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STM8L051F3 Datasheet(PDF) 12 Page - STMicroelectronics

Part # STM8L051F3
Description  8-bit ultra-low-power MCU, 8-Kbyte Flash memory, 256-byte data EEPROM, RTC, timers, USART, I2C, SPI, ADC
PDF  96 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L051F3 Datasheet(HTML) 12 Page - STMicroelectronics

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Functional overview
STM8L051F3
12/96
DS9178 Rev 4
3
Functional overview
Figure 1. STM8L051F3 block diagram
1. Legend:
ADC: Analog-to-digital converter
BOR: Brownout reset
DMA: Direct memory access
I²C: Inter-integrated circuit multimaster interface
IWDG: Independent watchdog
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
MS30321V2
Clock
controller
and CSS
Clocks
8-Kbyte
1-Kbyte RAM
to core and
peripherals
IWDG
(38 kHz clock)
Port A
Port B
Port C
Power
VOLT. REG.
WWDG
256-byte
Port D
Beeper
RTC
memory
Program
Data EEPROM
@V DD
VDD18
V DD =1.8 V
V SS
SWIM
SCL, SDA,
SPI1_MOSI, SPI1_MISO,
SPI1_SCK, SPI1_NSS
USART1_RX, USART1_TX,
USART1_CK
ADC1_INx
V
DDA,
V
SSA
SMB
@V
DDA
/V
SSA
12-bit ADC1
V
DDREF
3.6 V
NRST
PA[7:0]
PB[7:0]
PC[7:0]
PD[7:0]
BEEP
ALARM,
TAMP1/2/3
POR/PDR
OSC_IN,
OSC_OUT
OSC32_IN,
OSC32_OUT
to
BOR
PVD
PVD_IN
RESET
DMA1 (4 channels)
2 channels
2 channels
Internal reference
voltage
VREFINT out
IR_TIM
1-16 MHz oscillator
16 MHz internal RC
32 kHz oscillator
STM8 Core
16-bit Timer 2
38 kHz internal RC
Interrupt controller
16-bit Timer 3
Debug module
(SWIM)
8-bit Timer 4
Infrared interface
SPI1
I²C1
USART1
V
SSREF
(2)
(2)
(2)



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