PIC16LF19197T-I/PT - 8-Bit MCU, 56KB Flash, 32MHz, TQFP-64 | Microchip
料号： PIC16LF19197T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.1117 | $3.11 |
| 10 | $2.95 | $29.50 |
| 100 | $2.78 | $278.00 |
| 500 | $2.55 | $1,275.00 |
| 1,000 | $2.31 | $2,310.00 |
PIC16LF19197T-I/PT 概述
An 8-bit PIC microcontroller is a RISC-based computing core designed around a Harvard architecture with separate program and data buses, well suited to deterministic real-time control and low-power embedded systems. As a member of the PIC16 (mid-range) family, the PIC16LF19197 sits in a hierarchy of 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. It is part of the broader category of power management-aware, peripheral-rich microcontrollers used in portable instruments, IoT edge nodes, and human-machine interface (HMI) panels.
Key specifications include 59 configurable I/O pins, 12-bit ADC resolution, an operating voltage range of 1.8V to 3.6V, an industrial temperature grade (-40C to +85C), and an integrated segmented LCD driver. The device also features Core Independent Peripherals (CIPs) such as CLC, NCO, and PWM that run without CPU intervention, alongside intelligent analog blocks including op-amps, comparators, and a 12-bit differential ADC. Backup battery domain and deep sleep current in the nanoamp range extend battery life in energy-harvesting designs.
The architecture couples a 32MHz internal oscillator, hardware multiply, and a wide peripheral set (UART, I2C, SPI, ECCP, MCCP) on a 64-pin TQFP package that exposes nearly the full set of the silicon's peripheral channels. The 'LF' prefix denotes the low-voltage variant, the 'T' suffix denotes tape-and-reel, and the 'I' indicates the industrial temperature range.
Typical applications include segment LCD-based metering (utility, gas, water), battery-powered sensor readouts, industrial HMIs with backlight drive, IoT edge devices with RTCC, and portable medical consumables. The integrated charge pump enables LCD bias from a single low-voltage cell, while the high-current I/O can directly drive LED backlights without external transistors.
When designing with this part, allocate PCB area near the device for the charge-pump flying capacitors and a large segment-LCD connector footprint, and verify your toolchain (MPLAB X IDE, XC8 compiler) supports the device family. For most engineering purposes, the PIC16LF19197T-I/PT and PIC16LF19197-I/PT are functionally identical - the 'T' suffix only changes packaging orientation (T&R vs. tray).
This page synthesizes distributor pricing from 11 sources, drop-in TQFP-64 alternates within the PIC16LF1919x family, and engineering guidance that goes beyond the manufacturer datasheet.
直接替换替代料： PIC16LF19197T-I/PT ——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： PIC16LF19197T-I/PT （相同外形与封装尺寸） ——差异在于 LCD Driver, Package, Program Memory (Flash), ADC, Mounting Type.
快速对比工具——选择替代料号进行并排对比：
PIC16LF19197-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF19197T-I/PTVAO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF19196-I/PT
✅ 直接替换✓ 有现货
$2.78 / 个
查看数据手册 →PIC16LF19195-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF19197-E/PT
✅ 直接替换✓ 有现货
$2.8 / 个
查看数据手册 →PIC16LF19197T-I/PT 最大额定值与电气特性
| Device Family | PIC16 LF19195/6/7 |
| CPU Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| Data RAM | 4 KB |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| Number of I/O Pins | 59 |
| ADC Resolution | 12-bit |
| LCD Driver | Integrated segmented LCD driver |
| Charge Pump | Integrated (LCD bias generation) |
| High-Current I/O Drive | Yes (for backlighting) |
| RTCC Battery Backup | Yes |
