PIC16LF19197T-I/PT - 8-Bit MCU, 56KB Flash, 32MHz, TQFP-64 | Microchip
MPN: PIC16LF19197T-I/PT ✓ Hoạt độngPIC16LF19197T-I/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF19197T-I/PT — 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 PIC16LF19197T-I/PT (cùng hình factor và footprint) — khác nhau ở LCD Driver, Package, Program Memory (Flash), ADC, Mounting Type.
PIC16LF19197-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF19197T-I/PTVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF19196-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF19195-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF19197-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF19197T-I/PT Tỷ lệ tối đa & tính chất điện
| 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 |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | TQFP-64 (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Low-Power Technology | eXtreme Low-Power (XLP) |
Cấu hình chân PIC16LF19197T-I/PT
| Chân 1 | RE3/MCLR/VPP — Input only / Master Clear / Programming voltage |
| Chân 2 | RA0 — Port A bit 0 / analog / LCD segment |
| Chân 3 | RA1 — Port A bit 1 / analog / LCD segment |
| Chân 4 | RA2 — Port A bit 2 / analog / LCD segment |
| Chân 5 | RA3 — Port A bit 3 / analog / LCD segment |
| Chân 6 | RA4 — Port A bit 4 / analog / LCD segment |
| Chân 7 | RA5 — Port A bit 5 / analog / LCD segment |
| Chân 8 | RA6 — Port A bit 6 / analog / LCD segment |
| Chân 9 | RA7 — Port A bit 7 / analog / LCD segment |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Positive supply voltage |
| Chân 12 | RB0 — Port B bit 0 / analog / LCD segment |
| Chân 13 | RB1 — Port B bit 1 / analog / LCD segment |
| Chân 14 | RB2 — Port B bit 2 / analog / LCD segment |
| Chân 15 | RB3 — Port B bit 3 / analog / LCD segment |
| Chân 16 | RB4 — Port B bit 4 / analog / LCD segment |
| Chân 17 | RB5 — Port B bit 5 / analog / LCD segment |
| Chân 18 | RB6 — Port B bit 6 / ICSPCLK / LCD segment |
| Chân 19 | RB7 — Port B bit 7 / ICSPDAT / LCD segment |
| Chân 20 | VSS — Ground reference |
| Chân 21 | VDD — Positive supply voltage |
| Chân 22 | RC0 — Port C bit 0 / analog / LCD segment |
| Chân 23 | RC1 — Port C bit 1 / analog / LCD segment |
| Chân 24 | RC2 — Port C bit 2 / analog / LCD segment |
| Chân 25 | RC3 — Port C bit 3 / analog / LCD segment |
| Chân 26 | RC4 — Port C bit 4 / analog / LCD segment |
| Chân 27 | RC5 — Port C bit 5 / analog / LCD segment |
| Chân 28 | RC6 — Port C bit 6 / analog / LCD segment |
| Chân 29 | RC7 — Port C bit 7 / analog / LCD segment |
| Chân 30 | VSS — Ground reference |
| Chân 31 | VDD — Positive supply voltage |
| Chân 32 | RD0 — Port D bit 0 / analog / LCD segment |
| Chân 33 | RD1 — Port D bit 1 / analog / LCD segment |
| Chân 34 | RD2 — Port D bit 2 / analog / LCD segment |
| Chân 35 | RD3 — Port D bit 3 / analog / LCD segment |
| Chân 36 | RD4 — Port D bit 4 / analog / LCD segment |
| Chân 37 | RD5 — Port D bit 5 / analog / LCD segment |
| Chân 38 | RD6 — Port D bit 6 / analog / LCD segment |
| Chân 39 | RD7 — Port D bit 7 / analog / LCD segment |
| Chân 40 | VSS — Ground reference |
| Chân 41 | VDD — Positive supply voltage |
| Chân 42 | RE0 — Port E bit 0 / analog / LCD segment |
| Chân 43 | RE1 — Port E bit 1 / analog / LCD segment |
| Chân 44 | RE2 — Port E bit 2 / analog / LCD segment |
| Chân 45 | RF0 — Port F bit 0 / analog / LCD segment |
| Chân 46 | RF1 — Port F bit 1 / analog / LCD segment |
| Chân 47 | RF2 — Port F bit 2 / analog / LCD segment |
| Chân 48 | RF3 — Port F bit 3 / analog / LCD segment |
| Chân 49 | RF4 — Port F bit 4 / analog / LCD segment |
| Chân 50 | RF5 — Port F bit 5 / analog / LCD segment |
| Chân 51 | RF6 — Port F bit 6 / analog / LCD segment |
| Chân 52 | RF7 — Port F bit 7 / analog / LCD segment |
| Chân 53 | RG0 — Port G bit 0 / LCD segment |
| Chân 54 | RG1 — Port G bit 1 / LCD segment |
| Chân 55 | RG2 — Port G bit 2 / LCD segment |
| Chân 56 | RG3 — Port G bit 3 / LCD segment |
| Chân 57 | RG4 — Port G bit 4 / LCD segment |
| Chân 58 | RG5 — Port G bit 5 / LCD segment |
| Chân 59 | RG6 — Port G bit 6 / LCD segment |
| Chân 60 | RG7 — Port G bit 7 / LCD segment |
| Chân 61 | VSS — Ground reference |
| Chân 62 | VDD — Positive supply voltage |
| Chân 63 | RH0 — Port H bit 0 / LCD segment |
| Chân 64 | RH1 — Port H bit 1 / LCD segment |
Ứng dụng tiêu biểu
PIC16LF19197T-I/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF19197T-I/PT — 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 | 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 |
Bảo phân biệt quan trọng
- Largest Flash in PIC16LF1919x 64-pin family (vsPIC16LF19195-I/PT)
- Lowest operating voltage in the family (1.8V) (vsPIC16F19197-I/PT)
- Industrial temperature grade (-40C to +85C) (vsPIC16LF19197-E/PT)
- Integrated LCD charge pump and high-current I/O (vsPIC16LF18877-I/PT)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
