DS3134 datasheet(6/203 Pages) DALLAS

6 / 203 page

DS3134

6 of 203

Section 7: FIFO………………………………………………………………………………………… 85

7.1 General Description & Example………………………………………………………….

7.2 FIFO Register Description………………………………………………………………..

Section 8: DMA………………………………………………………………………………………… 96

8.0 Introduction………………………………………………………………………………… 96

8.1 Receive Side……………………………………………………………………………….

8.1.1 Overview……………………………………………………………………….

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

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