STM8L151G4Y3 STMICROELECTRONICS [STMicroelectronics], STM8L151G4Y3 Datasheet - Page 2
STM8L151G4Y3
Manufacturer Part Number
STM8L151G4Y3
Description
8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM8L151G4Y3.pdf
(122 pages)
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Contents
Contents
1
2
3
2/122
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
2.2
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Ultralow power comparators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Watchdog timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Beeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ultralow power continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Central processing unit STM8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2.1
3.2.2
Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3.1
3.3.2
3.3.3
Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Low power real-time clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
LCD (Liquid crystal display) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Analog-to-digital converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
System configuration controller and routing interface . . . . . . . . . . . . . . . 20
3.13.1
3.13.2
3.13.3
3.14.1
3.14.2
Advanced STM8 Core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Interrupt controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
TIM1 - 16-bit advanced control timer . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16-bit general purpose timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8-bit basic timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Window watchdog timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Independent watchdog timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Doc ID 15962 Rev 5
STM8L151xx, STM8L152xx
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