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STM32L433CB 데이터시트(PDF) 183 Page - STMicroelectronics

부품명 STM32L433CB
상세설명  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, ext. SMPS
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32L433CB 데이터시트(HTML) 183 Page - STMicroelectronics

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DS11449 Rev 5
183/225
STM32L433xx
Electrical characteristics
193
Figure 34. SPI timing diagram - slave mode and CPHA = 0
tv(SO)
Data output valid time
Slave mode 2.7 < VDD < 3.6 V
Voltage Range 1
-
12.5
13.5
ns
Slave mode 1.71 < VDD < 3.6 V
Voltage Range 1
-12.5
24
Slave mode 1.71 < VDD < 3.6 V
Voltage Range 2
-12.5
33
tv(MO)
Master mode
-
4.5
6
th(SO)
Data output hold time
Slave mode
7
-
-
ns
th(MO)
Master mode
0
-
-
1. Guaranteed by characterization results.
2. 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 95. SPI 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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