
REALTEK GIGA LAN
LAN_DVDD
Schematic Diagrams
| RLANVCC1.3 L83 2 | 1 | BK2125HS121 | 40 mil | 
| 
 | 
C687 C688 C689 C690 C691 C692 C693
| 10U/6.3V | 0.1U | 
 | 
 | 
 | 
 | 
| 10U/6.3V | 0.1U | 0.1U | 0.1U | 0.1U | |
| 100 mil | RLANVDD3 | 
| 
 | 
| +3V | L84 | BK2125HS121 | 
| 
 | 
 | 
C694 C695 
 0.1U
0.1U
10U/6.3V
LAN_AVDDL
| RLANVCC2.5 | L85 1 | 
 | 2 BK2125HS121 | 
 | 40 mil | 
 | 
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 | |||
| 
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| 
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 | C696 | C697 | C698 | C699 | ||
| 
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 | 0.1U | 0.1U | 0.1U | 
 | |
| 
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 | 10U/6.3V | 
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 | |
| 
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 | U41 | 3 7 16 20 | |
| 
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 | AVDDL AVDDL AVDDL AVDDL | ||
| 
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 | C700 | *10P | 
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| 
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 | R536 | *10 | 
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| 2 | PCLKLAN | 
 | R538 | 0 | 
 | 28 | CLK | 
 | |||
| 
 | R539 | *0 | 
 | 
 | 
 | ||||||
| 11,15,17 | PIRQ#E | 
 | 
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 | 
 | |||||
| R541 | 0 | 
 | 25 | 
 | 
 | 
 | |||||
| 11,15,17 | PIRQ#F | 
 | INTAB | 
 | |||||||
| 
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 | PRST# | 
 | 27 | 
 | ||||||
| 
 | 11,15,17,24 | PRST# | 
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 | RSTB | 
 | |||||
| 
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 | PAR | 
 | 76 | 
 | ||||||
| 
 | 11,15,17 | 
 | PAR | 
 | 
 | PAR | 
 | ||||
| 
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 | FRAME# | 
 | 61 | 
 | |||||
| 
 | 11,15,17 FRAME# | 
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 | FRAMEB | |||||||
| 
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 | IRDY# | 
 | 63 | |||||||
| 
 | 11,15,17 | 
 | IRDY# | 
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 | IRDYB | 
 | ||||
| 
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 | TRDY# | 
 | 67 | 
 | |||||
| 
 | 11,15,17 | TRDY# | 
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 | TRDYB | 
 | |||||
| 
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 | DEVSEL# | 
 | 68 | 
 | ||||||
| 
 | 11,15,17 DEVSEL# | 
 | 
 | DEVSELB | |||||||
| 
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 | STOP# | 
 | 69 | |||||||
| 
 | 11,15,17 | 
 | STOP# | 
 | 
 | STOPB | 
 | ||||
| 
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 | PERR# | 
 | 70 | 
 | |||||
| 
 | 11,15,17 | 
 | PERR# | 
 | 
 | PERRB | 
 | ||||
| 
 | 
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 | SERR# | 
 | 75 | 
 | |||||
| 
 | 11,15,17 | 
 | SERR# | 
 | 
 | SERRB | 
 | ||||
| 
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 | R542 | 100 | 
 | 46 | 
 | |||||
| 
 | 11,15,17 | AD21 | 
 | 
 | IDSEL | 
 | |||||
| 
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 | PREQ#2 | 
 | 30 | 
 | |||||
| 
 | 11 | PREQ#1 | 
 | 
 | REQB | 
 | |||||
| 
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 | PGNT#2 | 
 | 29 | 
 | ||||||
| 
 | 11 | PGNT#1 | 
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 | GNTB | 
 | |||||
| 
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 | PME# | 
 | 31 | 
 | ||||||
| 
 | 11,15,17,19,25 | PME# | 
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 | PMEB | 
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| 
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| 
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 | R545 | 10K | 
 | 65 | CLKRUNB | ||
| 
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 | R548 | 2.49K_1% 127 | |||||
| 
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 | RSET | 
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| 
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| 11,15,17 C/BE#[0..3] | C/BE#[0..3] | 
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| 
