AMD Am79C930 manuali

Amd Am79C930 Manuale Utente (161 pagine)

Marchio: Amd | Categoria: Networking | Dimensione: 0.68 MB |

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Am79C930

1

ORDERING INFORMATION

2

Standard Products

2

BLOCK DIAGRAM

3

PCMCIA Mode

3

Bus Interface Unit

4

TABLE OF CONTENTS

6

PCMCIA CONNECTION DIAGRAM

13

PCMCIA PIN SUMMARY

14

Listed by Pin Number

14

PCMCIA PIN LIST

15

Listed by Pin Name

15

PCMCIA PIN FUNCTION SUMMARY

16

PCMCIA Pin Summary

16

Am79C930 17

17

PRELIMINARY

17

Output Driver Types

18

Input Types

18

Am79C930 19

19

20 Am79C930

20

ISA PLUG AND PLAY PIN LIST

21

ISA PLUG AND PLAY PIN SUMMARY

23

PIN DESCRIPTIONS

25

Down Devices

25

Configuration Pins

25

Pin 1: USER2/LA19

34

Pin 2: USER3/SA16

34

Pin 3: USER4/LA17

34

Pin 45: STSCHG/BALE

34

Pin 90: USER0/RFRSH

34

Pin 92: USER7/IRQ11

35

Pin 94: RXC/IRQ10/EXTA2DST

36

Pin 95: USER6/IRQ5/EXTSDF

36

Pin 96: USER5/IRQ4/EXTCHBSY

36

Pin 98: ACT

37

Pin 100: LNK

37

Pin 101: SDCLK

38

Pin 102: SDDATA

38

Pin 103: SDSEL3

38

Pin 105: SDSEL2

38

Pin 107: SDSEL1

38

Pin 115: TXC

39

Pin 118: LFPE

39

Pin 120: HFPE

39

Pin 122: RXPE

39

Pin 126: TXCMD

40

Pin 129: TXPE

40

Pin 131: TXMOD

40

Pin 132: ANTSLT

40

Pin 141: ANTSLT/LA23

40

Pin 142: TXCMD/LA21

41

Pin 143: TXDATA/LA20

41

Pin 144: LLOCKE/SA15

41

Basic Functions

42

Detailed Functions

42

FUNCTIONAL DESCRIPTION

42

PCMCIA Interface —

43

Memory Interface

45

Embedded 80188

45

Media Access Management

45

Medium Allocation

45

Flash Memory Management

47

MAC Firmware Resources

47

Management

47

TX Power Ramp Control

48

RX Status Reporting

51

Bit Ordering

51

Physical Header Accommodation

52

DC Bias Control

52

Baud Determination Logic

52

Baud Determination

54

TXC As Input

55

PCMCIA Mode Resources

58

*XXX = Don’t care

61

are asserted

61

*X = Don’t Care

63

67Am79C930

67

ADDRESS 0279h Write only

68

WRITE_DATA 0A79h Write only

68

69Am79C930

69

DRQ0 TAI RX FIFO NOT EMPTY

73

DRQ1 TAI TX FIFO NOT FULL

73

REGISTER DESCRIPTIONS

75

ECWAIT Source of Interrupts

77

(SIR0[4]) Sent To System

77

0 MIR0[2] (note that this bit

77

1 TAI interrupt

77

Do not write to this

82

Registers (TIR Space)

86

*XX = Don’t care

88

TCRC[1:0] Transmitted CRC

94

00 No CRC is appended

94

01 CRC8 is appended

94

10 CRC32 is appended

94

11 No CRC is appended

94

Note: Antenna diversity

101

Multi-Function Pin

101

intended for use

102

THIS FUNCTION IS ONLY

114

AVAILABLE IN PCMCIA MODE

114

RSSI A/D Unit

118

20138B-9

119

Function Pin

123

CIS Space

124

ABSOLUTE MAXIMUM RATINGS

126

OPERATING RANGES

126

DC CHARACTERISTICS

126

P R E L I M I N A R Y

127

127Am79C930

127

129Am79C930

129

AC CHARACTERISTICS

131

PCMCIA MEMORY READ ACCESS

131

PCMCIA MEMORY WRITE ACCESS

132

PCMCIA I/O READ ACCESS

133

PCMCIA I/O WRITE ACCESS

134

5.0 AND 3.3 V ISA INTERFACE

135

ISA ACCESS

136

5.0 V MEMORY BUS INTERFACE

137

MEMORY BUS READ ACCESS

137

MEMORY BUS WRITE ACCESS

138

3.3 V MEMORY BUS INTERFACE

139

5.0 V TAI INTERFACE

141

143Am79C930

143

3.3 V TAI INTERFACE

144

145Am79C930

145

5.0 AND 3.3 V USER

146

PROGRAMMABLE PINS

146

TIMING WAVEFORMS

148

ISA Bus Interface Waveforms

150

20138B-15

151

20138B-16

151

CLOCK WAVEFORMS

152

TAI WAVEFORMS

153

155Am79C930

155

AC TEST REFERENCE WAVEFORMS

156

20138B-24

157

20138B-25

157

PHYSICAL DIMENSIONS

158

Device Configuration

159

Frame Transmission

160

Frame Reception

160

Amd Am79C930 Manuale Utente (3 pagine)

Marchio: Amd | Categoria: Networking | Dimensione: 0.02 MB |

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Harris Wireless Products

1

Installation

2

Application Note 9666

2

Reference

3

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