biệt quan trọng
- Larger memory than PIC16F1513-I/SS while sharing same peripheral set (vsPIC16F1513-I/SS)
- Lower cost and lower memory than PIC16F1518-I/SP when headroom is sufficient (vsPIC16F1518-I/SP)
- Industrial temp variant vs extended temp (vsPIC16F1516-E/SP)
Ghi chú thiết kế
Estimated: Power-supply decoupling for PIC16F1516-I/SP should include a 100 nF ceramic capacitor within 5 mm of each VDD pin (pins 10 and 20) and a single 10 uF bulk capacitor at the board entry. The MCU has two VDD pins that must both be connected; floating either pin causes erratic operation under ADC sampling. For ADC accuracy, add a 100 nF + 10 uF decoupling pair on AVSS/VDD if used as analog reference. Avoid routing digital signals directly under the VDD traces to minimize switching-noise injection.
The 28-SPDIP package has a 2.54 mm pin pitch and through-hole leads, suitable for hand-soldered prototypes and breadboard use. For production, transition to PIC16F1516-I/SO (SOIC) or PIC16F1516-I/ML (QFN) variants to reduce board area by 60-70%. Reserve a 6-pin header footprint for ICSP connections (RA0/ICSPDAT, RA1/ICSPCLK, MCLR, VDD, VSS) to enable in-circuit programming and debugging without removing the MCU from the board. Source: Microchip datasheet DS40001452F, programming specifications section.
Common pitfalls with PIC16F1516-I/SP: (1) Configuration bits must be set explicitly (no default on blank parts) - include __config directives in your XC8 source or set via MPLAB X. (2) MCLR pin (pin 4) requires a 10 kohm pull-up to VDD; floating MCLR causes intermittent resets. (3) ADC inputs share pins with digital I/O - configure the relevant TRIS and ANSEL bits before sampling. (4) The 16 MHz internal oscillator has a +/- 2% accuracy over temperature; use the HFINTOSC for UART only if baud error tolerance is acceptable, otherwise select an external crystal.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Lead-free (Pb-free) matte-tin finish. The PIC16F1516-I/SP is NOT AEC-Q100 qualified; for AEC-Q100 automotive applications, consider PIC16F153-series automotive-grade MCUs instead. Conflict-minerals declaration per Microchip policy.
