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STM32G070KB Folha de dados(PDF) 79 Page - STMicroelectronics

Nome de Peças STM32G070KB
Descrição Electrónicos  Arm® Cortex®-M0 32-bit MCU, 128 KB Flash, 36 KB RAM, 4x USART, timers, ADC, comm. I/Fs, 2.0-3.6V
PDF  93 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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STM32G070KB Folha de dados(HTML) 79 Page - STMicroelectronics

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DS12766 Rev 2
79/93
STM32G070CB/KB/RB
Electrical characteristics
80
Figure 24. 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 64 for USART are derived from
tests performed under the ambient temperature, fPCLKx frequency and supply voltage
conditions summarized in Table 20: 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 64. USART characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCK
USART clock frequency
Master mode
-
-
8
MHz
Slave mode
-
-
21



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