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| 5.1 | Transmit Identification and Version Register (TXIDVER) | 71 |
| 5.2 | Transmit Control Register (TXCONTROL) | 71 |
| 5.3 | Transmit Teardown Register (TXTEARDOWN) | 72 |
| 5.4 | Receive Identification and Version Register (RXIDVER) | 73 |
| 5.5 | Receive Control Register (RXCONTROL) | 73 |
| 5.6 | Receive Teardown Register (RXTEARDOWN) | 74 |
| 5.7 | Transmit Interrupt Status (Unmasked) Register (TXINTSTATRAW) | 75 |
| 5.8 | Transmit Interrupt Status (Masked) Register (TXINTSTATMASKED) | 76 |
| 5.9 | Transmit Interrupt Mask Set Register (TXINTMASKSET) | 77 |
| 5.10 | Transmit Interrupt Mask Clear Register (TXINTMASKCLEAR) | 78 |
| 5.11 | MAC Input Vector Register (MACINVECTOR) | 79 |
| 5.12 | Receive Interrupt Status (Unmasked) Register (RXINTSTATRAW) | 80 |
| 5.13 | Receive Interrupt Status (Masked) Register (RXINTSTATMASKED) | 81 |
| 5.14 | Receive Interrupt Mask Set Register (RXINTMASKSET) | 82 |
| 5.15 | Receive Interrupt Mask Clear Register (RXINTMASKCLEAR) | 83 |
| 5.16 | MAC Interrupt Status (Unmasked) Register (MACINTSTATRAW) | 84 |
| 5.17 | MAC Interrupt Status (Masked) Register (MACINTSTATMASKED) | 84 |
| 5.18 | MAC Interrupt Mask Set Register (MACINTMASKSET) | 85 |
| 5.19 | MAC Interrupt Mask Clear Register (MACINTMASKCLEAR) | 85 |
| 5.20 | Receive Multicast/Broadcast/Promiscuous Channel Enable Register (RXMBPENABLE) | 86 |
| 5.21 | Receive Unicast Enable Set Register (RXUNICASTSET) | 89 |
| 5.22 | Receive Unicast Clear Register (RXUNICASTCLEAR) | 90 |
| 5.23 | Receive Maximum Length Register (RXMAXLEN) | 91 |
| 5.24 | Receive Buffer Offset Register (RXBUFFEROFFSET) | 91 |
| 5.25 | Receive Filter Low Priority Frame Threshold Register (RXFILTERLOWTHRESH) | 92 |
| 5.26 | Receive Channel | 92 |
| 5.27 | Receive Channel | 93 |
| 5.28 | MAC Control Register (MACCONTROL) | 94 |
| 5.29 | MAC Status Register (MACSTATUS) | 96 |
| 5.30 | Emulation Control Register (EMCONTROL) | 98 |
| 5.31 | FIFO Control Register (FIFOCONTROL) | 98 |
| 5.32 | MAC Configuration Register (MACCONFIG) | 99 |
| 5.33 | Soft Reset Register (SOFTRESET) | 99 |
| 5.34 | MAC Source Address Low Bytes Register (MACSRCADDRLO) | 100 |
| 5.35 | MAC Source Address High Bytes Register (MACSRCADDRHI) | 100 |
| 5.36 | MAC Hash Address Register 1 (MACHASH1) | 101 |
| 5.37 | MAC Hash Address Register 2 (MACHASH2) | 101 |
| 5.38 | Back Off Test Register (BOFFTEST) | 102 |
| 5.39 | Transmit Pacing Algorithm Test Register (TPACETEST) | 102 |
| 5.40 | Receive Pause Timer Register (RXPAUSE) | 103 |
| 5.41 | Transmit Pause Timer Register (TXPAUSE) | 103 |
| 5.42 | MAC Address Low Bytes Register (MACADDRLO) | 104 |
| 5.43 | MAC Address High Bytes Register (MACADDRHI) | 104 |
| 5.44 | MAC Index Register (MACINDEX) | 105 |
| 5.45 | Transmit Channel | 106 |
| 5.46 | Receive Channel | 106 |
| 5.47 | Transmit Channel | 107 |
| 5.48 | Receive Channel | 107 |
| 5.49 | Network Statistics Registers | 108 |
4 | Contents | SPRU941A |