Figure 8. AEK-COM-10BASET circuit schematic (7 of 10)

GPIO0

9

RESET_N

10

TXER/ACMA

11

TXCLK/RXPI

12

RXD0/PHYAD2

16

CRS/PHYAD4

15

MDIO

14

MDC

13

VDDAU

25

RBIAS

26

XTI/REFCLKIN

27

XTO

28

WAKE_IN

32

TRXN

31

TRXP

30

VDDA

29

VSS

33

LAN8670

U5

GND

1

2

P1

GND

49.9

R78

49.9

R77

GND

100nF

C88

100nF

C89

1

2

3

4

L5

ACT1210D-131-2P

0

R69

0

R76

100K

R147

100nF

C90

XTI_LAN8670

XTO_LAN8670

1

3

25Mhz

X1

22pF

C97

22pF

C98

GND

GND

GND

XTI_LAN8670

XTO_LAN8670

10nF

C95

100nF

C96

GND

GND

10nF

C92

100nF

C93

10uF

C94

300

L6

GND

GND

GND

Isolated VDDA/VDDAU power island

GND

GND

GND

Isolated VDDP power island

300

L4

10uF

C85

100nF

C86

10nF

C87

3V3_LAN8670

3V3_LAN8670

12.4K

R80

GND

WAKE_IN_LAN8670

COL

CRS

MDC

MDIO

RDATA0

RDATA1

RDATA2

RDATA3

TDATA0

TDATA1

TDATA2

TDATA3

RXCLK

RXDV

RXER

TXCLK

TXEN

TXER

MII_LAN8670

MII_LAN8670

COL

CRS

MDC

MDIO

RDATA0

RDATA1

RDATA2

RDATA3

TDATA0

TDATA1

TDATA2

TDATA3

RXCLK

RXDV

RXER

TXEN

TXER

RDATA0

CRS

MDIO

MDC

TXER

VDDP_LAN8670

10K

R64

GND

TXEN

GND

10K

R79

N.M.

R75

10K

R92

10K

R93

RDATA2

RDATA3

VDDP_LAN8670

GND

MODE[1:0]

RXD2/MODE0 = 1

RXD3/MODE1 = 0

00b reserved

01b MII with 25Mhz crystal

10b RMII with 50Mhz osc.

11b SC-MII with 25Mhz crystal

PHYAD[4:0]

0x00h - 0x1Fh

Assegnazione indirizzo fisico

SMI addess

Default = 0x00h

N.M.

R66

GND

GPIO0

PINCTRL register:

GPIOSS[1:0]:

00: RXPI (Receive packet indication output pulse)

01: TXPI (Transmit packet indication output pulse)

10: RXTXPI (Receive/Transmit packet indication output pulse)

11: ACMA (Application Controlled Media Access input)

VDDP_LAN8670

10K

R86

IRQN_LAN8670

GPIO0

SIGNAL_LAN8670

IRQN_LAN8670

SIGNAL_LAN8670

GND

STR2N2VH5

Q10

10K

R67

GND

Green

D14

GPIO0

3V3_L5963_LDO

0

R62

3V3_LAN8670

GPIO0

3

2

1

JP11

3

2

1

JP12

3

2

1

JP13

3

2

1

JP14

3

2

1

JP15

RDATA1

RDATA0

RXDV

CRS

RXER

10K

R87

10K

R88

10K

R89

10K

R90

GND

10K

R91

VDDP_LAN8670

10K

R84

10K

R85

10K

R81

10K

R82

10K

R83

Default 2-3

N.M.

R71

10K

R70

VDDP_LAN8670

RESET

D15

GND

D16

LAN8670_TRX_N

LAN8670_TRX_P

LAN8670_TRX1_P

LAN8670_TRX1_N

LAN8670_TRX2_P

LAN8670_TRX2_N

3V3_L5963_LDO

0

R72

0

R65

3.9K

R63

TP31

TP32

10K

R68

VDDP_LAN8670

VDDP_LAN8670

VDDAU_LAN8670

VDDA_LAN8670

GND

GND

100nF

C83

10nF

C84

Isolated VDDP power island

3V3_L5963_LDO

TXCLK

TXCLK

5V_L5963

5V_L5963

5V_L5963

5V_L5963

TP19

TP10