Cirrus Logic CS8900A manuali

Cirrus logic CS8900A Manuale Utente (138 pagine)

Marchio: Cirrus-logic | Categoria: Hardware | Dimensione: 1.00 MB |

Inglese

Indice

Crystal LAN™ Ethernet

1

Controller

1

TABLE OF CONTENTS

2

8 DS271F5

8

DS271F5 9

9

and Auto

9

10 DS271F5

10

Top View

12

DS271F5 13

13

14 DS271F5

14

DS271F5 15

15

16 DS271F5

16

DS271F5 17

17

Table 3. DMA Assignments

19

20 DS271F5

20

Default Configuration

21

DS271F5 23

23

Figure 4. Group Header

23

24 DS271F5

24

Table 8. EEPROM Commands

25

26 DS271F5

26

DS271F5 27

27

30 DS271F5

30

Figure 8. MAC Interface

30

DS271F5 31

31

32 DS271F5

32

DS271F5 33

33

Figure 10. Two-Part Deferral

33

34 DS271F5

34

Figure 11. Simple Deferral

34

10BASE-T

35

Transceiver

35

Table 12. Interface Selection

36

10BASE-T Transceiver

37

Packet Packet

38

DS271F5 39

39

Figure 15. AUI

39

40 DS271F5

40

4.3 Bus Interface Registers

44

4.3.2 I/O Base Address

44

4.3.3 Interrupt Number

44

4.3.4 DMA Channel Number

45

4.3.5 DMA Start of Frame

45

4.3.6 DMA Frame Count

46

4.3.7 RxDMA Byte Count

46

4.3.8 Memory Base Address

46

4.3.9 Boot PROM Base Address

46

4.3.11 EEPROM Command

47

4.3.12 EEPROM Data

48

DS271F5 49

49

52

76543210

53

RegContent RegNum

53

FEDCBA9 8

53

RegContent

53

StreamE Skip_1 000011

54

PromiscuousA IAHashA 000101

56

0000 0000 0000 1000

58

RxDMAiE SWint-X 001011

59

RxDMA frame SWint 001100

60

0000 0000 0000 1100

61

SerTxOn SerRxON 010011

62

LinkOK 010100

63

CRS PolarityOK 10BT AUI

63

RESET 010101

64

TxBidErr 011000

66

Rdy4Tx NOW

66

AUI Delay 011100

68

AUI Delay

68

4.5.2 Transmit Length

69

4.6 Address Filter Registers

71

72 DS271F5

72

Word Transfer

73

74 DS271F5

74

Table 18. I/O Mode Mapping

75

DS271F5 77

77

78 DS271F5

78

ISQ = 0000h?

79

Frame Pre

80

Processed

80

Table 21

81

DS271F5 85

85

Table 24. Example Memory Map

86

RxStatus - Frame 2

93

DS271F5 97

97

98 DS271F5

98

102 DS271F5

102

DS271F5 103

103

104 DS271F5

104

DS271F5 105

105

Table 41

108

Table 39

108

Table 40

108

Table 42

109

Table 41. (continued)

109

110 DS271F5

110

DS271F5 111

111

7.3 DC CHARACTERISTICS (T

112

SA [15:0]

114

AEN, SBHE

114

SD [15:0] Valid Data

114

DIRECTION:

115

IN or OUT of chip

115

Valid Address

117

SD [15:0] Valid Data In

117

EEData Out

120

EEData In

120

7.5 10BASE-T WIRING

121

7.6 AUI WIRING

122

8.3 DC CHARACTERISTICS (T

123

8.5 10BASE-T WIRING

132

8.6 AUI WIRING

133

100L LQFP PACKAGE DRAWING

134

DS271F5 135

135

136 DS271F5

136

DS271F5 137

137

138 DS271F5

138

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