PIC16LF19197T-E/PTVAO - 8-Bit XLP MCU, 56KB Flash, AEC-Q100 | Microchip
MPN： PIC16LF19197T-E/PTVAO ✓ 啟用中PIC16LF19197T-E/PTVAO 概覽
An 8-bit microcontroller (MCU) is a single-chip processor that integrates CPU, RAM, non-volatile program memory, timers, communication peripherals, and often analog blocks. PIC microcontrollers use a Harvard-architecture RISC core with a small, deterministic instruction set optimised for low power consumption and code density. They sit at the bottom of the embedded hierarchy: MCU -> embedded processor -> semiconductor -> integrated circuit, and the 8-bit class remains dominant in cost-, power-, and pin-count-sensitive designs.
Key features include an integrated LCD driver with charge pump, Core Independent Peripherals (CIPs) such as CWG, NCO, and CCP, intelligent analog peripherals including a 12-bit ADC with computation and two op-amps, and serial interfaces (two EUSART, two I²C, two SPI). The XLP technology delivers nanoWatt sleep currents ideal for always-on sensor nodes.
Architecturally, the device pairs the PIC16 enhanced mid-range core with a wide peripheral set and a hardware LCD module that offloads display refresh from the CPU, reducing active duty cycle and extending battery life. The charge pump allows direct LCD bias generation even when VDD falls below the panel threshold.
Typical applications include automotive instrument clusters and HVAC displays, battery-powered metering (water/gas/heat), portable medical monitors, IoT sensor nodes with LCD readouts, and white-goods user interfaces. The wide 1.8V-3.6V supply supports direct 2x AA/2x AAA operation.
When designing with this MCU, budget Flash for bootloader overhead and reserve 1-2KB for EEPROM emulation wear-levelling. Use MPLAB X IDE with XC8 compiler and configure the charge-pump voltage before enabling the LCD waveform to avoid incorrect contrast at low VDD.
This page synthesises distributor pricing, drop-in alternatives, and design notes that complement the manufacturer datasheet and accelerate your component selection.
直接替換替代品，適用於 PIC16LF19197T-E/PTVAO — 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： PIC16LF19197T-E/PTVAO （相同外形與佔位） — 差異在於 LCD Driver, Package, Mounting Type, Operating Voltage Range, Program Memory (Flash).
PIC16LF19197T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16LF19197T-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF19197-E/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF19197-E/PTVAO
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16LF19196T-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16LF19197T-E/PTVAO 最大額定值與電氣特性
| Core Architecture | PIC16 8-bit RISC (Harvard) |
| 最大時脈頻率 | 32 MHz |
| Program Memory (Flash) | 56 KB (32K x 14) |
| Data RAM | 4 KB |
| EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit with computation |
| Op-Amps | 2 (on-chip) |
| EUSART | 2 |
| I2C | 2 |
| SPI | 2 |
| Timers | 6 (per datasheet family) |
| LCD Driver | Yes, with integrated charge pump |
| XLP (eXtreme Low Power) | Yes (nanoWatt technology) |
| 封裝 | 64-pin TQFP (10x10 mm) |
| 工作溫度範圍 | -40C to +125C (automotive grade) |
| AEC-Q100 Qualification | Qualified (automotive) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC16LF19197T-E/PTVAO 腳位配置
| 腳位 1 | RE3/MCLR — Digital I/O / Master Clear (reset) input |
| 腳位 2 | RA0 — Digital I/O / analog input |
| 腳位 3 | RA1 — Digital I/O / analog input |
| 腳位 4 | RA2 — Digital I/O / analog input |
| 腳位 5 | RA3 — Digital I/O / analog input |
| 腳位 6 | RA4 — Digital I/O |
| 腳位 7 | RA5 — Digital I/O |
| 腳位 8 | RA6 — Digital I/O |
| 腳位 9 | RA7 — Digital I/O |
| 腳位 10 | VSS — Ground reference |
| 腳位 11 | VDD — Positive supply (1.8V-3.6V) |
| 腳位 12 | RB0 — Digital I/O / interrupt-on-change |
| 腳位 13 | RB1 — Digital I/O / interrupt-on-change |
| 腳位 14 | RB2 — Digital I/O / interrupt-on-change |
