PIC16F1512-I/SP - 8-bit MCU, 3.5KB Flash, 28-Pin DIP | Microchip
料号： PIC16F1512-I/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.95 | $1.95 |
| 10 | $1.74 | $17.40 |
| 100 | $1.42 | $142.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16F1512-I/SP 概述
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, program memory, and peripherals on one die; PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, allowing one instruction to be fetched per clock cycle. Within the broader taxonomy, the PIC16F1512 belongs to: 8-bit MCU -> Microchip PIC16 family -> enhanced mid-range core -> flash-based MCU -> general-purpose embedded controller. It is one of the lowest-memory members of the PIC16F151x family, which scales up to the PIC16F1519 with 14KB Flash.
Key features include 17 I/O pins, one 10-bit ADC with up to 17 channels, 2 comparators, 2 Enhanced Universal Synchronous/Asynchronous Receiver/Transmitters (EUSART) with LIN support, and 2 capture/compare/PWM (CCP) modules. The part runs from 1.8V to 5.5V VDD and consumes as little as 20 nA in sleep mode with the watchdog disabled, making it suitable for battery-powered designs. On-chip debug is supported through the MPLAB Snap or PICkit programmers via the ICSP interface.
Typical applications include consumer appliances, small sensor nodes, remote controls, low-end LED lighting controllers, battery chargers, and educational/hobbyist projects. The 28-pin DIP package allows easy breadboard prototyping and hand-soldering, making it popular in teaching labs and through-hole production runs. When designing with this part, allocate one of the ADC channels to a clean analog reference for accurate conversions, and keep the oscillator layout short to avoid noise pickup. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： PIC16F1512-I/SP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16F1512-I/SP （相同外形与封装尺寸） ——差异在于 Package, ADC, Mounting Type, Program Memory (Flash), Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC16F1513-I/SP
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1509-I/P
✅ 直接替换✓ 有现货
$1.43 / 个
查看数据手册 →PIC16F1508-I/P
✅ 直接替换✓ 有现货
$1.04 / 个
查看数据手册 →PIC16F1512-I/SP 最大额定值与电气特性
| Core | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data RAM | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Execution | 200 ns per instruction |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 17 |
| ADC | 10-bit, up to 17 channels |
| Comparators | 2 |
| EUSART | 2 (with LIN support) |
| CCP/ECCP Modules | 2 CCP |
| 封装 | 28-pin SPDIP (Skinny Plastic DIP, 0.300 in / 7.62 mm row spacing) |
| 安装类型 | Through-hole |
| Operating Temperature (Industrial) | -40 C to +85 C |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Programming/Debug Interface | ICSP (In-Circuit Serial Programming), 2-wire |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC16F1512-I/SP 引脚配置
| 引脚 1 | RA3/AN3/Vref+ — PORTA bit 3 / ADC channel 3 / positive voltage reference |
| 引脚 2 | RA4/AN4/T0CKI — PORTA bit 4 / ADC channel 4 / Timer0 clock input |
| 引脚 3 | RA5/MCLR/VPP — PORTA bit 5 / Master Clear (reset) / programming voltage |
| 引脚 4 | RA6/OSC2/CLKOUT — PORTA bit 6 / crystal oscillator output / clock out |
| 引脚 5 | RA7/OSC1/CLKIN — PORTA bit 7 / crystal oscillator input / external clock in |
| 引脚 6 | RC0 — PORTC bit 0 |
| 引脚 7 | RC1 — PORTC bit 1 |
| 引脚 8 | RC2 — PORTC bit 2 |
| 引脚 9 | RC3 — PORTC bit 3 |
| 引脚 10 | RC4 — PORTC bit 4 |
| 引脚 11 | RC5 — PORTC bit 5 |
| 引脚 12 | RC6/TX/CK — PORTC bit 6 / EUSART TX / clock line |
| 引脚 13 | RC7/RX/DT — PORTC bit 7 / EUSART RX / data line |
| 引脚 14 | RB0/AN12/INT — PORTB bit 0 / ADC channel 12 / external interrupt |
| 引脚 15 | RB1/AN10 — PORTB bit 1 / ADC channel 10 |
| 引脚 16 | RB2/AN8 — PORTB bit 2 / ADC channel 8 |
| 引脚 17 | RB3/AN9 — PORTB bit 3 / ADC channel 9 |
| 引脚 18 | RB4/AN11 — PORTB bit 4 / ADC channel 11 |
| 引脚 19 | RB5/AN13 — PORTB bit 5 / ADC channel 13 |
| 引脚 20 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| 引脚 21 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
| 引脚 22 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| 引脚 23 | VSS — Ground reference |
| 引脚 24 | RA0/AN0 — PORTA bit 0 / ADC channel 0 |
| 引脚 25 | RA1/AN1 — PORTA bit 1 / ADC channel 1 |
| 引脚 26 | RA2/AN2/Vref- — PORTA bit 2 / ADC channel 2 / negative voltage reference |
| 引脚 27 | NC — Not connected (no internal bond) |
| 引脚 28 | NC — Not connected (no internal bond) |
典型应用
PIC16F1512-I/SP 适用于 6 应用s: Consumer Appliance Control, Battery-Powered Sensor Node, Remote Control / IR Transmitter, LED Lighting Controller, Educational / Hobbyist Projects, Industrial Control Module.
Consumer Appliance Control
The PIC16F1512-I/SP fits consumer appliance control boards - coffee makers, toaster ovens, rice cookers, and small kitchen devices - because its 28-pin SPDIP package is easy to hand-solder during small-batch production and field repair. The 17 I/O pins directly drive relay coils, triac gates, and 7-segment LED displays without external mux logic. With 1.8-5.5 V operation, it runs from a single-cell Li-ion or 3.3 V supply, and XLP sleep currents below 1 uA keep standby power below 0.5 W to meet ENERGY STAR standby limits.