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 | C/BE#0 | 
 | 92 | CBE0B | 
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| 
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 | C/BE#1 | 
 | 77 | 
 | ||
| 
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 | CBE1B | 
 | |||
| 
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 | C/BE#2 | 
 | 60 | 
 | ||
| 
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 | CBE2B | 
 | |||
| 
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 | C/BE#3 | 
 | 44 | 
 | ||
| 
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 | AD[0..31] | 
 | CBE3B | 
 | |||
| 
 | 11,15,17 | AD[0..31] | 
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| 
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| 
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| 
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 | AD0 | 104 | AD0 | 
 | ||
| 
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 | AD1 | 103 | 
 | |||
| 
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 | AD1 | 
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| 
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 | AD2 | 102 | 
 | |||
| 
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 | AD2 | 
 | ||||
| 
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 | AD3 | 
 | 98 | 
 | ||
| 
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 | AD3 | 
 | |||
| 
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 | AD4 | 
 | 97 | 
 | ||
| 
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 | AD5 | 
 | 96 | AD4 | 
 | |
| 
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 | AD5 | 
 | |||
| 
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 | AD6 | 
 | 95 | 
 | ||
| 
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 | AD6 | 
 | |||
| 
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 | AD7 | 
 | 93 | 
 | ||
| 
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 | AD7 | 
 | |||
| 
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 | AD8 | 
 | 90 | 
 | ||
| 
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 | AD8 | 
 | |||
| 
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 | AD9 | 
 | 89 | 
 | ||
| 
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 | AD9 | 
 | |||
| 
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 | AD10 | 
 | 87 | 
 | ||
| 
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 | AD10 | 
 | |||
| 
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 | AD11 | 
 | 86 | 
 | ||
| 
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 | AD11 | 
 | |||
| 
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 | AD12 | 
 | 85 | 
 | ||
| 
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 | AD12 | 
 | |||
| 
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 | AD13 | 
 | 83 | 
 | ||
| 
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 | AD13 | 
 | |||
| 
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 | AD14 | 
 | 82 | 
 | ||
| 
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 | AD14 | 
 | |||
| 
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 | AD15 | 
 | 79 | 
 | ||
| 
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 | AD15 | 
 | |||
| 
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 | AD16 | 
 | 59 | 
 | ||
| 
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 | AD16 | 
 | |||
| 
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 | AD17 | 
 | 58 | 
 | ||
| 
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 | AD17 | 
 | |||
| 
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 | AD18 | 
 | 57 | 
 | ||
| 
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 | AD18 | 
 | |||
| 
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 | AD19 | 
 | 55 | 
 | ||
| 
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 | AD19 | 
 | |||
| 
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 | AD20 | 
 | 53 | 
 | ||
| 
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 | AD20 | 
 | |||
| 
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 | AD21 | 
 | 50 | 
 | ||
| 
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 | AD21 | 
