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STM32F405 数据表(PDF) 163 Page - STMicroelectronics

部件名 STM32F405
功能描述  Arm® Cortex®-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash/1924KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera
PDF  204 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F405 数据表(HTML) 163 Page - STMicroelectronics

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DS8626 Rev 9
163/203
STM32F405xx, STM32F407xx
Electrical characteristics
Figure 74. SD default mode
5.3.29
RTC characteristics
CK
D, CMD
(output)
tOVD
tOHD
ai14888
Table 88. Dynamic characteristics: SD / MMC characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fPP
Clock frequency in data transfer mode
0
48
MHz
SDIO_CK/fPCLK2 frequency ratio
-
-
8/3
-
tW(CKL)
Clock low time
fPP = 48 MHz
8.5
9
-
ns
tW(CKH)
Clock high time
fPP = 48 MHz
8.3
10
-
CMD, D inputs (referenced to CK) in MMC and SD HS mode
tISU
Input setup time HS
fPP = 48 MHz
3
-
-
ns
tIH
Input hold time HS
fPP = 48 MHz
0
-
-
CMD, D outputs (referenced to CK) in MMC and SD HS mode
tOV
Output valid time HS
fPP = 48 MHz
-
4.5
6
ns
tOH
Output hold time HS
fPP = 48 MHz
1
-
-
CMD, D inputs (referenced to CK) in SD default mode
tISUD
Input setup time SD
fPP = 24 MHz
1.5
-
-
ns
tIHD
Input hold time SD
fPP = 24 MHz
0.5
-
-
CMD, D outputs (referenced to CK) in SD default mode
tOVD
Output valid default time SD
fPP = 24 MHz
-
4.5
7
ns
tOHD
Output hold default time SD
fPP = 24 MHz
0.5
-
-
1. Guaranteed by characterization.
Table 89. RTC characteristics
Symbol
Parameter
Conditions
Min
Max
-fPCLK1/RTCCLK frequency ratio
Any read/write operation
from/to an RTC register
4-



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