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Last update: 1 February 2004

IC name:Am7990
IC function:Local Area Network Controller for Ethernet (LANCE)
Related components:Am7992B

Component documentation
IC numberManufacturerDocumentation
Am7990AMDNot available

Component versions
IC numberPackageCBM part numberCBM part description
Am799048-Pin DIP390631-01LSI AMD7990 LANCE

Positions
AmigaPositionPackage
A2065U2DIP

Pinout
PinTypeNameDescriptionSignal name
A2065
1PowerVSSGroundGND
2..9I/ODAL7..DAL0Data/Address LinesID7..ID0
10I/OREADOperation TypeLREAD
11OutputINTR_Interrupt_INT
12OutputDALI_Data/Address Line Inunused
13OutputDALO_Data/Address Line Outunused
14I/ODAS_Data Strobe_LDAS
15OutputBM0_/BYTEByte Mask / Byte Select_LLDS
16OutputBM1_/BUSAKO_Byte Mask / Bus Request Output_LUDS
17OutputHOLD_/BUSREQ_Bus Hold Request_HOLD
18InputALE/AS_Address Latch EnableALE
19InputHLDA_Bus Hold Acknowledge_LANCE
20InputCS_Chip Select_LCS
21InputADRRegister Address Port SelectIA1
22I/OREADY_Acknowledge_LRDY
23InputRESET_Reset_RESET
24PowerVSSGroundGND
25InputTCLKTransmit Clockconnected to TCLK of Am7992B
26OutputTENATransmit Enableconnected to TENA of Am7992B
27InputRCLKReceive Clockconnected to RCLK of Am7992B
28InputCLSNCollisionconnected to CLSN of Am7992B
29OutputTXTransmitconnected to TX of Am7992B
30InputRENAReceive Enableconnected to RENA of Am7992B
31InputRXReceiveconnected to RX of Am7992B
32..39OutputA23..A16High Order Address Busunused
40..47I/ODAL15..DAL8Data/Address LinesID15..ID8
48PowerVDDPower Supply +5VVCC

Copyright © 2004 Ronald van Dijk - All rights reserved