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STM32H723VG 데이터시트(PDF) 205 Page - STMicroelectronics

부품명 STM32H723VG
상세설명  32-bit Arm® Cortex®-M7 550 MHz MCU, up to 1 MB Flash memory, 564 KB RAM, 35 comms peripherals and analog interfaces
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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STM32H723VG 데이터시트(HTML) 205 Page - STMicroelectronics

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DS13313 Rev 2
205/227
STM32H723xE/G
Electrical characteristics
208
Ethernet interface characteristics
Unless otherwise specified, the parameters given in Table 115, Table 116 and Table 117 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 12: 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 6.3.16: I/O port characteristics for more details on the input/output
characteristics:
Figure 60. Ethernet SMI timing diagram
Table 115. 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
-
-
MS31384V1
ETH_MDC
ETH_MDIO(O)
ETH_MDIO(I)
tMDC
td(MDIO)
tsu(MDIO)
th(MDIO)



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