32G431 datasheet(153/198 Pages) STMICROELECTRONICS

Part #	32G431

Description	Arm® Cortex®-M4 32-bit MCUFPU, 170 MHz /213 DMIPS,up to 128 KB Flash, 32 KB SRAM, rich analog, math accelerator

PDF	198 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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153 / 198 page

DS12589 Rev 6

153/198

STM32G431x6 STM32G431x8 STM32G431xB

Electrical characteristics

160

Figure 35. SPI timing diagram - slave mode and CPHA = 0

tv(SO)

Data output valid time

Slave mode

2.7 V < VDD < 3.6 V

Voltage Range V1

-9

Slave mode

1.71 V < VDD < 3.6 V

Voltage Range V1

-9

Slave mode

1.71 V < VDD < 3.6 V

Voltage Range V2

-13

tv(MO)

Master mode

3.5

4.5

th(SO)

Data output hold time

Slave mode 1.71 V < VDD < 3.6 V

Slave mode Range V2

th(MO)

Master mode

1. Guaranteed by characterization results.

2. The maximum frequency in Slave transmitter mode is determined by the sum of tv(SO) and tsu(MI) which has to fit into

SCK low or high-phase preceding the SCK sampling edge. This value can be achieved when the SPI communicates with a

master having tsu(MI) = 0 while Duty(SCK) = 50%.

Table 83. SPI characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max(2)

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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