STM8S007C8 datasheet(22/93 Pages) STMICROELECTRONICS

22 / 93 page

Pinouts and pin descriptions

STM8S007C8

22/93

DS8633 Rev 6

Table 4. Legend/abbreviations for STM8S007C8 pin description table

Type

I = input, O = output, S = power supply

Input

floating

wpu = weak pull-up

Ext. interrupt = external interrupt

Output

HS = high sink

Speed

O1 = Slow (up to 2 MHz)

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

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

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 5. STM8S007C8 pin description

Pin name

Input

Output

Default

alternate

function

Alternate

function

after remap

[option bit]

NRST

I/O -

- Reset

PA1/OSCIN

I/O X

X-

O1 X

X Port A1

Resonator/

crystal in

PA2/OSCOUT

I/O X

O1 X

X Port A2

Resonator/

crystal out

4VSSIO_1

- I/O ground

5VSS

- Digital ground

VCAP

- 1.8 V regulator capacitor

7VDD

- Digital power supply

8VDDIO_1

- I/O power supply

PA3/TIM2_CH3

I/O X

O1 X

X Port A3

Timer 2 -

channel3

TIM3_CH1

[AFR1]

PA4/UART1_RX

(1)

I/O X

XX HS O3 X

X Port A4

UART1

receive

PA5/UART1_TX

I/O X

XX HS O3 X

X Port A5

UART1

transmit

PA6/UART1_CK

I/O X

XX HS O3 X

X Port A6

UART1

synchronous

clock

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