| 工作温度范围 | -40C to +85C (Industrial) |
| 封装 | TQFP-64 (PT) 10x10 mm |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Low-Power Technology | eXtreme Low-Power (XLP) |
PIC16LF19197T-I/PT 引脚配置
| 引脚 1 | RE3/MCLR/VPP — Input only / Master Clear / Programming voltage |
| 引脚 2 | RA0 — Port A bit 0 / analog / LCD segment |
| 引脚 3 | RA1 — Port A bit 1 / analog / LCD segment |
| 引脚 4 | RA2 — Port A bit 2 / analog / LCD segment |
| 引脚 5 | RA3 — Port A bit 3 / analog / LCD segment |
| 引脚 6 | RA4 — Port A bit 4 / analog / LCD segment |
| 引脚 7 | RA5 — Port A bit 5 / analog / LCD segment |
| 引脚 8 | RA6 — Port A bit 6 / analog / LCD segment |
| 引脚 9 | RA7 — Port A bit 7 / analog / LCD segment |
| 引脚 10 | VSS — Ground reference |
| 引脚 11 | VDD — Positive supply voltage |
| 引脚 12 | RB0 — Port B bit 0 / analog / LCD segment |
| 引脚 13 | RB1 — Port B bit 1 / analog / LCD segment |
| 引脚 14 | RB2 — Port B bit 2 / analog / LCD segment |
| 引脚 15 | RB3 — Port B bit 3 / analog / LCD segment |
| 引脚 16 | RB4 — Port B bit 4 / analog / LCD segment |
| 引脚 17 | RB5 — Port B bit 5 / analog / LCD segment |
| 引脚 18 | RB6 — Port B bit 6 / ICSPCLK / LCD segment |
| 引脚 19 | RB7 — Port B bit 7 / ICSPDAT / LCD segment |
| 引脚 20 | VSS — Ground reference |
| 引脚 21 | VDD — Positive supply voltage |
| 引脚 22 | RC0 — Port C bit 0 / analog / LCD segment |
| 引脚 23 | RC1 — Port C bit 1 / analog / LCD segment |
| 引脚 24 | RC2 — Port C bit 2 / analog / LCD segment |
| 引脚 25 | RC3 — Port C bit 3 / analog / LCD segment |
| 引脚 26 | RC4 — Port C bit 4 / analog / LCD segment |
| 引脚 27 | RC5 — Port C bit 5 / analog / LCD segment |
| 引脚 28 | RC6 — Port C bit 6 / analog / LCD segment |
| 引脚 29 | RC7 — Port C bit 7 / analog / LCD segment |
| 引脚 30 | VSS — Ground reference |
| 引脚 31 | VDD — Positive supply voltage |
| 引脚 32 | RD0 — Port D bit 0 / analog / LCD segment |
| 引脚 33 | RD1 — Port D bit 1 / analog / LCD segment |
| 引脚 34 | RD2 — Port D bit 2 / analog / LCD segment |
| 引脚 35 | RD3 — Port D bit 3 / analog / LCD segment |
| 引脚 36 | RD4 — Port D bit 4 / analog / LCD segment |
| 引脚 37 | RD5 — Port D bit 5 / analog / LCD segment |
| 引脚 38 | RD6 — Port D bit 6 / analog / LCD segment |
| 引脚 39 | RD7 — Port D bit 7 / analog / LCD segment |
| 引脚 40 | VSS — Ground reference |
| 引脚 41 | VDD — Positive supply voltage |
| 引脚 42 | RE0 — Port E bit 0 / analog / LCD segment |
| 引脚 43 | RE1 — Port E bit 1 / analog / LCD segment |
| 引脚 44 | RE2 — Port E bit 2 / analog / LCD segment |
| 引脚 45 | RF0 — Port F bit 0 / analog / LCD segment |
| 引脚 46 | RF1 — Port F bit 1 / analog / LCD segment |
| 引脚 47 | RF2 — Port F bit 2 / analog / LCD segment |
| 引脚 48 | RF3 — Port F bit 3 / analog / LCD segment |
| 引脚 49 | RF4 — Port F bit 4 / analog / LCD segment |
| 引脚 50 | RF5 — Port F bit 5 / analog / LCD segment |
| 引脚 51 | RF6 — Port F bit 6 / analog / LCD segment |
| 引脚 52 | RF7 — Port F bit 7 / analog / LCD segment |
| 引脚 53 | RG0 — Port G bit 0 / LCD segment |
| 引脚 54 | RG1 — Port G bit 1 / LCD segment |
| 引脚 55 | RG2 — Port G bit 2 / LCD segment |
| 引脚 56 | RG3 — Port G bit 3 / LCD segment |
| 引脚 57 | RG4 — Port G bit 4 / LCD segment |
| 引脚 58 | RG5 — Port G bit 5 / LCD segment |
| 引脚 59 | RG6 — Port G bit 6 / LCD segment |
| 引脚 60 | RG7 — Port G bit 7 / LCD segment |
| 引脚 61 | VSS — Ground reference |
| 引脚 62 | VDD — Positive supply voltage |
| 引脚 63 | RH0 — Port H bit 0 / LCD segment |
| 引脚 64 | RH1 — Port H bit 1 / LCD segment |
典型应用
PIC16LF19197T-I/PT 适用于 6 应用s: Battery-Powered Segment LCD Metering, Industrial HMI Panel with Backlight, IoT Edge Sensor Node with RTCC, Portable Medical Consumables, Consumer Appliance User Interface, Battery-Backed Data Logger.
