PIC16F1512T-I/MV - 8-bit PIC MCU, 3.5KB Flash, 28-Pin UQFN | Microchip
MPN： PIC16F1512T-I/MV ✓ 啟用中PIC16F1512T-I/MV 概覽
An 8-bit PIC microcontroller is a compact, RISC-architecture embedded controller based on Harvard memory structure, widely used for low-cost, low-power control tasks. Within the broader taxonomy, it sits as an 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The PIC16F family specifically targets battery-powered and consumer/industrial applications where simple digital I/O, analog sensing, and minimal active-mode current draw are more important than raw compute throughput.
Key features include 3.5KB self-programmable Flash with 100K erase/write cycles endurance, 256 bytes of EEPROM with 1M erase/write cycles, hardware 8-bit and 16-bit timers, two PWM modules, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and an I2C/SPI peripheral. The XLP nanoWatt technology suite includes Idle, Sleep, and Deep Sleep modes with wake-on-interrupt capability, allowing battery life to extend into multi-year range on a single coin cell for sensor and metering applications.
Architecturally, the device employs a 14-bit instruction word with single-cycle execution on most instructions and a 16-level deep hardware stack, simplifying interrupt-driven firmware design. The 10-bit ADC with up to 17 input channels supports automatic channel scanning and internal fixed-voltage reference, removing the need for an external reference IC in many sensor-conditioning designs.
Typical applications include low-power IoT sensor nodes, consumer remote controls, white goods and small appliance control boards, battery-powered metering (water/gas/heat), HVAC thermostatic controls, and general-purpose logic replacement. The exposed-pad UQFN-28 package reduces package footprint while improving thermal performance for thermally constrained industrial enclosures.
When designing with this part, allocate a 0.1uF decoupling capacitor within 5 mm of VDD and a bulk capacitor on AVDD if the ADC is active. Configure unused I/O pins as outputs with low level to minimize sleep current. Use the MPLAB X IDE with the XC8 compiler for code development, and the MPLAB Snap or PICkit 4 for in-circuit debugging via the ICSP pins.
This page synthesizes distributor pricing, drop-in same-package alternatives (PIC16F1512-I/MV, PIC16F1512-E/MV), and practical XLP design notes not collected on the manufacturer datasheet cover.
直接替換替代品，適用於 PIC16F1512T-I/MV — 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： PIC16F1512T-I/MV （相同外形與佔位） — 差異在於 I/O Pins, Package, Timers, ADC, RoHS Status.
PIC16F1512-I/MV
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1512-E/MV
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F1513-I/MV
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16F1516-I/MV
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16F1519-I/MV
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16F1527-I/MV
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16F1512T-I/MV 最大額定值與電氣特性
| CPU Core | 8-bit PIC16 RISC |
| Program Memory (Flash) | 3.5 KB |
| Data RAM | 128 bytes |
| Data EEPROM | 256 bytes |
| 最大時脈頻率 | 20 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| 工作溫度範圍 | -40 C to +85 C (Industrial) |
| I/O Pins | 25 |
| ADC Channels | 17 x 10-bit |
| PWM Channels | 2 |
| Timers | 8-bit and 16-bit |
| Communication Peripherals | EUSART, I2C, SPI |
| Low-Power Technology | XLP nanoWatt (sleep <50 nA typ) |
| 封裝 | UQFN-28 (MV) with exposed pad |
| 安裝類型 | Surface Mount |
| Programming Interface | ICSP via MPLAB Snap / PICkit 4 |
| RoHS 狀態 | Compliant |
| MSL 等級 | 1 |
PIC16F1512T-I/MV 腳位配置
