STM32F405REH6TR 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

STM32F405REH6TR

ARM Cortex-M4 32b MCU+FPU, 210DMIPS, up to 1MB Flash/192+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F405xx, STM32F407xx

Electrical characteristics

Figure 75. SD default mode

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

SDIO_CK/fPCLK2 frequency ratio

tW(CKL)

Clock low time

fpp = 48 MHz

tW(CKH)

Clock high time

fpp = 48 MHz

CMD, D inputs (referenced to CK) in MMC and SD HS mode

tISU

Input setup time HS

fpp = 48 MHz

tIH

Input hold time HS

fpp = 48 MHz

CMD, D outputs (referenced to CK) in MMC and SD HS mode

tOV

Output valid time HS

tOH

Output hold time HS

CMD, D inputs (referenced to CK) in SD default mode

fpp = 48 MHz

fpp = 48 MHz

tISUD

Input setup time SD

tIHD

Input hold time SD

CMD, D outputs (referenced to CK) in SD default mode

fpp = 24 MHz

fpp = 24 MHz

tOVD

tOHD

Output valid default time SD

Output hold default time SD

fpp = 24 MHz

fpp = 24 MHz

1. Data based on characterization results, not tested in production.

0

48 MHz

-

-

8/3

-

8.5

9

-

ns

8.3

10

-

3

-

-

ns

0

-

-

-

4.5

6

ns

1

-

-

1.5

-

-

ns

0.5

-

-

-

4.5

7

ns

0.5

-

-

5.3.28 RTC characteristics

Table 89. RTC characteristics

Symbol

Parameter

Conditions

Min

Max

-

fPCLK1/RTCCLK frequency ratio

Any read/write operation

from/to an RTC register

4

-

DocID022152 Rev 4

157/185

Share Link: