Freescale Semiconductor MPC860T, User Manual, Page: 4 / 68

iv MPC860T (Rev. D) Fast Ethernet Controller Supplement MOTOROLA
PRELIMINARYÑSUBJECT TO CHANGE WITHOUT NOTICE
CONTENTS
Paragraph
Number
Title
Page
Number
Chapter 4
Parallel I/O Ports
4.1 Port D Pin Functions.............................................................................................4-1
4.1.1 Port D Registers................................................................................................4-2
4.1.2 Enabling MII Mode ..........................................................................................4-2
Chapter 5
SDMA Bus Arbitration and Transfers
5.1 Overview ..............................................................................................................5-1
5.2 The SDMA Registers............................................................................................5-1
5.2.1 SDMA Configuration Register (SDCR)...........................................................5-2
Chapter 6
Programming Model
6.1 Overview ..............................................................................................................6-1
6.2 Parameter RAM....................................................................................................6-1
6.2.1 RAM Perfect Match Address Low Register (ADDR_LOW)...........................6-2
6.2.2 RAM Perfect Match Address High (ADDR_HIGH) .......................................6-3
6.2.3 RAM Hash Table High (HASH_TABLE_HIGH) ...........................................6-3
6.2.4 RAM Hash Table Low (HASH_TABLE_LOW).............................................6-4
6.2.5 Beginning of RxBD Ring (R_DES_START)...................................................6-5
6.2.6 Beginning of TxBD Ring (X_DES_START)...................................................6-5
6.2.7 Receive Buffer Size Register (R_BUFF_SIZE)...............................................6-6
6.2.8 Ethernet Control Register (ECNTRL)..............................................................6-7
6.2.9 Interrupt Event (I_EVENT)/Interrupt Mask Register (I_MASK)....................6-8
6.2.10 Ethernet Interrupt Vector Register (IVEC) ......................................................6-9
6.2.11 RxBD Active Register (R_DES_ACTIVE) ...................................................6-10
6.2.12 TxBD Active Register (X_DES_ACTIVE) ...................................................6-11
6.2.13 MII Management Frame Register (MII_DATA) ...........................................6-12
6.2.14 MII Speed Control Register (MII_SPEED) ...................................................6-14
6.2.15 FIFO Receive Bound Register (R_BOUND) .................................................6-15
6.2.16 FIFO Receive Start Register (R_FSTART) ...................................................6-16
6.2.17 Transmit Watermark Register (X_WMRK ....................................................6-16
6.2.18 FIFO Transmit Start Register (X_FSTART)..................................................6-17
6.2.19 DMA Function Code Register (FUN_CODE) ...............................................6-18
6.2.20 Receive Control Register (R_CNTRL) ..........................................................6-19
6.2.21 Receive Hash Register (R_HASH) ................................................................6-20
6.2.22 Transmit Control Register (X_CNTRL) ........................................................6-21
6.3 Initialization Sequence .......................................................................................6-22
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