 | |||
| 
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 | AD22 | 
 | 49 | 
 | ||
| 
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 | AD22 | 
 | |||
| 
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 | AD23 | 
 | 47 | 
 | ||
| 
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 | AD23 | 
 | |||
| 
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 | AD24 | 
 | 43 | 
 | ||
| 
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 | AD24 | 
 | |||
| 
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 | AD25 | 
 | 42 | 
 | ||
| 
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 | AD25 | 
 | |||
| 
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 | AD26 | 
 | 40 | 
 | ||
| 
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 | AD26 | 
 | |||
| 
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 | AD27 | 
 | 39 | 
 | ||
| 
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 | AD27 | 
 | |||
| 
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 | AD28 | 
 | 37 | 
 | ||
| 
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 | AD28 | 
 | |||
| 
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 | AD29 | 
 | 36 | 
 | ||
| 
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 | AD29 | 
 | |||
| 
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 | AD30 | 
 | 34 | 
 | ||
| 
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 | AD30 | 
 | |||
| 
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 | AD31 | 
 | 33 | 
 | ||
| 
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 | AD31 | 
 | |||
24 VDD18 32 VDD18 45 VDD18 54 VDD18 64 VDD18 78 VDD18 99 VDD18 110 VDD18 116 VDD18
RTL8110SBL
RLANVDD3
40 mil
| 26 | 41 | 56 | 71 | 84 | 94 | 107 | 
 | 
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 | 
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 | 
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| VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 | R537 | 0 | RLANVDD3 | ||||||||||
| 
 | 
 | 
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 | |
| HSDAC- | 12 | C701 | 0.1U | |
| 11 | R540 | 0 | ||
| HSDAC+ | ||||
| 
 | 
 | 
 | 
| 
 | 
 | LAN_AVDDH | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| AVDDH | 10 | L86 1 | 2 | BK2125HS121 | RLANVDD3 | 
 | 
 | 40 mil | |
| 120 | 
 | 
 | 
 | 
 | 
 | 
 | |||
| HV | C702 | 0.1U | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
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 | ||||
| 
 | 
 | 
 | 
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 | R543 | 0 | V_DAC_R | ||
| 
 | 
 | C703 | 0.1U | 
 | 
 | RLANVCC2.5 | |||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | |||
| 
 | 
 | 
 | 
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 | R544 | *0 | 
 | ||
| 
 | 
 | LAN_DVDD | 
 | 
 | 
 | RLANVCC1.3 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||
| 
 | 
 | If LA NC 93C46 is used | 
 | 
 | 
 | ||||
| LV2 | 126 | 
 | 
 | 
 | 
 | ||||
| 
 | C704 | 0.1U | If LA 1K 93C56 is used | 
 | 
 | 
 | |||
| 
 | R546 | *10K | R547 | LA *1K | RLANVDD3 | 
 | 
 | 
 | |
| 
 | 
 | 
 | R549 | 
 | 5.6K | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
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 | ||
| 
 | 
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 | R550 | 
 | *5.6K | RLANVDD3 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
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 | |
| 
 | 106 | EECS | 
 | 
 | 1 | U42 | 
 | 8 | 
 | 
 | 
 | 
 | 
| EECS | 
 | 
 | CS | VCC | 
 | 
 | 
 | 
 | ||||
| 111 | MA2/EESK | 
 | 2 | 7 | 
 | 
 | 
 | 
 | ||||
| EESK | 109 | MA1/EEDI | 
 | 3 | SK | NC | 6 | C705 | 
 | 
 | 
 | |
| EEDI | 108 | MA0/EEDO | 
 | 4 | DI | NC | 5 | 
 | 
 | 
 | 
 | |
| EEDO | 
 | 
 | 
 | 
 | 
 | DO | GND | 
 | 0.1U | 
 | 
 | 
 | 
| 
 | 74 | R551 | *0 | 
 | SMBDATA | 9346 | 
 | 
 | 
 | 
 | 
 | 
 | 
| SMBDATA | 
 | SMBDATA 2,8,9,11,19,21 | 
 | 
 | 
 | 
 | ||||||
| 72 | R552 | *0 | 
 | SMBCLK | 
 | 
 | 
 | 
 | ||||
| SMBCLK | 
 | SMBCLK 2,8,9,11,19,21 | 
 | 
 | 
 | 
 | ||||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||||
| 
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 | R553 | 
