STM32F730Z8 datasheet(151/202 Pages) STMICROELECTRONICS

151 / 202 page

DS12536 Rev 2

151/202

STM32F730x8

Electrical characteristics

185

Figure 44. SPI timing diagram - slave mode and CPHA = 0

tsu(MI)

Data input setup time

Master mode

tsu(SI)

Slave mode

3.5

th(MI)

Data input hold time

Master mode

th(SI)

Slave mode

ta(SO)

Data output access time

Slave mode

tdis(SO)

Data output disable time

Slave mode

tv(SO)

Data output valid time

Slave mode 2.7≤VDD≤3.6V

6.5

Slave mode 1.71≤VDD≤3.6V

6.5

13.5

tv(MO)

Master mode

th(SO)

Data output hold time

Slave mode

1.71≤VDD≤3.6V

4.5

th(MO)

Master mode

1. Guaranteed by characterization results.

2. Excepting SPI1 with SCK IO=PA5. In this configuration, the maximum achievable frequency is 40 MHz.

3. Maximum frequency of the slave transmitter is determined by sum of Tv(SO) and Tsu(MI) intervals which has to fit into SCK

level phase preceding the SCK sampling edge.This value can be achieved when it communicates with a Master having

Tsu(MI)=0 while signal Duty(SCK)=50%.

Table 81. SPI dynamic characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

MSv41658V1

NSS input

CPHA=0

CPOL=0

CPHA=0

CPOL=1

MISO output

MOSI input

tsu(SI)

th(SI)

tw(SCKL)

tw(SCKH)

tc(SCK)

tr(SCK)

th(NSS)

tdis(SO)

tsu(NSS)

ta(SO)

tv(SO)

Next bits IN

Last bit OUT

First bit IN

First bit OUT

Next bits OUT

th(SO)

tf(SCK)

Last bit IN

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