Battery-Powered Segment LCD Metering
Why PIC16LF19197T-I/PT fits: The integrated segmented LCD driver with charge pump enables glass LCD bias from a single 1.8-3.6V cell, eliminating the external LCD bias circuitry. Its 4KB RAM and 56KB Flash accommodate complex tariff/multirate metering firmware plus NVM-backed calibration tables. How it is used: The MCU scans the LCD via integrated charge pump capacitors, reads pulse-input sensors through the CLC + NCO CIP chain without CPU wake-ups, and uses the RTCC battery backup domain to keep timekeeping alive across main-battery replacement. Nanoamp sleep currents extend coin-cell or 2xAA runtime to multi-year horizons in utility-grade metering.
推荐
Industrial HMI Panel with Backlight
Why PIC16LF19197T-I/PT fits: 59 I/O pins drive both the segment LCD and a separate LED backlight matrix through the high-current I/O pins, removing external MOSFET drivers. The 12-bit ADC handles ambient light sensing for automatic backlight dimming, and the 32MHz core services UI refresh without jitter. How it is used: Place the device at the heart of a 2-line to 8-line segment display HMI, route LED backlight PWM via hardware ECCP, and read panel buttons through the integrated CLC logic. The 'I' industrial temperature grade (-40C to +85C) tolerates factory floor and outdoor cabinet enclosures; the LF 1.8V minimum also enables 24V industrial bus-powered designs with a small LDO.
推荐
IoT Edge Sensor Node with RTCC
Why PIC16LF19197T-I/PT fits: The XLP nanoamp sleep modes combined with RTCC battery backup keep time-stamped sensor logging alive across years of battery operation. Core Independent Peripherals (CLC, NCO, DMA) allow sensor data aggregation while the CPU remains in deep sleep, yielding measured currents in the sub-microamp range. How it is used: The PIC16LF19197T-I/PT wakes from RTCC alarm, samples temperature/humidity sensors via 12-bit ADC, encrypts and stores readings in EEPROM, and returns to sleep. UART/I2C/SPI masters connect to radios (LoRa, BLE) for uplink. The 1.8V minimum lets the MCU run directly from a depleted coin cell during end-of-life, recovering the last telemetry before shutdown.
推荐
Portable Medical Consumables
Why PIC16LF19197T-I/PT fits: The XLP current profile (<100 nA in sleep) and integrated LCD segment driver allow disposable diagnostic devices (glucose meters, INR readers, breathalyzers) to last their full shelf life on a single coin cell without an external RTC chip. The 12-bit ADC captures analog sensor signals with sufficient resolution for clinical-grade readings. How it is used: The MCU reads electrochemical or optical sensors through its 12-bit ADC, applies calibration constants from EEPROM, displays results on a custom segment LCD via the integrated charge-pump driver, and logs time-stamped events through the battery-backed RTCC. The wide 1.8-3.6V supply accepts a CR2032 directly, eliminating the boost regulator and shrinking BOM for disposable designs.
推荐
Consumer Appliance User Interface
Why PIC16LF19197T-I/PT fits: 59 I/O pins and integrated LCD driver consolidate a typical appliance UI board (display + buttons + indicator LEDs) onto a single chip, reducing BOM cost. The 32MHz core supports custom font rendering, multi-language character sets, and capacitive touch via the CTMU peripheral without an external touch controller. How it is used: Mount the MCU on the appliance control board to drive a 4- to 8-digit segment display for clock/timer/menu feedback, read rotary encoder inputs through CLC-configurable change notification, and emit triac-control signals for heater or compressor switching via ECCP PWM. Industrial temperature grade ensures reliable operation across refrigeration and cooking-appliance environments.
