STM8L152M8T7 STMicroelectronics, STM8L152M8T7 Datasheet - Page 14
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STM8L152M8T7
Manufacturer Part Number
STM8L152M8T7
Description
8-bit Microcontrollers - MCU 8-bit Ultralow MCU LCD 80pin 64kb Flash
Manufacturer
STMicroelectronics
Datasheet
1.STM8L152M8T7.pdf
(129 pages)
Specifications of STM8L152M8T7
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
STM8
Data Bus Width
8 bit
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Functional overview
3.1
14/129
LCD: Liquid crystal display
POR/PDR: Power on reset / power-down reset
RTC: Real-time clock
SPI: Serial peripheral interface
SWIM: Single wire interface module
USART: Universal synchronous asynchronous receiver transmitter
WWDG: Window watchdog
Low power modes
The high density and medium+ density STM8L15xx devices support five low power modes
to achieve the best compromise between low power consumption, short startup time and
available wakeup sources:
●
●
●
●
●
Wait mode: CPU clock is stopped, but selected peripherals keep running. An internal
or external interrupt or a Reset can be used to exit the microcontroller from Wait mode
(WFE or WFI mode).
Low power run mode: The CPU and the selected peripherals are running. Execution
is done from RAM with a low speed oscillator (LSI or LSE). Flash memory and data
EEPROM are stopped and the voltage regulator is configured in Ultralow power mode.
The microcontroller enters Low power run mode by software and can exit from this
mode by software or by a reset.
All interrupts must be masked. They cannot be used to exit the microcontroller from this
mode.
Low power wait mode: This mode is entered when executing a Wait for event in Low
power run mode. It is similar to Low power run mode except that the CPU clock is
stopped. The wakeup from this mode is triggered by a Reset or by an internal or
external event (peripheral event generated by the timers, serial interfaces, DMA
controller (DMA1), comparators and I/O ports). When the wakeup is triggered by an
event, the system goes back to Low power run mode.
All interrupts must be masked. They cannot be used to exit the microcontroller from this
mode.
Active-halt mode: CPU and peripheral clocks are stopped, except RTC. The wakeup
can be triggered by RTC interrupts, external interrupts or reset.
Halt mode: CPU and peripheral clocks are stopped, the device remains powered on.
The RAM content is preserved. The wakeup is triggered by an external interrupt or
reset. A few peripherals have also a wakeup from Halt capability. Switching off the
internal reference voltage reduces power consumption. Through software configuration
it is also possible to wake up the device without waiting for the internal reference
voltage wakeup time to have a fast wakeup time of 5 µs.
Doc ID 17943 Rev 5
STM8L15xx8, STM8L15xR6
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