STM32F479AI datasheet(187/208 Pages) STMICROELECTRONICS

Part #	STM32F479AI

Description	8- to 14-bit parallel camera interface up to 54 Mbytes

PDF	208 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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187 / 208 page

DocID028010 Rev 2

187/208

STM32F479xx

Electrical characteristics

187

5.3.34

RTC characteristics

Table 112. Dynamic characteristics: SD / MMC characteristics, VDD = 1.71 to 1.9 V(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPP

Clock frequency in data transfer mode

MHz

SDIO_CK/fPCLK2 frequency ratio

8/3

tW(CKL)

Clock low time

fpp =50 MHz

9.5

10.5

tW(CKH)

Clock high time

8.5

9.5

CMD, D inputs (referenced to CK) in eMMC mode

tISU

Input setup time HS

fpp =50 MHz

0.5

tIH

Input hold time HS

3.5

CMD, D outputs (referenced to CK) in eMMC mode

tOV

Output valid time HS

fpp =50 MHz

13.5

14.5

tOH

Output hold time HS

13.0

1. Guaranteed based on test during characterization.

2. Cload = 20 pF.

Table 113. RTC characteristics

Symbol

Parameter

Conditions

Min

Max

-fPCLK1/RTCCLK frequency ratio Any read/write operation from/to an RTC register

STM32F479AI Datasheet(PDF) 187 Page - STMicroelectronics

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