| 腳位 1 | RA0/ICSPDAT — Bidirectional I/O / ICSP data |
| 腳位 2 | RA1 — Bidirectional I/O |
| 腳位 3 | RA2 — Bidirectional I/O |
| 腳位 4 | RA3 — Bidirectional I/O |
| 腳位 5 | RA4 — Bidirectional I/O |
| 腳位 6 | RA5 — Bidirectional I/O |
| 腳位 7 | RA6 — Bidirectional I/O |
| 腳位 8 | RA7 — Bidirectional I/O |
| 腳位 9 | VSS — Ground reference |
| 腳位 10 | RA0 — Bidirectional I/O (alt function) |
| 腳位 11 | RC0 — Bidirectional I/O |
| 腳位 12 | RC1 — Bidirectional I/O |
| 腳位 13 | RC2 — Bidirectional I/O |
| 腳位 14 | RC3 — Bidirectional I/O |
| 腳位 15 | RC4 — Bidirectional I/O |
| 腳位 16 | RC5 — Bidirectional I/O |
| 腳位 17 | RC6 — Bidirectional I/O |
| 腳位 18 | RC7 — Bidirectional I/O |
| 腳位 19 | VSS — Ground reference |
| 腳位 20 | RB4 — Bidirectional I/O |
| 腳位 21 | RB5 — Bidirectional I/O |
| 腳位 22 | RB6 — Bidirectional I/O |
| 腳位 23 | RB7/ICSPCLK — Bidirectional I/O / ICSP clock |
| 腳位 24 | AVDD — Analog supply for ADC |
| 腳位 25 | AVSS — Analog ground for ADC |
| 腳位 26 | VDD — Digital supply |
| 腳位 27 | RB0 — Bidirectional I/O |
| 腳位 28 | RB1 — Bidirectional I/O |
典型應用
PIC16F1512T-I/MV 適用於 6 應用s: Battery-Powered IoT Sensor Node, Consumer Remote Control, White Goods and Small Appliance Control, Battery-Powered Metering (Water/Gas/Heat), HVAC Thermostatic Control, General-Purpose Logic Replacement.
Battery-Powered IoT Sensor Node
The PIC16F1512T-I/MV's XLP nanoWatt Sleep current below 50 nA typical and 1.8V minimum VDD make it a strong fit for battery-powered IoT sensor nodes that sleep most of the time and wake periodically to sample and transmit. Its 17 channels of 10-bit ADC can directly interface thermistors, photocells, and voltage dividers without external signal conditioning, while the EUSART can drive a low-power sub-GHz transceiver. With a 3.5 KB Flash budget, it accommodates small state-machine firmware plus a periodic sensor-read routine. The UQFN-28 (MV) package's exposed pad also supports coin-cell mechanical mounting.
推薦
Consumer Remote Control
For handheld IR/RF remote controls, the PIC16F1512T-I/MV delivers the small Flash (3.5 KB) and RAM (128 B) footprint needed for button-debounce state machines and IR protocol encoding while drawing less than 1uA in Sleep, extending AAA battery life to multiple years. Its 25 I/O pins easily accommodate 4x5 or 5x5 key matrices plus an IR LED PWM output and status LED. The EUSART can also serve as a software-driven RC5/SIRC/Pronto transmitter. The 20 MHz instruction clock is more than adequate for tight IR carrier timing (38-56 kHz).
推薦
White Goods and Small Appliance Control
In washing machines, dishwashers, coffee makers, and microwave ovens, the PIC16F1512T-I/MV's 25 I/O drives user keypads, LED indicators, relay drivers, and triac interfaces while the 17 ADC channels monitor temperature sensors (NTC), water level, and motor current. Its 1.8V-5.5V supply range accepts either 3.3V or 5V rails, and the industrial -40C to +85C temperature range handles appliance environments. The PWM modules drive brushless DC or universal motors via gate drivers. The 5.5V tolerance also makes it tolerant of supply transients during relay switching.
推薦
Battery-Powered Metering (Water/Gas/Heat)
Metering applications benefit from the PIC16F1512T-I/MV's nanoWatt Sleep current and 10-bit ADC with up to 17 channels, supporting flow-sensor pulse counting, temperature-differential sensing, and tamper detection with multi-year battery life. The 256-byte EEPROM stores calibration constants and cumulative usage counters across 1M write cycles. The 128-byte RAM and 3.5 KB Flash easily fit a typical metering algorithm and Tamper/Wake logic. The UQFN-28 package fits inside cylindrical meter enclosures.
推薦
HVAC Thermostatic Control
Smart thermostats and HVAC damper actuators use the PIC16F1512T-I/MV to drive triacs for heating/cooling loads while sampling NTC temperature sensors through the 10-bit ADC. The two PWM modules handle variable-speed blower motors or proportional damper actuators, and the EUSART/I2C/SPI peripherals support a downstream Wi-Fi/BLE module for cloud connectivity. The 25 I/O accommodates a TFT or segment LCD, keypad, and multiple relay outputs. Wide supply tolerance (1.8V-5.5V) is forgiving of 24 VAC-derived DC rails.
推薦
General-Purpose Logic Replacement
When replacing discrete 74HC logic with an MCU for BOM consolidation, the PIC16F1512T-I/MV offers 25 I/O pins, 2 PWMs, and a 20 MHz clock in a single chip, plus timing/sequencing features that pure logic cannot deliver. With 3.5 KB Flash, the device can implement finite state machines, glue logic, and timing functions in one part. XLP Sleep below 50 nA makes it competitive with CMOS logic quiescent current. The exposed-pad UQFN-28 package is footprint-compatible with many small logic footprints.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F1512T-I/MV — 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 | PIC16F1512-I/MV | PIC16F1512-E/MV | PIC16F1513-I/MV | PIC16F1516-I/MV | PIC16F1519-I/MV | PIC16F1527-I/MV |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-28 (MV) | UQFN-28 (MV) - same | UQFN-28 (MV) - same | UQFN-28 (MV) - same | UQFN-28 (MV) - same | UQFN-28 (MV) - same | UQFN-28 (MV) - same |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB (+100%) | 14 KB (+300%) | 28 KB (+700%) | 14 KB (+300%) |
| Data RAM | 128 B | 128 B | 128 B | 256 B (+100%) | 512 B (+300%) | 1024 B (+700%) | 512 B (+300%) |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating 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 | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
主要差異化特點
- Lowest-cost variant in the PIC16F151x UQFN-28 family (對比PIC16F1516-I/MV)
- Highest ADC channel count in UQFN-28 PIC16F1x class (對比PIC16F1509-I/P)
- Tape-and-reel packaging for SMT production (對比PIC16F1512-I/MV)
設計說明
Decouple VDD and AVDD separately. Place a 0.1uF X7R ceramic capacitor within 5 mm of VDD and a second 0.1uF within 5 mm of AVDD. Add a 10uF bulk capacitor on the main supply rail to handle Sleep-to-Active current transients. For ADC accuracy, AVDD should be tied to VDD through a small ferrite bead to isolate digital switching noise from the analog supply.
The UQFN-28 (MV) package exposes its die-attach paddle on the underside. This paddle MUST be soldered to the PCB to provide both mechanical reliability and thermal dissipation. Use an array of thermal vias in the pad to conduct heat to the opposite copper plane or inner layer. Estimated: at 5.5V VDD, 20 MHz active, the part dissipates approximately 25 mW, well within the package's thermal envelope without active cooling.
Route the ICSP pins (RA0/ICSPDAT and RB7/ICSPCLK) directly to a 2x3 or 1x6 header with no series resistors or capacitors; the MPLAB Snap and PICkit 4 programmer integrate the necessary pull-ups. Place the ICSP header at the board edge for easy programming access. Add test points for VDD, GND, and RA0/RB7 to simplify bench debugging.
Configure all unused I/O pins as outputs driving low (or as inputs with the internal weak pull-up enabled) to minimize Sleep current leakage. Do not exceed 5.5V on any I/O pin - the device is not 5V-tolerant on analog inputs above AVDD. After programming, lock the configuration bits (CONFIG register) if you do not want accidental in-circuit reprogramming or if your code uses the same pin for ICSP and another function.
合規資訊
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; choose automotive-graded part (e.g., PIC16F1512-E/MVVAO) for vehicular applications. XLP nanoWatt Sleep current below 50 nA typical enables battery-only designs.