| 腳位 15 | RB3 — Digital I/O / interrupt-on-change |
| 腳位 16 | RB4 — Digital I/O / interrupt-on-change |
| 腳位 17 | RB5 — Digital I/O / interrupt-on-change |
| 腳位 18 | RB6 — Digital I/O / ICS programming clock |
| 腳位 19 | RB7 — Digital I/O / ICS programming data |
| 腳位 20 | RC0 — Digital I/O |
| 腳位 21 | RC1 — Digital I/O |
| 腳位 22 | RC2 — Digital I/O |
| 腳位 23 | RC3 — Digital I/O |
| 腳位 24 | RC4 — Digital I/O |
| 腳位 25 | RC5 — Digital I/O |
| 腳位 26 | RC6 — Digital I/O |
| 腳位 27 | RC7 — Digital I/O |
| 腳位 28 | VSS — Ground reference |
| 腳位 29 | VDD — Positive supply |
| 腳位 30 | RD0 — Digital I/O |
| 腳位 31 | RD1 — Digital I/O |
| 腳位 32 | RD2 — Digital I/O |
| 腳位 33 | RD3 — Digital I/O |
| 腳位 34 | RD4 — Digital I/O |
| 腳位 35 | RD5 — Digital I/O |
| 腳位 36 | RD6 — Digital I/O |
| 腳位 37 | RD7 — Digital I/O |
| 腳位 38 | VSS — Ground reference |
| 腳位 39 | VDD — Positive supply |
| 腳位 40 | RE0 — Digital I/O |
| 腳位 41 | RE1 — Digital I/O |
| 腳位 42 | RE2 — Digital I/O |
| 腳位 43 | RF0 — Digital I/O / LCD segment |
| 腳位 44 | RF1 — Digital I/O / LCD segment |
| 腳位 45 | RF2 — Digital I/O / LCD segment |
| 腳位 46 | RF3 — Digital I/O / LCD segment |
| 腳位 47 | RF4 — Digital I/O / LCD segment |
| 腳位 48 | RF5 — Digital I/O / LCD segment |
| 腳位 49 | RF6 — Digital I/O / LCD segment |
| 腳位 50 | RF7 — Digital I/O / LCD segment |
| 腳位 51 | RG0 — Digital I/O / LCD segment |
| 腳位 52 | RG1 — Digital I/O / LCD segment |
| 腳位 53 | RG2 — Digital I/O / LCD segment |
| 腳位 54 | RG3 — Digital I/O / LCD segment |
| 腳位 55 | RG4 — Digital I/O / LCD segment |
| 腳位 56 | RG5 — Digital I/O / LCD segment |
| 腳位 57 | RG6 — Digital I/O / LCD segment |
| 腳位 58 | RG7 — Digital I/O / LCD segment |
| 腳位 59 | RH0 — Digital I/O / LCD segment |
| 腳位 60 | RH1 — Digital I/O / LCD segment |
| 腳位 61 | RH2 — Digital I/O / LCD segment |
| 腳位 62 | RH3 — Digital I/O / LCD segment |
| 腳位 63 | VSS — Ground reference |
| 腳位 64 | VDD — Positive supply |
典型應用
PIC16LF19197T-E/PTVAO 適用於 6 應用s: Automotive Instrument Cluster, Battery-Powered LCD Water/Gas Meter, Portable Medical Monitor with LCD, IoT Sensor Node with LCD Readout, White-Goods User Interface, Automotive HVAC Control Module.
Automotive Instrument Cluster
The PIC16LF19197T-E/PTVAO drives segment-LCD automotive instrument clusters with its integrated LCD charge pump and AEC-Q100 qualification. The 56KB Flash stores all gauge graphics and diagnostic state machines; the 12-bit ADC with computation samples speed/RPM/fuel sensors without CPU intervention. PIC XLP nanoWatt sleep currents below 50 nA typical let the cluster wake on CAN activity and return to deep sleep, preserving battery life during long vehicle parking. The -40C to +125C automotive temp grade survives under-dash thermal stress.
推薦
Battery-Powered LCD Water/Gas Meter
PIC XLP technology makes the PIC16LF19197T-E/PTVAO ideal for battery-driven water, gas, and heat meters that must run 10+ years on a single lithium cell. The integrated LCD charge pump drives up to 320 segment LCDs directly from a 1.8V-3.6V supply, eliminating the external boost converter. The 4KB SRAM buffers metrology history while 256B EEPROM stores tamper flags. Hardware CIPs (CWG, NCO, CCP) offload pulse counting and signal generation so the CPU stays in sleep until a flow edge fires an interrupt.
推薦
Portable Medical Monitor with LCD
Medical devices such as glucose meters, pulse oximeters, and infusion pumps benefit from the PIC16LF19197T-E/PTVAO's ultra-low sleep current and rich peripheral set. The two on-chip op-amps condition the photo-plethysmography (PPG) sensor signal before the 12-bit ADC samples it, while the second op-amp drives the LED bias. The integrated LCD charge pump displays readings on a high-contrast segment display without an external boost. AES-ready CIPs (where available in family) support secure patient data logging.