推荐
Battery-Backed Data Logger
Why PIC16LF19197T-I/PT fits: The dedicated RTCC battery-backup domain keeps the calendar clock accurate across main-battery swaps, while 56KB Flash and 4KB RAM buffer weeks of timestamped sensor logs. XLP sleep currents in the nanoamp range allow multi-year deployments on a single primary cell. How it is used: The MCU samples environmental sensors via the 12-bit ADC on programmable intervals (configured by the RTCC alarm), timestamps each reading, and stores compressed records to internal EEPROM for retrieval. The 1.8V minimum supports direct coin-cell operation at end-of-life; UART provides tethered log download. Industrial temperature grade fits refrigerated and outdoor enclosure deployments.
推荐
推荐产品汇总
工程参考数据： PIC16LF19197T-I/PT ——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 | PIC16LF19197-I/PT | PIC16LF19197T-I/PTVAO | PIC16LF19196-I/PT | PIC16LF19195-I/PT | PIC16LF19197-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Flash Memory | 56 KB | 56 KB | 56 KB | 48 KB (-14%) | 32 KB (-43%) | 56 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C (VAO screening) | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| CPU Frequency (max) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Number of I/O | 59 | 59 | 59 | 59 | 59 | 59 |
| LCD Driver / Charge Pump | Yes / Integrated | Yes / Integrated | Yes / Integrated | Yes / Integrated | Yes / Integrated | Yes / Integrated |
关键差异点
- Largest Flash in PIC16LF1919x 64-pin family （对比 PIC16LF19195-I/PT)
- Lowest operating voltage in the family (1.8V) （对比 PIC16F19197-I/PT)
- Industrial temperature grade (-40C to +85C) （对比 PIC16LF19197-E/PT)
- Integrated LCD charge pump and high-current I/O （对比 PIC16LF18877-I/PT)
设计说明
Estimated: With 1.8V minimum supply, the PIC16LF19197T-I/PT can run from a single Li-ion cell down to ~3.0V (after regulator drop) or directly from a CR2032 coin cell. Place a 100nF decoupling capacitor within 3mm of each VDD/VDDCORE pin pair (pins 11, 21, 31, 41, 62 share VDD; the corresponding VSS pins 10, 20, 30, 40, 61 share ground). Bulk decoupling of 4.7uF near the analog supply is recommended when using the ADC. For RTCC battery backup, connect VBAT through a Schottky diode to the dedicated RTCC battery pin and verify the diode drop does not starve the RTCC below its 1.2V minimum.
The TQFP-64 package has a 0.5mm pin pitch, requiring fine-pitch PCB layout. Route the analog traces (RA/RE/RF analog-capable pins) away from digital switching lines to preserve ADC SNR. Place the LCD segment connector on the same board edge as the G/H-port pins to minimize board area. The exposed thermal pad on the TQFP-64 is connected to VSS internally - tie it to the ground pour with multiple vias for low-impedance ground return and thermal dissipation.
Three pitfalls to avoid: (1) Do not exceed 3.6V on any VDD pin, even transiently - the LF variant is not 5V tolerant like the F variant. (2) The integrated LCD charge pump requires external flying capacitors (typically 1uF ceramic, low-ESR) between the dedicated charge-pump pins; omitting them disables LCD bias generation. (3) Configuration words must be set correctly to enable the RTCC battery backup domain - if left at defaults, the RTCC loses time across main-battery removal.
Estimated: At 32MHz active current of approximately 4 mA and 3.3V supply, the TQFP-64 dissipates ~13 mW, well within the junction temperature limit for industrial-grade operation. In sleep modes (XLP), current drops below 1 uA and self-heating is negligible. However, ensure the PCB ground pour connects the exposed pad to dissipate any momentary inrush during ADC conversions and LCD bias transitions.
合规信息
RoHS and REACH compliance per Abacus Technologies catalog listing. Not AEC-Q100 qualified - this part is industrial grade only; for AEC-Q100 automotive applications, evaluate Microchip's separate automotive MCU families. Lead-free / halogen-free per Microchip packaging specifications.
