STM8AL3188TCY - 8-bit Ultra-Low-Power MCU 64KB Flash | STMicroelectronics
N.º da peça: STM8AL3188TCY ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.32 | $4,32 |
| 10 | $3.89 | $38,90 |
| 100 | $3.46 | $346,00 |
| 500 | $3.11 | $1.555,00 |
| 1.000 | $2.77 | $2.770,00 |
STM8AL3188TCY Visão geral
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.
Alternativas drop-in para STM8AL3188TCY — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM8AL3188TCY (mesmo formato e footprint) — diferindo em Communication Interfaces, Core, Flash Memory, Low-Power Modes, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM8AL3L88TCY
✅ Drop-In✓ Em estoque
$1.85 / unidade
Ver ficha técnica →S9KEAZN64ACLH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM8AL3188TCY Classificações máximas e características elétricas
| Core | STM8 8-bit CISC |
| Frequência máxima de clock | 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 |
| Faixa de temperatura de operação | -40°C to +85°C |
| Encapsulamento | 48-LQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Automotive Qualification | AEC-Q100 |
Configuração de pinos do STM8AL3188TCY
| Pino 1 | VSS — Ground |
| Pino 2 | VDD — Power supply |
| Pino 3 | PA0 — General purpose I/O / ADC input |
| Pino 4 | PA1 — General purpose I/O / ADC input |
| Pino 5 | PA2 — General purpose I/O / ADC input |
| Pino 6 | PA3 — General purpose I/O / ADC input |
| Pino 7 | NRST — Reset (active low) |
| Pino 8 | VSS — Ground |
| Pino 9 | VDD — Power supply |
| Pino 10 | PB0 — General purpose I/O / SPI clock |
| Pino 11 | PB1 — General purpose I/O / SPI master out |
| Pino 12 | PB2 — General purpose I/O / SPI master in |
| Pino 13 | PB3 — General purpose I/O / SPI chip select |
| Pino 14 | PB4 — General purpose I/O / I2C clock |
| Pino 15 | PB5 — General purpose I/O / I2C data |
| Pino 16 | PB6 — General purpose I/O / UART TX |
| Pino 17 | PB7 — General purpose I/O / UART RX |
| Pino 18 | VSS — Ground |
| Pino 19 | VDD — Power supply |
| Pino 20 | PC0 — General purpose I/O / ADC input |
| Pino 21 | PC1 — General purpose I/O / ADC input |
| Pino 22 | PC2 — General purpose I/O / ADC input |
| Pino 23 | PC3 — General purpose I/O / ADC input |
| Pino 24 | PC4 — General purpose I/O / ADC input |
| Pino 25 | PC5 — General purpose I/O / ADC input |
| Pino 26 | PC6 — General purpose I/O / ADC input |
| Pino 27 | PC7 — General purpose I/O / ADC input |
| Pino 28 | VSS — Ground |
| Pino 29 | VDD — Power supply |
| Pino 30 | PD0 — General purpose I/O / LCD segment |
| Pino 31 | PD1 — General purpose I/O / LCD segment |
| Pino 32 | PD2 — General purpose I/O / LCD segment |
| Pino 33 | PD3 — General purpose I/O / LCD segment |
| Pino 34 | PD4 — General purpose I/O / LCD segment |
| Pino 35 | PD5 — General purpose I/O / LCD segment |
| Pino 36 | PD6 — General purpose I/O / LCD segment |
| Pino 37 | PD7 — General purpose I/O / LCD segment |
| Pino 38 | VSS — Ground |
| Pino 39 | VDD — Power supply |
| Pino 40 | PE0 — General purpose I/O / LCD segment |
| Pino 41 | PE1 — General purpose I/O / LCD segment |
| Pino 42 | PE2 — General purpose I/O / LCD segment |
| Pino 43 | PE3 — General purpose I/O / LCD segment |
| Pino 44 | PE4 — General purpose I/O / LCD segment |
| Pino 45 | PE5 — General purpose I/O / LCD segment |
| Pino 46 | PE6 — General purpose I/O / LCD segment |
| Pino 47 | PE7 — General purpose I/O / LCD segment |
| Pino 48 | VDD — Power supply |
Aplicações típicas
STM8AL3188TCY é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM8AL3188TCY — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Integrated LCD driver supporting up to 8x40 segments (vs S9KEAZN64ACLH)
- True EEPROM for data storage (vs S9KEAZN64ACLH)
- Ultra-low-power Halt mode with 0.35 µA current (vs STM8AL3L88TCY)
Notas de projeto
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.
Informações de conformidade
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per STMicroelectronics product page.
