STM8S103F2 datasheet(82/117 Pages) STMICROELECTRONICS

部件名	STM8S103F2

功能描述	Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C

PDF	117 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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82 / 117 page

Figure 38: Recommended reset pin protection

External

reset

circuit

(optional)

0.1 μF

NRST

VDD

RPU

Filter

Internal reset

STM8

SPI serial peripheral interface

10.3.8

Unless otherwise specified, the parameters given in the following table are derived from tests

performed under ambient temperature, fMASTER frequency and VDD supply voltage conditions.

tMASTER = 1/fMASTER.

Refer to I/O port characteristics for more details on the input/output alternate function

characteristics (NSS, SCK, MOSI, MISO).

Table 43: SPI characteristics

Unit

Max

Min

Conditions

(1)

Parameter

Symbol

MHz

Master mode

SPI clock

frequency

fSCK1/

tc(SCK)

MHz

(2)

SPI clock frequency

fSCK1/ tc(SCK)

fSCK1/

tc(SCK)

Capacitive load: C = 30 pF

SPI clock rise and

fall time

tr(SCK)

tf(SCK)

4 x

tMASTER

Slave mode

NSS setup time

tsu(NSS)

(3)

Slave mode

NSS hold time

th(NSS)

(3)

tSCK/

2 +15

tSCK/

2 - 15

Master mode

SCK high and low

time

tw(SCKH)

(3)

tw(SCKL)

(3)

Master mode

Data input setup

time

tsu(MI)

(3)

tsu(SI)

(3)

Slave mode

Master mode

Data input hold

time

th(MI)

(3)

th(SI)

(3)

Slave mode

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