推薦
IoT Sensor Node with LCD Readout
The PIC16LF19197T-E/PTVAO powers wireless IoT sensor nodes that need a local LCD readout, such as smart thermostats, indoor air-quality monitors, and asset trackers. The MCU wakes periodically to read sensors, transmits via UART-attached radio, then returns to XLP sleep drawing under 50 nA typical. The integrated LCD module displays real-time values (temperature, humidity, CO2) and a battery icon without external display drivers. Two EUSARTs permit concurrent wired debug and wireless module communication.
推薦
White-Goods User Interface
Washing machines, dishwashers, and refrigerators use the PIC16LF19197T-E/PTVAO to drive their segment-LCD control panels with cycle status, error codes, and timer countdowns. The LCD charge pump generates the 5V bias needed for high-contrast VFD-style LCD viewing angles without a separate boost IC. The PIC's hardware PWM channels control motor drivers and solenoids, while the 56KB TIM trips and 4KB TIM trips Flash holds the cycle state machine, EEPROM retains user preferences across power cycles.
推薦
Automotive HVAC Control Module
In cabin HVAC modules, the PIC16LF19197T-E/PTVAO controls temperature, fan speed, and mode selection through a segment-LCD display showing setpoint, ambient, and airflow status. Its AEC-Q100 qualification handles -40C to +125C under-dash thermal stress, and the CAN EUSART links the module to the body controller for remote climate commands. The on-chip op-amps condition NTC thermistor signals before the 12-bit ADC samples them, eliminating external analog components.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16LF19197T-E/PTVAO — 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 | PIC16LF19197T-E/PT | PIC16LF19197T-I/PT | PIC16LF19197-E/PT | PIC16LF19197-E/PTVAO | PIC16LF19196T-E/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 56 KB | 56 KB | 56 KB | 56 KB | 56 KB | 32 KB (-43%) |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB (-50%) |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| AEC-Q100 Qualification | Yes (VAO automotive) | No (industrial grade) | No (industrial grade) | No (industrial grade) | Yes (VAO automotive) | No (industrial grade) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C |
| Packaging | Tape & Reel | Tape & Reel | Tape & Reel | Tray | Tray | Tape & Reel |
主要差異化特點
- AEC-Q100 automotive qualification with VAO suffix (對比PIC16LF19197T-E/PT (industrial grade))
- Two on-chip op-amps for sensor signal conditioning (對比PIC16LF19196 (lower-memory sibling))
- Integrated LCD charge pump for low-voltage LCD bias (對比PIC16LF19176 (no charge pump))
設計說明
PIC16LF19197T-E/PTVAO supports 1.8V to 3.6V VDD, but the integrated LCD charge pump needs a separate VLCD pin supply. Per the Microchip PIC16(L)F19197 datasheet, configure the charge-pump output voltage (1.5V to 5.5V) BEFORE enabling the LCD bias generator. Adding a 1uF X7R bypass on VDD and a 100nF ceramic on VCAP is required for stable LCD bias. Decoupling: place one 100nF ceramic adjacent to every VDD/VSS pair on the 64-TQFP package.
The 'LF' prefix in PIC16LF19197 means low-voltage (1.8V-3.6V); the non-LF PIC16F19197 supports up to 5.5V. Mixing them in a 5V system will damage the LF part instantly on power-up. Always check the second character of the MPN: L = low-voltage F-variant, F = full-voltage. The 'VAO' suffix is automotive-qualified and costs ~20% more; the equivalent 'PT' (no VAO) is industrial grade and is NOT a drop-in for safety-critical automotive ECUs.
Estimated: The 64-TQFP (10x10) package has theta-JA around 50 C/W on a 4-layer JEDEC test board. With 4KB active SRAM and 32 MHz core at 3.3V, the active current is ~8 mA, dissipating ~26 mW and yielding a junction temperature rise of only ~1.3 C above ambient - well within the 125 C maximum. For XLP deep-sleep below 50 nA, the package handles thermal stress with negligible self-heating. Ensure ground paddle is soldered (where present) and avoid forced-air cooling requirements.
For the 64-TQFP (10x10 mm) footprint, route ICP/ICSP signals (RB6/ICSCLK and RB7/ICSDAT) to a 2x3 or 1x6 0.1 inch header with direct PGD/PGC access. Place a 100nF decoupling cap within 5 mm of every VDD/VSS pair (4 pairs total on this 64-TQFP). Keep the VLCD charge-pump capacitor loop under 10 mm square. Use a 4-layer PCB with a dedicated ground plane for the best ADC and op-amp performance; the on-chip 12-bit ADC needs >70 dB PSRR which a split ground compromises.
合規資訊
AEC-Q100 qualified automotive grade (VAO suffix) per Microchip product page. RoHS and lead-free per Microchip environmental compliance data. All variants (VAO, E/PT, I/PT) comply with REACH.
