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STM32L412R8T3PTR 数据表(PDF) 161 Page - STMicroelectronics

部件名 STM32L412R8T3PTR
功能描述  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS
PDF  192 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L412R8T3PTR 数据表(HTML) 161 Page - STMicroelectronics

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DS12469 Rev 8
161/192
STM32L412xx
Electrical characteristics
164
Figure 34. SPI timing diagram - slave mode and CPHA = 1
1. Measurement points are done at CMOS levels: 0.3 VDD and 0.7 VDD.
Figure 35. SPI timing diagram - master mode
1. Measurement points are done at CMOS levels: 0.3 VDD and 0.7 VDD.
MSv41659V1
NSS input
CPHA=1
CPOL=0
CPHA=1
CPOL=1
MISO output
MOSI input
tsu(SI)
th(SI)
tw(SCKL)
tw(SCKH)
tsu(NSS)
tc(SCK)
ta(SO)
tv(SO)
First bit OUT
Next bits OUT
Next bits IN
Last bit OUT
th(SO)
tr(SCK)
tf(SCK)
th(NSS)
tdis(SO)
First bit IN
Last bit IN
ai14136c
CPHA= 0
MOSI
OUTPUT
MISO
INP UT
CPHA= 0
LSB OUT
LSB IN
CPOL=0
CPOL=1
B I T1 OUT
NSS input
tc(SCK)
tw(SCKH)
tw(SCKL)
tr(SCK)
tf(SCK)
th(MI)
High
CPHA=1
CPHA=1
CPOL=0
CPOL=1
tsu(MI)
tv(MO)
th(MO)
MSB IN
BIT6 IN
MSB OUT



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