AM79C970A Просмотр технического описания (PDF) - Advanced Micro Devices

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AM79C970A

PCnet™-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product

Advanced Micro Devices 

LIST OF PIN CHANGES

Pin No.

9

58

60

62

64

65

66

68

69

70

71

73

74

75

77

78

80

81

83

85

86

87

110

112

116

118

124

127

PCnet-SCSI

IDSELA

PWDN

SCSICLK

BUSY/NOUT

SCSI BSY

SCSI ATN

SCSI RST

SCSI DS

SCSI SD1

SCSI SD2

SCSI SD3

SCSI SD4

SCSI SD5

SCSI SD6

SCSI SD7

SCSI SDP

SCSI SEL

SCSI REQ

SCSI ACK

SCSI MSG

SCSI C/D

SCSI I/O

EEDO/LED3

EESK/LED1

RESERVED

INTB

GNTA

REQA

PCnet-PCI

NC

NC

NC

NOUT

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

EEDO/LED3

EESK/LED1

RESERVED

NC

NC

NC

PCnet-PCI II Comment

TDI

CIN must be 8 pF maximum. (PCI spec. on IDSEL input).

EAR

Inputs only, EAR is ignored until EADI interface is enabled.

EROE

External SCSI components must be depopulated.

DXCVR/NOUT External SCSI components must be depopulated.

ERACLK

External SCSI components must be depopulated.

ERA7

External SCSI components must be depopulated.

ERA6

External SCSI components must be depopulated.

ERA5

External SCSI components must be depopulated.

ERA4

External SCSI components must be depopulated.

ERA3

External SCSI components must be depopulated.

ERA2

External SCSI components must be depopulated.

ERA1

External SCSI components must be depopulated.

ERA0

External SCSI components must be depopulated.

ERD7/TXDAT External SCSI components must be depopulated.

ERD6/TXEN External SCSI components must be depopulated.

ERD5

External SCSI components must be depopulated.

ERD4/TXCLK External SCSI components must be depopulated.

ERD3/CLSN External SCSI components must be depopulated.

ERD2/RXEN External SCSI components must be depopulated.

ERD1/RXCLK External SCSI components must be depopulated.

ERD0/RXDAT External SCSI components must be depopulated.

LED2/SRDCLK External SCSI components must be depopulated.

EEDO/LED3/SRD

EADI interface is only active when enabled by setting a bit in

a BCR.

EESK/LED1/SFBD

EADI interface is only active when enabled by setting a bit in

a BCR.

RESERVED

TCK

TCK is the JTAG clock input. The JTAG interface is inactive,

until TCK is running. TCK has an internal pull-up.

TMS

TMS is the JTAG test mode select input. TMS is only active

if TCK is running.

TDO

JTAG TDO output is tri-state after power-on reset.

Am79C976

217

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