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DP83TC812RRHARQ1

更新时间: 2022-05-14 22:22:36
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DP83TC812x-Q1 TC-10 Compliant 100BASE-T1 Automotive Ethernet PHY

DP83TC812RRHARQ1 数据手册

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DP83TC812S-Q1, DP83TC812R-Q1  
SNLS654A – APRIL 2021 – REVISED DECEMBER 2021  
www.ti.com  
Table 6-1. Pin Functions (continued)  
PIN  
NAME2  
STATE1  
DESCRIPTION  
NO.  
Core Supply: 3.3 V  
VDDA  
11  
SUPPLY  
Recommend using 0.47-µF and 0.01-µF ceramic decoupling capacitors; optional ferrite bead can be used.  
IO Supply: 1.8 V, 2.5 V, or 3.3 V  
VDDIO  
34  
22  
SUPPLY  
Recommend using ferrite bead, 0.47-µF and 0.01-µF ceramic decoupling capacitors.  
Optional MAC Interface Supply: 1.8 V, 2.5 V, or 3.3 V  
Optional separate supply for MAC interface pins. This pin supplies power to the MAC interface pins and can be  
kept at a different voltage level as compared to other IO pins. Recommend using 0.47-µF, and 0.01-µF ceramic  
decoupling capacitors and ferrite bead. When separate VDDMAC is not required in the system then it must be  
connected to VDDIO. When connecting to VDDIO, 0.47-µF on the VDDIO can be removed. 0.47-µF must still be  
connected close to VDDMAC. In this case, one common ferrite bead can be used between VDDIO and VDDMAC.  
VDDMAC  
SUPPLY  
VSLEEP Supply: 3.3 V  
VSLEEP  
7
SUPPLY  
Recommend using 0.1-µF ceramic decoupling capacitors.  
GROUND  
DAP  
GROUND  
Ground: This must always be connected to power ground.  
DO NOT CONNECT  
DNC  
19  
20  
DNC: Do not connect (leave floating)  
DNC: Do not connect (leave floating)  
DNC  
NO CONNECT  
NC  
9
NC: No connection. Can be left floating. Connecting to any signal will have no effect on PHY performance.  
NC: No connection. Can be left floating. Connecting to any signal will have no effect on PHY performance.  
NC  
21  
1. Pin Type:  
I = Input  
O = Output  
IO = Input/Output  
OD = Open Drain  
PD = Internal pulldown  
PU = Internal pullup  
S = Bootstrap configuration pin (all configuration pins have weak internal pullups or pulldowns)  
2. When pins are unused, follow the recommended connection requirements provided in the table above. If  
pins do not have required termination, they may be left floating.  
Copyright © 2021 Texas Instruments Incorporated  
8
Submit Document Feedback  
Product Folder Links: DP83TC812S-Q1 DP83TC812R-Q1  
 
 

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