STM8S105K6U3C View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S105K6U3C

Access line, 16 MHz STM8S 8-bit MCU, up to 32 Kbytes Flash, integrated EEPROM,10-bit ADC, timers, UART, SPI, I²C

STMicroelectronics 

Electrical characteristics

STM8S105xx

Figure 42: SPI timing diagram - slave mode and CPHA = 1(1)

NSS input

tSU(NSS)

CPHA=1

CPOL=0

CPHA=1

CPOL=1

tw(SCKH)

tw(SCKL)

MISO

OUT P UT

MOSI

I NPUT

ta(SO)

tsu(SI)

tc(SCK)

tv(SO)

MS B O UT

th(SI)

M SB IN

th(SO)

BI T6 OUT

B I T1 IN

th(NSS)

tr(SCK)

tf(SCK)

tdis(SO)

LSB OUT

LSB IN

ai14135

1. Measurement points are made at CMOS levels: 0.3 VDD and 0.7 VDD.

Figure 43: SPI timing diagram - master mode(1)

High

NSS input

CPHA= 0

CPOL=0

CPHA= 0

CPOL=1

tc(SCK)

CPHA=1

CPOL=0

CPHA=1

CPOL=1

MISO

INP UT

tsu(MI)

MOSI

OUTU T

tw(SCKH)

tw(SCKL)

MS BIN

th(MI)

M SB OUT

tv(MO)

BI T6 IN

B I T1 OUT

th(MO)

tr(SCK)

tf(SCK)

LSB IN

LSB OUT

1. Measurement points are made at CMOS levels: 0.3 VDD and 0.7 VDD.

ai14136

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DocID14771 Rev 9

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