Rainbow Electronics DS3134 User Manual
Page 6
DS3134
6 of 203
Section 7: FIFO………………………………………………………………………………………… 85
7.1 General Description & Example………………………………………………………….
85
7.2 FIFO Register Description………………………………………………………………..
87
Section 8: DMA………………………………………………………………………………………… 96
8.0 Introduction………………………………………………………………………………… 96
8.1 Receive Side……………………………………………………………………………….
97
8.1.1 Overview……………………………………………………………………….
97
8.1.2 Packet Descriptors…………………………………………………………….
103
8.1.3 Free Queue…………………………………………………………………….
105
8.1.4 Done Queue……………………………………………………………………
110
8.1.5 DMA Configuration RAM……………………………………………………..
116
8.2 Transmit Side………………………………………………………………………………. 120
8.2.1 Overview………………………………………………………………………..
120
8.2.2 Packet Descriptors…………………………………………………………….
129
8.2.3 Pending Queue…………………………………………………………………
132
8.2.4 Done Queue…………………………………………………………………….
136
8.2.5 DMA Configuration RAM……………………………………………………… 142
Section 9: PCI Bus………………………………………………………………………………………147
9.1 PCI General Description…………………………………………………………………… 147
9.2 PCI Configuration Register Description………………………………………………….. 153
Section 10: Local Bus………………………………………………………………………………… 165
10.1 Local Bus General Description………………………………………………………….. 165
10.2 Local Bus Bridge Mode Control Register Description…………………………………
171
10.3 Examples of Bus Timing for Local Bus PCI Bridge Mode Operation………………..
173
Section 11: JTAG……………………………………………………………………………………… 181
11.1 JTAG Operation……………………………………………………………………………181
11.2 TAP Controller State Machine Description……………………………………………..
181
11.3 Instruction Register and Instructions……………………………………………………
184
11.4 Test Registers…………………………………………………………………………….. 185
Section 12: AC Characteristics………………………………………………………………………….191
Section 13: Mechanical Dimensions…………………………………………………………………….173
Section 14: Applications……………………………………………………………………………… 174