LAN83C175 Datasheet, PDF(37/92 Page) SMSC Corporation – Ethernet CARDBUS Integrated Controller With Modem Support

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LAN83C175 Datasheet, PDF (37/92 Pages) SMSC Corporation – Ethernet CARDBUS Integrated Controller With Modem Support

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The following table shows the address mapping

of the LAN83C175 control registers. All

registers are dword accessible only.

Table 2 - Ethernet Function Control Register Map

00 COMMAND 40 LAN01

80 PRFDAR1

C0 PTFDAR1

04 INTSTAT

44 LAN11

84 PRCDAR1

C4 PTCDAR1

08 INTMASK

48 LAN21

88 PRHDAR4

C8 PTHDAR4

0C GENCTL

4C ID/CHK1

8C PRFLAR4

CC PTFLAR4

10 NVCTL

50 MC01

90 PRDLGTH4 D0 PTDLGTH4

14 EECTL

54 MC11

94 PRFCNT4

D4 PTFCNT4

18 PBLCNT

58 MC21

98 PRLCAR4

D8 PTLCAR4

1C Reserved4

5C MC31

9C PRLPAR4

DC ETXTHR1

20 CRCCNT

60 RXCON1

A0 PREFAR4

E0 PTETXC4

24 ALICNT

64 RXSTAT4

A4 PRSTAT3

E4 PTSTAT4

28 MPCNT

68 RXCNT4

A8 PRBUF4

E8 PTBUF4

2C RXFIFO4

6C RXTEST4

AC RDNCAR4

EC PTFDAR24

30 MMCTL

70 TXCON1

B0 PRCPTHR1 F0 FEVTR

34 MMDATA

74 TXSTAT2

F4 FEVTRMSKR

38 MIICFG1

78 TDPAR4

F8 FPRSTSTR

3C IPG1

7C TXTEST4

BC PREEMPR1 FC FFRCEVTR

Notes:

1Used during initialization only (illegal to access when not idle).

2Legal to access during transmit underrun only.

3Legal to access only when frame is discarded after header copy and INTSTAT.RSV is 1.

4Legal to access only in test mode.

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