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STM32G474CB 데이터시트(PDF) 128 Page - STMicroelectronics

부품명 STM32G474CB
상세설명  Arm® Cortex®-M4 32b MCUFPU, up to 512 KB Flash, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math accelerator, 184ps 12ch Hi-res timer
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32G474CB 데이터시트(HTML) 128 Page - STMicroelectronics

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Electrical characteristics
STM32G474xB STM32G474xC STM32G474xE
128/232
DS12288 Rev 1
Figure 23. HSI48 frequency versus temperature
Low-speed internal (LSI) RC oscillator
NT jitter
Next transition jitter
Accumulated jitter on 28
cycles(4)
--
+/-0.15(2)
-ns
PT jitter
Paired transition jitter
Accumulated jitter on 56
cycles(4)
--
+/-0.25(2)
-ns
1. VDD = 3 V, TA = –40 to 125°C unless otherwise specified.
2. Guaranteed by design.
3. Guaranteed by characterization results.
4. Jitter measurement are performed without clock source activated in parallel.
Table 48. LSI oscillator characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSI
LSI Frequency
VDD = 3.0 V,
TA = 30 °C
31.04
-
32.96
kHz
VDD = 1.62 to 3.6 V,
TA = -40 to 125 °C
29.5
-
34
tSU(LSI)(2)
LSI oscillator start-up
time
-
-
80
130
μs
Table 47. HSI48 oscillator characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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