Texas Instruments DP83TC812EVM-MC, User Manual, Page: 7 / 22

3 Board Setup Details
3.1 Block Diagram
VBAT
Wide Vin 3.3V
Regulator
DC-DC 5V
DP83TC812
VDDA VDDIO VDDMAC VSLEEP
DP83867
VDD1P0 VDD2P5 VDDIO
2.5V LDO 3.3V LDO
RJ-45 w/
Integrated
Magnetics
CMC
Automotive
Connector
25MHz Crystal Clk
Source
Status LEDs
PHY ID + RGMII
Straps
25MHz Crystal Clk
Source or SMA
Status LEDs
PHY ID + RGMII
Straps
CLKOUT
MSP430F5528
USB2MDIO
USB
MDIO MDC
RGMII
1.0V LDO
Figure 3-1. DP83TC812EVM-MC Block Diagram
3.2 Configuration Options
3.2.1 Clock Configuration
• Onboard Clock
– The onboard crystal is enabled by default
• External Clock
– Remove R97 and Y1
– Populate R26 with a 0-Ω resistor
– Use the SMA labeled CLK_IN to input the external clock source
www.ti.com Board Setup Details
SNLU292A – NOVEMBER 2020 – REVISED MARCH 2022
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DP83TC812EVM-MC User's Guide 7
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