STM32F205RB datasheet(136/163 Pages) STMICROELECTRONICS

tên linh kiện	STM32F205RB

Giải thích chi tiết về linh kiện	ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM

PDF	163 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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136 / 163 page

Electrical characteristics

STM32F205xx, STM32F207xx

136/163

Doc ID 15818 Rev 7

5.3.26

Camera interface (DCMI) timing specifications

5.3.27

SD/SDIO MMC card host interface (SDIO) characteristics

Unless otherwise specified, the parameters given in Table 78 are derived from tests

performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions

summarized in Table 10.

Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate

function characteristics (D[7:0], CMD, CK).

Figure 72.

SDIO high-speed mode

td(ALE-NWE)

(3) FSMC_ALE valid before FSMC_NWE low

3THCLK + 1.5 ns

th(NWE-ALE)

(3) FSMC_NWE high to FSMC_ALE invalid

3THCLK + 4.5

td(ALE-NOE)

(3)

FSMC_ALE valid before FSMC_NOE low

3THCLK + 2

th(NOE-ALE)

(3)

FSMC_NWE high to FSMC_ALE invalid

3THCLK + 4.5

CL = 15 pF.

Based on characterization, not tested in production.

Guaranteed by design, not tested in production.

Table 76.

Switching characteristics for NAND Flash read and write cycles(1)

Symbol

Parameter

Min

Max

Unit

Table 77.

DCMI characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

Frequency ratio

DCMI_PIXCLK/

fHCLK

DCMI_PIXCLK=

48 MHz

2.5

tW(CKH)

D, CMD

(output)

D, CMD

(input)

tW(CKL)

tOV

tOH

tISU

tIH

ai14887

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