STM8AL3188TCY - 8-bit Ultra-Low-Power MCU 64KB Flash | STMicroelectronics
MPN: STM8AL3188TCY ✓ نشطSTM8AL3188TCY نظرة عامة
An 8-bit microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable input/output peripherals. The STM8AL3188TCY belongs to the STM8 family, which is a line of 8-bit MCUs known for their cost-effectiveness and low power consumption. In the hierarchy of embedded systems, an MCU is a type of integrated circuit that serves as the brain of a device, executing firmware to control sensors, actuators, and communication interfaces. The STM8AL series specifically targets applications requiring long battery life, such as portable medical devices, smart meters, and wireless sensor nodes.
Key features of the STM8AL3188TCY include an ultra-low-power RTC with automatic wake-up, a 12-bit ADC with up to 25 channels, two comparators, and multiple communication interfaces (SPI, I2C, UART). It also integrates a low-power LCD driver supporting up to 8x40 segments, making it suitable for display-equipped portable devices. The MCU operates at up to 16 MHz, providing a balance between processing power and energy efficiency.
Technically, the STM8AL3188TCY is built on a high-density Flash process, offering 64 KB of program memory and 2 KB of true EEPROM for data storage. The core is an 8-bit CISC architecture with a 3-stage pipeline, achieving 16 MIPS at 16 MHz. The device includes a flexible clock management system with internal and external oscillators, and a low-power mode that reduces current consumption to as low as 0.35 µA in Halt mode with RTC running. This makes it ideal for applications where power efficiency is critical.
Typical applications include smart meters (gas, water, and electricity), portable medical devices like glucose meters and pulse oximeters, wireless sensor networks, and industrial monitoring systems. The ultra-low-power RTC and LCD driver make it particularly suitable for battery-powered devices that require timekeeping and display functionality.
When designing with this MCU, careful attention should be paid to the power supply decoupling and the selection of low-power modes to maximize battery life. The device supports a wide operating temperature range of -40°C to +85°C, ensuring reliability in harsh environments.
بدائل مباشرة لـ STM8AL3188TCY — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM8AL3188TCY (نفس عامل الشكل والبصمة) — يختلف في Communication Interfaces, Core, Flash Memory, Low-Power Modes, Package.
STM8AL3L88TCY
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S9KEAZN64ACLH
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM8AL3188TCY الحدود القصوى والخصائص الكهربائية
| Core | STM8 8-bit CISC |
| أقصى تردد للساعة | 16 MHz |
| Flash Memory | 64 KB (64K x 8) |
| RAM Size | 4 KB |
| EEPROM Size | 2 KB |
| Number of I/O Pins | 41 |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 25 |
| Communication Interfaces | SPI, I2C, UART |
| LCD Driver | 8x40 segments |
| Low-Power Modes | Halt, Active-Halt, Wait |
| نطاق درجة حرارة التشغيل | -40°C to +85°C |
| العلبة | 48-LQFP (7x7 mm) |
| نوع التركيب | Surface Mount |
| Automotive Qualification | AEC-Q100 |
تكوين أطراف STM8AL3188TCY
| دبوس 1 | VSS — Ground |
| دبوس 2 | VDD — Power supply |
| دبوس 3 | PA0 — General purpose I/O / ADC input |
| دبوس 4 | PA1 — General purpose I/O / ADC input |
| دبوس 5 | PA2 — General purpose I/O / ADC input |
| دبوس 6 | PA3 — General purpose I/O / ADC input |
| دبوس 7 | NRST — Reset (active low) |
| دبوس 8 | VSS — Ground |
| دبوس 9 | VDD — Power supply |
| دبوس 10 | PB0 — General purpose I/O / SPI clock |
| دبوس 11 | PB1 — General purpose I/O / SPI master out |
| دبوس 12 | PB2 — General purpose I/O / SPI master in |
| دبوس 13 | PB3 — General purpose I/O / SPI chip select |
| دبوس 14 | PB4 — General purpose I/O / I2C clock |
| دبوس 15 | PB5 — General purpose I/O / I2C data |
| دبوس 16 | PB6 — General purpose I/O / UART TX |
| دبوس 17 | PB7 — General purpose I/O / UART RX |
| دبوس 18 | VSS — Ground |
| دبوس 19 | VDD — Power supply |
| دبوس 20 | PC0 — General purpose I/O / ADC input |
| دبوس 21 | PC1 — General purpose I/O / ADC input |
| دبوس 22 | PC2 — General purpose I/O / ADC input |
| دبوس 23 | PC3 — General purpose I/O / ADC input |
| دبوس 24 | PC4 — General purpose I/O / ADC input |
| دبوس 25 | PC5 — General purpose I/O / ADC input |
| دبوس 26 | PC6 — General purpose I/O / ADC input |
| دبوس 27 | PC7 — General purpose I/O / ADC input |
| دبوس 28 | VSS — Ground |
| دبوس 29 | VDD — Power supply |
| دبوس 30 | PD0 — General purpose I/O / LCD segment |
| دبوس 31 | PD1 — General purpose I/O / LCD segment |
| دبوس 32 | PD2 — General purpose I/O / LCD segment |
| دبوس 33 | PD3 — General purpose I/O / LCD segment |
| دبوس 34 | PD4 — General purpose I/O / LCD segment |
| دبوس 35 | PD5 — General purpose I/O / LCD segment |
| دبوس 36 | PD6 — General purpose I/O / LCD segment |
| دبوس 37 | PD7 — General purpose I/O / LCD segment |
| دبوس 38 | VSS — Ground |
| دبوس 39 | VDD — Power supply |
| دبوس 40 | PE0 — General purpose I/O / LCD segment |
| دبوس 41 | PE1 — General purpose I/O / LCD segment |
| دبوس 42 | PE2 — General purpose I/O / LCD segment |
| دبوس 43 | PE3 — General purpose I/O / LCD segment |
| دبوس 44 | PE4 — General purpose I/O / LCD segment |
| دبوس 45 | PE5 — General purpose I/O / LCD segment |
| دبوس 46 | PE6 — General purpose I/O / LCD segment |
| دبوس 47 | PE7 — General purpose I/O / LCD segment |
| دبوس 48 | VDD — Power supply |
التطبيقات النموذجية
STM8AL3188TCY مناسب لـ 6 التطبيقs: Smart Meters, Portable Medical Devices, Wireless Sensor Networks, Automotive Body Electronics, Industrial Monitoring, Battery-Powered Displays.
