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ENC424J600

Stand-Alone 10/100 Ethernet Controller with SPI or Parallel Interface

Microchip Technology 

ENC424J600/624J600

TABLE 1-2: ENC424J600/624J600 PINOUT DESCRIPTIONS

Pin Name

Pin Number

Pin Type

44-Pin 64-Pin

Input

Buffer

Description

AD0

38

53

I/O

CMOS PSP Multiplexed Address Input and/or Bidirectional

AD1

39

54

I/O

CMOS Data Bus

AD2

40

55

I/O

CMOS

AD3

41

56

I/O

CMOS

AD4

5

5

I/O

CMOS

AD5

6

6

I/O

CMOS

AD6

7

7

I/O

CMOS

AD7

8

8

I/O

CMOS

AD8

25

35

I/O

CMOS

AD9

26

36

I/O

CMOS

AD10

27

37

I/O

CMOS

AD11

28

38

I/O

CMOS

AD12

29

39

I/O

CMOS

AD13

30

40

I/O

CMOS

AD14

31

41

I/O

CMOS

AD15

—

42

I/O

CMOS

A0

—

57

I

CMOS PSP Demultiplexed Address Input Bus

A1

—

58

I

CMOS

A2

—

59

I

CMOS

A3

—

60

I

CMOS

A4

—

61

I

CMOS

A5

—

9

I

CMOS

A6

—

10

I

CMOS

A7

—

11

I

CMOS

A8

—

12

I

CMOS

A9

—

13

I

CMOS

A10

—

19

I

CMOS

A11

—

20

I

CMOS

A12

—

43

I

CMOS

A13

—

44

I

CMOS

A14

—

45

I

CMOS

AL

37

52

I

CMOS PSP Address Latch

B0SEL

—

50

I

CMOS PSP Byte 0 Select

B1SEL

—

48

I

CMOS PSP Byte 1 Select

CLKOUT

23

33

O

—

Programmable Clock Output for External Use

CS

34

49

I

CMOS SPI Chip Select (active-low)

CS

34

49

I

CMOS PSP Chip Select (active-high)

EN

35

50

I

CMOS PSP R/W Enable strobe

INT

24

34

O

—

Interrupt Output (active-low)

LEDA

10

15

O

—

Programmable Ethernet Status/Activity LED

LEDB

9

14

O

—

Programmable Ethernet Status/Activity LED

Legend: I = Input; O = Output; P = Power; CMOS = CMOS compatible input buffer; ANA = Analog level input/output

© 2009 Microchip Technology Inc.

DS39935B-page 7

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