STM8L101 STMICROELECTRONICS [STMicroelectronics], STM8L101 Datasheet - Page 9

• Manufacturer Part Number: STM8L101
• Description: 8-bit ultralow power microcontroller with up to 8 Kbytes Flash multifunction timers, comparators, USART, SPI, I2C
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM8L101xx
3
Product overview
Figure 1.
Legend:
COMP1_CH[4:1]
COMP2_CH[4:1]
AWU: Auto-wakeup unit
Int. RC: internal RC oscillator
I²C: Inter-integrated circuit multimaster interface
POR/PDR: Power on reset / power down reset
SPI: Serial peripheral interface
SWIM: Single wire interface module
USART: Universal synchronous / asynchronous receiver / transmitter
IWDG: Independent watchdog
COMP_REF
PA[6:0]
PB[7:0]
PC[6:0]
PD[7:0]
IR_TIM
SWIM
STM8L101xx device block diagram
Infrared interface
up to 29 external
Nested interrupt
16 MHz int RC
Debug module
38 kHz int RC
up to 16 MHz
controller
interrupts
COMP1
COMP2
(SWIM)
STM8
Core
Port A
Port B
Port C
Port D
Doc ID 15275 Rev 11
to core and
peripherals
Clocks
controller
Clock
V
DD18
@V
Up to 8 Kbytes
data EEPROM)
up to 2 Kbytes
Flash memory
16-bit Timer 2
16-bit Timer 3
8-bit Timer 4
DD
multimaster
1.5 Kbytes
(including
POR/PDR
Volt. reg.
USART
Beeper
Power
SRAM
IWDG
Reset
AWU
SPI
I²C1
Product overview
TIM3_CH[2:1]
TIM3_TRIG
V
V
NRST
RX, TX, CK
SDA, SCL
MOSI, MISO,
SCK, NSS
TIM2_CH[2:1]
TIM2_TRIG
BEEP
DD
SS
=1.65 V
to
3.6 V
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