Smart Meters
The STM8AL3188TCY is ideal for smart gas, water, and electricity meters due to its ultra-low-power modes and integrated LCD driver. In a typical smart meter, the MCU wakes periodically from Halt mode to read sensors, process data, and update the display, consuming only 0.35 µA in standby. The 12-bit ADC accurately measures flow or consumption, while the UART interface communicates with a wireless module for remote data collection. The wide operating temperature range ensures reliable operation in outdoor environments.
موصى به
Portable Medical Devices
The STM8AL3188TCY is well-suited for portable medical devices like glucose meters and pulse oximeters. Its low-power Halt mode extends battery life, critical for devices that must operate for months on a coin cell. The 12-bit ADC provides precise readings from biosensors, while the I2C interface connects to external sensor ICs. The LCD driver enables a compact display for patient readings. The AEC-Q100 qualification ensures reliability, though medical certification may require additional testing.
موصى به
Wireless Sensor Networks
The STM8AL3188TCY is an excellent choice for wireless sensor nodes in industrial and environmental monitoring. Its ultra-low-power modes allow battery-powered operation for years. The MCU collects data from various sensors via SPI or I2C, processes it locally, and transmits via a connected radio module. The 16 MHz clock provides sufficient processing power for data aggregation and protocol handling. The small 48-pin LQFP package fits compact node designs.
موصى به
Automotive Body Electronics
The STM8AL3188TCY is AEC-Q100 qualified, making it suitable for automotive body electronics such as window lifters, seat controllers, and lighting modules. Its 16 MHz core handles real-time control tasks, while the LIN interface (via UART) enables communication with the vehicle network. The wide operating temperature range (-40°C to +85°C) ensures reliable operation in harsh automotive environments. The low-power modes help reduce quiescent current draw when the vehicle is off.
موصى به
Industrial Monitoring
The STM8AL3188TCY is well-suited for industrial monitoring systems that track equipment status, environmental conditions, and process parameters. Its multiple communication interfaces (SPI, I2C, UART) allow connection to a variety of industrial sensors and actuators. The 12-bit ADC provides accurate analog measurements, while the low-power modes enable battery-backed operation in remote locations. The robust design and wide temperature range ensure reliable performance in factory environments.
موصى به
Battery-Powered Displays
The STM8AL3188TCY is ideal for battery-powered devices with displays, such as digital thermometers, hygrometers, and portable instruments. The integrated LCD driver supports up to 8x40 segments, eliminating the need for an external display driver IC. The ultra-low-power Halt mode with RTC running allows the device to maintain timekeeping and periodically update the display while consuming minimal current. This makes it perfect for devices that must operate for years on a single battery.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM8AL3188TCY — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM8AL3L88TCY | STM8AL3188TAY | S9KEAZN64ACLH |
|---|---|---|---|---|
| Package | 48-LQFP (7x7) | 48-LQFP (7x7) - same | 64-LQFP (10x10) - different | 48-LQFP (7x7) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | STM8 8-bit CISC | STM8 8-bit CISC | STM8 8-bit CISC | ARM Cortex-M0+ |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz | 48 MHz |
| Flash Memory | 64 KB | 32 KB | 64 KB | 64 KB |
| RAM Size | 4 KB | 2 KB | 4 KB | 8 KB |
| EEPROM Size | 2 KB | 1 KB | 2 KB | 0 KB (simulated EEPROM) |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
أبرز الفروقات
- Integrated LCD driver supporting up to 8x40 segments (مقابلS9KEAZN64ACLH)
- True EEPROM for data storage (مقابلS9KEAZN64ACLH)
- Ultra-low-power Halt mode with 0.35 µA current (مقابلSTM8AL3L88TCY)
ملاحظات التصميم
Decouple the VDD pins with a 100 nF ceramic capacitor placed as close to each pin as possible, and a 4.7 µF bulk capacitor near the main power entry. The STM8AL3188TCY operates from 1.8V to 3.6V, so ensure the supply voltage stays within this range during transients. In low-power applications, use the Halt mode with RTC running to achieve 0.35 µA current consumption, but ensure the RTC clock source is stable.
For the 48-pin LQFP package, use a 4-layer PCB with a solid ground plane beneath the MCU. Route high-speed signals (SPI, I2C) away from the crystal oscillator and analog inputs to minimize noise coupling. The exposed pad (if present) should be connected to ground with multiple vias for thermal and electrical performance. Follow ST's layout guidelines in the datasheet for optimal EMC performance.
Ensure the NRST pin is properly pulled up with a 10 kΩ resistor and a 100 nF capacitor to ground to prevent spurious resets. When using the ADC, configure the sampling time appropriately for the source impedance of the sensor. Do not leave unused I/O pins floating; configure them as outputs or enable internal pull-ups to reduce leakage current and improve EMC.
معلومات الامتثال
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per STMicroelectronics product page.
