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STM32L552CCT3PTR Datasheet(PDF) 305 Page - STMicroelectronics

Part # STM32L552CCT3PTR
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L552CCT3PTR Datasheet(HTML) 305 Page - STMicroelectronics

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DS12737 Rev 6
305/340
STM32L552xx
Electrical characteristics
307
CMD, D outputs (referenced to CK) in SD default mode
tOVD
Output valid default time SD
-
-
1
2.5
ns
tOHD
Output hold default time SD
-
0.5
-
-
1. Guaranteed by characterization results.
2. For SD 1.8 V support, an external voltage converter is needed.
Table 151. Dynamics characteristics: eMMC characteristics VDD=1.71 V to 1.9 V(1)(2)
1. Guaranteed by characterization results.
2. Cload=20 pF.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fPP
Clock frequency in data transfer
mode
-0
-
52
MHz
-
SDIO_CK/fPCLK2 frequency ratio
-
-
-
8/3
-
tW(CKL)
Clock low time
fpp =52 MHz
8.5
9.5
-
ns
tW(CKH)
Clock high time
fpp =52 MHz
8.5
9.5
-
CMD, D inputs (referenced to CK) in eMMC mode
tISU
Input setup time HS
-
2.5
-
-
ns
tIH
Input hold time HS
-
2
-
-
CMD, D outputs (referenced to CK) in eMMC mode
tOV
Output valid time HS
-
-
5.5
6.5
ns
tOH
Output hold time HS
-
4
-
-
Table 150. Dynamics characteristics: SD / eMMC characteristics,
VDD=2.7V to 3.6 V(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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