HFA3841 Просмотр технического описания (PDF) - Intersil

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производитель

HFA3841

Wireless LAN Medium Access Controller

Intersil 

Preliminary - HFA3841

Radio Interface and General Purpose Port Pins

PIN NAME

PIN NUMBER

PIN I/O TYPE

DESCRIPTION OF FUNCTION

(IF OTHER THAN IO PORT)

TXD

17

CMOS Output, 2mA, 50K Pull Down

Transmit data out

TXC

18

5V tol, CMOS, BiDir 2mA, ST

Transmit clock in/out

RXD

19

CMOS Input

Receive data in

RXC

20

CMOS Input, ST

Receive clock in

PJ0

31

CMOS BiDir, 2mA, ST, 50K Pull Down

MMI serial clock in/out

PJ1

30

CMOS BiDir, 2mA, 50K Pull Down

MMI serial data in/out

PJ2

32

CMOS BiDir, 2mA, 50K Pull Down

MMI serial data read/write control, or data output

PJ3

29

CMOS BiDir, 2mA

MMI device enable

PJ4

65

CMOS BiDir, 2mA

PJ5

8

CMOS BiDir, 2mA, 50K Pull Up

PJ6

7

CMOS BiDir, 2mA

PJ7

9

CMOS BiDir, 2mA, 50K Pull Up

PK0

35

CMOS BiDir, 2mA, ST, 50K Pull Down

PK1

34

CMOS BiDir, 2mA, 50K Pull Down

PK2

33

CMOS BiDir, 2mA, 50K Pull Down

PK3

63

CMOS BiDir, 2mA

PK4

64

CMOS BiDir, 2mA

PK5

21

CMOS BiDir, 2mA

MDREADY - PHY or MAC data available (in)

PK6

22

CMOS BiDir, 2mA

Medium busy (CCA from PHY)

PK7

23

CMOS BiDir, 2mA

PL0

15

CMOS BiDir, 2mA

Transmitter enable

PL1

27

CMOS BiDir, 2mA

Receiver enable (or PHY sleep control)

PL2

26

CMOS BiDir, 2mA

PL3

28

CMOS BiDir, 2mA

PL4

43

CMOS BiDir, 2mA

MBUS address bit 19

PL5

12

CMOS BiDir, 2mA, 50K Pull Up MBUS address bit

20

PL6

11

CMOS BiDir, 2mA

MBUS address bit 21 or PHY control I/O

PL7

93

CMOS BiDir, 2mA

Transmitter ready

Clocks

PIN NAME

XTALI

XTALO

CLKOUT

TCLKIN

PIN NUMBER

40

PIN I/O TYPE

CMOS Input, ST

41

CMOS Output, 2mA

38

CMOS, TS Output, 2mA

10

CMOS Input, ST, 50K Pull Down

DESCRIPTION

Crystal or external clock input (at >= 2X desired

MCLK frequency)

Crystal output

Clock output (selectable as OSC or MCLK)

Timebase Reference Clock Input

4

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