STM8S208RB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S208RB

Performance line, 24 MHz STM8S 8-bit MCU, up to 128 KB Flash, integrated EEPROM, 10-bit ADC, timers, 2 UARTs, SPI, I²C, CAN

STMicroelectronics 

STM8S207xx, STM8S208xx

Product overview

4.12

TIM4 - 8-bit basic timer

● 8-bit autoreload, adjustable prescaler ratio to any power of 2 from 1 to 128

● Clock source: CPU clock

● Interrupt source: 1 x overflow/update

Table 4. TIM timer features

Timer

Counter

size

(bits)

Prescaler

Counting CAPCOM Complem. Ext.

mode channels outputs trigger

Timer

synchr-

onization/

chaining

TIM1

TIM2

TIM3

TIM4

16

Any integer from 1 to 65536 Up/down

4

16 Any power of 2 from 1 to 32768 Up

3

16 Any power of 2 from 1 to 32768 Up

2

8

Any power of 2 from 1 to 128

Up

0

3

Yes

0

No

No

0

No

0

No

4.13

Analog-to-digital converter (ADC2)

STM8S20xxx performance line products contain a 10-bit successive approximation A/D

converter (ADC2) with up to 16 multiplexed input channels and the following main features:

● Input voltage range: 0 to VDDA

● Dedicated voltage reference (VREF) pins available on 80 and 64-pin devices

● Conversion time: 14 clock cycles

● Single and continuous modes

● External trigger input

● Trigger from TIM1 TRGO

● End of conversion (EOC) interrupt

4.14

Communication interfaces

The following communication interfaces are implemented:

● UART1: Full feature UART, SPI emulation, LIN2.1 master capability, Smartcard mode,

IrDA mode, single wire mode.

● UART3: Full feature UART, LIN2.1 master/slave capability

● SPI : Full and half-duplex, 10 Mbit/s

● I²C: Up to 400 Kbit/s

● beCAN (rev. 2.0A,B) - 3 Tx mailboxes - up to 1 Mbit/s

Doc ID 14733 Rev 12

19/103

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