STM8S207MB datasheet(19/103 Pages) STMICROELECTRONICS

19 / 103 page

STM8S207xx, STM8S208xx

Product overview

Doc ID 14733 Rev 12

19/103

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

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

Table 4.

TIM timer features

Timer

Counter

size

(bits)

Prescaler

Counting

mode

CAPCOM

channels

Complem.

outputs

Ext.

trigger

Timer

synchr-

onization/

chaining

TIM1

Any integer from 1 to 65536

Up/down

Yes

TIM2

Any power of 2 from 1 to 32768

TIM3

Any power of 2 from 1 to 32768

TIM4

Any power of 2 from 1 to 128

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