STM32G0 datasheet(106/135 Pages) STMICROELECTRONICS

Part #	STM32G0

Description	Arm® Cortex®-M0 32-bit MCU, up to 128 KB Flash, 36 KB RAM, 4x USART, timers, ADC, DAC, comm. I/Fs, 1.7-3.6V

PDF	135 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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106 / 135 page

Electrical characteristics

STM32G071x8/xB

106/135

DS12232 Rev 4

Figure 31. I2S master timing diagram (Philips protocol)

1. Based on characterization results, not tested in production.

2. LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first

byte.

USART characteristics

Unless otherwise specified, the parameters given in Table 72 for USART are derived from

tests performed under the ambient temperature, fPCLKx frequency and supply voltage

conditions summarized in Table 21: General operating conditions. The additional general

conditions are:

•

OSPEEDRy[1:0] set to 10 (output speed)

•

capacitive load C = 30 pF

•

measurement points at CMOS levels: 0.5 x VDD

Refer to Section 5.3.14: I/O port characteristics for more details on the input/output alternate

function characteristics (NSS, CK, TX, and RX for USART).

MSv39720V1

CPOL = 0

CPOL = 1

tc(CK)

WS output

SDreceive

SDtransmit

tw(CKH)

tw(CKL)

tsu(SD_MR)

tv(SD_MT)

th(SD_MT)

th(WS)

th(SD_MR)

MSB receive

Bitn receive

LSB receive

MSB transmit

Bitn transmit

LSB transmit

tf(CK)

tr(CK)

tv(WS)

LSB receive(2)

LSB transmit(2)

10%

90%

Table 72. USART characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fCK

USART clock frequency

Master mode

MHz

Slave mode

STM32G0 Datasheet(PDF) 106 Page - STMicroelectronics

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