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32G474 データシート(PDF) 175 Page - STMicroelectronics

部品番号 32G474
部品情報  Arm® Cortex®-M4 32-bit MCUFPU, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math acc, 184 ps 12 chan Hi-res timer
PDF  236 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

32G474 データシート(HTML) 175 Page - STMicroelectronics

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DS12288 Rev 4
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STM32G474xB STM32G474xC STM32G474xE
Electrical characteristics
201
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
12
ns
Slave mode
1.71 V < VDD < 3.6 V
Voltage Range V1
-9
18
Slave mode
1.71 V < VDD < 3.6 V
Voltage Range V2
-13
22
tv(MO)
Master mode
-
3.5
4.5
th(SO)
Data output hold time
Slave mode 1.71 V < VDD < 3.6 V
6
-
-
Slave mode Range V2
9
-
-
th(MO)
Master mode
2
-
-
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 89. 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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