 | 1K | +3VS | 
 | 
 | 
 | 
 | 
 | 
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| 
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 | 
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 | |
| ISOLATEB | 23 | R554 | 
 | *15 | 
 | 
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 | 
 | 
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| 
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 | |
| MDI0+ | 1 | 
 | 
 | 
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 | 
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 | MDIO0+ | MDIO0+ | 19 | 
| 2 | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO0- | |||
| MDI0- | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO0- | 19 | ||
| 5 | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO1+ | |||
| MDI1+ | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO1+ | 19 | ||
| 6 | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO1- | |||
| MDI1- | 
 | 
 | 
 | 
 | 
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 | MDIO1- | 19 | ||
| 14 | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO2+ | |||
| MDI2+ | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO2+ | 19 | ||
| 15 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | MDIO2- | |||
| MDI2- | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO2- | 19 | ||
| 18 | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO3+ | |||
| MDI3+ | 
 | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO3+ | 19 | ||
| 19 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | MDIO3- | |||
| MDI3- | 
 | 
 | 
 | 
 | 
 | 
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 | MDIO3- | 19 | ||
| 
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 | |||
| 
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 | R557 | 
 | R559 | R561 | R563 | 
 | 
 | 
| M66EN | 88 | R555 | 1K | 
 | R556 | 49.9 | 
 | 49.9 | 49.9 | 49.9 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 49.9 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 121 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| XTAL1 | 
 | 
 | 
 | 
 | R558 | R560 | R562 | 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 49.9 | 49.9 | 49.9 | 
 | 
 | 
 | |
| XTAL2 | 122 | 
 | 
 | 
 | 
| C710 | C711 | C712 | C713 | 
| CTRL25 | 8 | RCTRL25 | Y8 | 25MHz | 
 | 
 | 
 | 
| 125 | RCTRL13 | 
 | 0.01U | 0.01U | 0.01U | 0.01U | |
| CTRL18 | 
 | ||||||
| 105 | 
 | 
 | 
 | 
 | 
 | 
 | |
| LWAKE | 
 | 
 | 
 | 
 | 
 | 
 | |
| 117 | 
 | C718 | C719 | 
 | 
 | 
 | |
| LED0 | 
 | 
 | 
 | 
 | |||
| 115 | 
 | 
 | 
 | 
 | 
 | 
 | |
| LED1 | 
 | 27P | 27P | 
 | 
 | 
 | |
| 114 | 
 | 
 | 
 | 
 | |||
| LED2 | 
 | 
 | 
 | 
 | |||
| 113 | 
 | 
 | 
 | 
 | 
 | 
 | |
| LED3 | 
 | 
 | 
 | 
 | 
 | 
 | 
| V_DAC_R | 19 | 
 | 
 | |
| 
 | 
 | RCTRL25 | 
 | 
 | 
| +3V | Q30 | 
 | 40 mil | RLANVCC2.5 | 
| 
 | 2SB1188 | 
 | ||
| 
 | 1 | 
 | ||
| 
 | 
 | 
 | ||
| C707 | 
 | + C706 | C708 | C709 | 
| 
 | 
 | 
 | 
 | 0.1U | 
| 10U/6.3V | 
 | 220UF/6.3V | 10U/6.3V | |
| 
 | 2 | 
 | 
 | |
| RLANVCC2.5 | 
 | 
 | 
 | |
| PC218 | PC219 | PC220 | PC221 | 
 | 
| 0.1UF | 0.1UF | 0.1UF | 0.1UF | 
 | 
| 
 | 
 | RCTRL13 | 
 | |
| +3V | Q31 | RLANVCC1.3 | ||
| 
 | 2SB1188 | 40 mil | 
 | |
| 
 | 1 | 
 | ||
| 
 | 
 | 
 | ||
| C715 | 
 | + C714 | C716 | C717 | 
| 10U/6.3V | 
 | 220UF | 10U/6.3V | 0.1U | 
| 
 | 
 | |||
| 
 | 2 | 
 | 
 | |
| RLANVCC1.3 | 
 | 
 | 
 | |
| PC222 | PC223 | PC224 | PC225 | 
 | 
| 0.1UF | 0.1UF | 0.1UF | 0.1UF | 
 | 
Sheet 18 of 40
REALTEK GIGA
LAN
B.Schematic Diagrams
| RLANVDD3 | 
 | 
 | 
 | GND GND GND GND GND GND GND GND GND GND GND1 | VSS VSS VSS VSS VSS | 
| 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 22 35 48 52 62 73 80 100 112 118 129 | 4 9 17 13 128 | 
| C720 | C721 | C722 | C723 | C724 | 
 | 
| 0.1U | 0.1U | 0.1U | 0.1U | 0.1U | 
 | 
| VSSPST VSSPST VSSPST VSSPST VSSPST VSSPST VSSPST VSSPST | HG LG2 | |||||||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 21 | 38 | 51 | 66 | 81 | 91 | 101 | 119 | 
 | 123 | 124 | 
| 
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| 
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REALTEK GIGA LAN B - 19