STM8S208C8T3B View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STM8S208C8T3B

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 

Pinouts and pin description

STM8S207xx, STM8S208xx

Table 5. Legend/abbreviations for pinout table

Type

I= Input, O = Output, S = Power supply

Level

Input

CM = CMOS

Output HS = High sink

Output speed

O1 = Slow (up to 2 MHz)

O2 = Fast (up to 10 MHz)

O3 = Fast/slow programmability with slow as default state after reset

O4 = Fast/slow programmability with fast as default state after reset

Port and control Input

configuration Output

float = floating, wpu = weak pull-up

T = True open drain, OD = Open drain, PP = Push pull

Reset state

Bold X (pin state after internal reset release)

Unless otherwise specified, the pin state is the same during the reset phase and

after the internal reset release.

Table 6. Pin description

Pin number

Pin name

Input

Output

Default

alternate

function

Alternate

function

after remap

[option bit]

1 1 1 1 1 NRST

I/O

X

Reset

2 2 2 2 2 PA1/OSCIN

I/O X X

O1 X

X

Port A1

Resonator/

crystal in

3 3 3 3 3 PA2/OSCOUT I/O X X X

O1 X

X

Port A2

Resonator/

crystal out

4 4 4 4 - VSSIO_1

S

5 5 5 5 4 VSS

S

6 6 6 6 5 VCAP

S

I/O ground

Digital ground

1.8 V regulator capacitor

7 7 7 7 6 VDD

S

Digital power supply

8 8 8 8 7 VDDIO_1

S

I/O power supply

9 9 9 - - PA3/TIM2_CH3 I/O X X X

O1 X

X

Port A3

Timer 2 -

channel3

TIM3_CH1

[AFR1]

10 10 10 9 - PA4/UART1_RX(1) I/O X X X HS O3 X X Port A4 UART1 receive

11 11 11 10 - PA5/UART1_TX

I/O X X

X

HS O3 X

X

Port A5

UART1

transmit

UART1

12 12 12 11 - PA6/UART1_CK I/O X X X HS O3 X X Port A6 synchronous

clock

13 - - - - PH0

I/O X X

HS O3 X X Port H0

14 - - - - PH1

I/O X X

HS O3 X X Port H1

15 - - - - PH2

I/O X X

O1 X X Port H2

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Doc ID 14733 Rev 12

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