STM32F479AI datasheet(174/208 Pages) STMICROELECTRONICS

tên linh kiện	STM32F479AI

Giải thích chi tiết về linh kiện	8- to 14-bit parallel camera interface up to 54 Mbytes

PDF	208 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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174 / 208 page

Electrical characteristics

STM32F479xx

174/208

DocID028010 Rev 2

Figure 64. Synchronous non-multiplexed PSRAM write timings

Table 100. Synchronous non-multiplexed PSRAM write timings(1)

1. Based on test during characterization.

Symbol

Parameter

Min

Max

Unit

t(CLK)

FMC_CLK period

2THCLK − 1

td(CLKL-NExL) FMC_CLK low to FMC_NEx low (x=0…2)

0.5

t(CLKH-NExH)

FMC_CLK high to FMC_NEx high (x= 0…2)

THCLK

td(CLKL-NADVL) FMC_CLK low to FMC_NADV low

td(CLKL-NADVH) FMC_CLK low to FMC_NADV high

td(CLKL-AV)

FMC_CLK low to FMC_Ax valid (x=16…25)

td(CLKH-AIV)

FMC_CLK high to FMC_Ax invalid (x=16…25)

td(CLKL-NWEL) FMC_CLK low to FMC_NWE low

td(CLKH-NWEH) FMC_CLK high to FMC_NWE high

THCLK−0.5

td(CLKL-Data)

FMC_D[15:0] valid data after FMC_CLK low

2.5

td(CLKL-NBLL) FMC_CLK low to FMC_NBL low

td(CLKH-NBLH) FMC_CLK high to FMC_NBL high

THCLK−0.5

tsu(NWAIT-CLKH) FMC_NWAIT valid before FMC_CLK high

th(CLKH-NWAIT) FMC_NWAIT valid after FMC_CLK high

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