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STM32H7 Datasheet(PDF) 316 Page - STMicroelectronics

Part # STM32H7
Description  32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces
PDF  357 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H7 Datasheet(HTML) 316 Page - STMicroelectronics

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Electrical characteristics (rev V)
STM32H742xI/G STM32H743xI/G
316/357
DS12110 Rev 10
Figure 114. ULPI timing diagram
Ethernet interface characteristics
Unless otherwise specified, the parameters given in Table 213, Table 214 and Table 215 for
SMI, RMII and MII are derived from tests performed under the ambient temperature,
frcc_c_ck frequency and VDD supply voltage conditions summarized in Table 122: General
operating conditions, with the following configuration:
•
Output speed is set to OSPEEDRy[1:0] = 10
•
Capacitive load CL=20 pF
•
Measurement points are done at CMOS levels: 0.5VDD
•
IO Compensation cell activated.
•
HSLV activated when VDD ≤ 2.7 V
•
VOS level set to VOS1
Refer to Section 7.3.15: I/O port characteristics for more details on the input/output
characteristics:
1. Guaranteed by characterization results.
2. When using PC2_C/PC3_C.
Table 213. Dynamics characteristics: Ethernet MAC signals for SMI (1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Typ
Max
Unit
tMDC
MDC cycle time( 2.5 MHz)
400
400
403
ns
Td(MDIO)
Write data valid time
0.5
1.5
4
tsu(MDIO)
Read data setup time
12.5
-
-
th(MDIO)
Read data hold time
0
-
-
Clock
Control In
(ULPI_DIR,
ULPI_NXT)
data In
(8-bit)
Control out
(ULPI_STP)
data out
(8-bit)
tDD
tDC
tHD
tSD
tHC
tSC
ai17361c
tDC



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