推荐
Battery-Powered Sensor Node
For remote wireless sensor nodes powered by coin cells or 2x AA batteries, the PIC16F1512-I/SP delivers the lowest sleep current in its class (down to 20 nA with WDT off) thanks to Microchip's XLP technology. Operating voltage from 1.8 V lets it run directly from a single CR2032 without boost converters, maximizing battery life. The 10-bit ADC with up to 17 channels samples temperature, humidity, or PIR occupancy sensors at 1 ms intervals between deep sleeps, achieving multi-year battery life in duty-cycled IoT telemetry applications.
推荐
Remote Control / IR Transmitter
The PIC16F1512-I/SP's low power, small Flash, and dual EUSART modules make it a strong fit for IR/RF remote controls, garage door openers, and consumer handheld devices. One EUSART handles encrypted rolling-code protocols while the second monitors battery voltage and keypresses through the ADC. The 17 I/O pins drive a 4x4 matrix keypad plus multiple LED indicators and an IR LED modulated via PWM at 38 kHz carrier. 28-pin DIP allows easy through-hole assembly for low-cost plastic enclosures.
推荐
LED Lighting Controller
The PIC16F1512-I/SP drives constant-current LED drivers and dimmer circuits for architectural and accent lighting with 2 CCP/PWM channels for warm-white + cool-white mixing or RGB control. The 10-bit ADC reads ambient light sensors (photodiodes or LDRs) for closed-loop daylight harvesting, achieving >30% energy savings over fixed-output luminaires. The 28-pin SPDIP package is breadboard-friendly for designers prototyping DMX-512 or DALI-controlled fixtures before moving to a smaller QFN in production.
推荐
Educational / Hobbyist Projects
The PIC16F1512-I/SP remains a teaching favorite for university embedded systems courses and Arduino-style hobbyists because the 28-pin DIP package fits standard breadboards and accepts hand-soldering without hot air rework. MPLAB X IDE with free XC8 compiler supports the device with no license fee for hobby use, and PICkit 5 / Snap programmers sell for under $50. The 3.5 KB Flash is large enough for multi-week lab projects covering timers, ADC, UART, PWM, and I2C without outgrowing the part mid-course.
推荐
Industrial Control Module
In industrial control and instrumentation, the PIC16F1512-I/SP is used in signal-conditioning front-ends, isolated sensor interfaces, and small PLC I/O modules that demand reliable operation from -40 C to +85 C. The industrial temperature rating ('I' suffix) and the PIC16 enhanced mid-range core's 49-instruction set support Modbus RTU slave firmware over RS-485 via one of the EUSART modules. The 28-pin SPDIP allows through-hole mounting on legacy industrial backplanes that still prefer DIP components for field-replaceable modules.
推荐
推荐产品汇总
工程参考数据： PIC16F1512-I/SP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16F1513-I/SP | PIC16F1509-I/P | PIC16F1508-I/P | PIC16F1507-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SPDIP (7.62 mm) | 28-pin SPDIP (same) | 28-pin PDIP (same footprint family) | 28-pin PDIP (same footprint family) | 28-pin SOIC (surface-mount, not DIP) |
| Flash Memory | 3.5 KB | 7 KB | 7.75 KB | 7 KB | 1.75 KB |
| RAM | 128 bytes | 256 bytes | 512 bytes | 256 bytes | 64 bytes |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 17 | 17 | 17 | 17 | 17 |
| ADC | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 12 channels |
| EUSART Modules | 2 | 2 | 2 | 2 | 2 |
| Operating Voltage | 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 |
关键差异点
- Smallest Flash in PIC16F151x family while sharing identical peripheral set （对比 PIC16F1513-I/SP)
- Industrial temperature range and XLP ultra-low sleep current （对比 PIC16F1507-I/SO)
- 2 EUSART modules with LIN support vs only 1 in lower PIC families （对比 PIC16F88 (legacy))
设计说明
Estimated: the PIC16F1512-I/SP core draws ~1.5 mA at 5 V/20 MHz and ~20 nA in sleep with WDT off. For battery-powered designs, disable the WDT in the WDTCON register if the firmware polls in software instead, then enter SLEEP mode via the SLEEP instruction. Adding a 0.1 uF decoupling capacitor within 5 mm of VDD (pin 20) plus a 10 uF bulk cap on the same rail keeps supply ripple under 50 mV during ADC conversions.
Keep the ICSP clock (RB6, pin 20) and ICSP data (RB7, pin 21) traces short and away from switching signals to avoid debug failures. If the 28-pin SPDIP is socketed for in-field firmware updates, use a low-profile machine-pin IC socket with gold-plated contacts to ensure reliable ICSP handshakes. Place a 10 kohm pull-up on MCLR (pin 3) and add a 100 nF cap to ground for noise immunity.
Critical: the 28-pin SPDIP part has two NC (no-connect) pins at positions 27 and 28 - do not tie these to VDD, VSS, or signal traces, as they have no internal bond and may cause intermittent behavior if forced. Also, when using the ADC, allow at least 10 us acquisition time by inserting a delay between channel selection and ADC conversion start; sampling too fast degrades effective resolution below 10 bits.
合规信息
RoHS and lead-free confirmed by Microchip product page. Not AEC-Q100 qualified (industrial grade only); for automotive designs use PIC16F1513-E/SP equivalent variants. REACH and conflict minerals compliance per Microchip corporate disclosures.
