Electronics America Network Cables User Manual

ManualsBrandsNEC ManualsNetwork CableNEC Network Controller uPD98502

Preliminary User’s Manual S15543EJ1V0UM

CONTENTS

CHAPTER 1 INTRODUCTION ............................................................................................................... 23

1.1 Features ...................................................................................................................................... 23

1.2 Ordering Information................................................................................................................. 23

1.3 System Configuration................................................................................................................ 24

1.4 Block Diagram (Summary)........................................................................................................ 25

1.5 Block Diagram (Detail)............................................................................................................... 26

1.5.1 V

4120A RISC processor core......................................................................................................26

1.5.2 IBUS ..............................................................................................................................................27

1.5.3 System controller...........................................................................................................................28

1.5.4 ATM cell processor........................................................................................................................29

1.5.5 Ethernet controller .........................................................................................................................30

1.5.6 USB controller ...............................................................................................................................31

1.5.7 PCI controller.................................................................................................................................32

1.6 Pin Configuration (Bottom View) .............................................................................................33

1.7 Pin Function ...............................................................................................................................37

1.7.1 Power supply .................................................................................................................................37

1.7.2 System PLL power supply .............................................................................................................37

1.7.3 USB PLL power supply..................................................................................................................37

1.7.4 System control interface ................................................................................................................38

1.7.5 Memory interface...........................................................................................................................39

1.7.6 PCI interface..................................................................................................................................41

1.7.7 ATM interface ................................................................................................................................43

1.7.8 Ethernet interface ..........................................................................................................................45

1.7.9 USB interface ................................................................................................................................46

1.7.10 UART interface ..............................................................................................................................47

1.7.11 Micro Wire interface.......................................................................................................................47

1.7.12 Parallel port interface.....................................................................................................................47

1.7.13 Boundary scan interface................................................................................................................47

1.7.14 I.C. – open .....................................................................................................................................48

1.7.15 I.C.– pull down...............................................................................................................................48

1.7.16 I.C. – pull down with resistor..........................................................................................................48

1.7.17 I.C. – pull up ..................................................................................................................................48

1.8 I/O Register Map......................................................................................................................... 49

1.9 Memory Map ............................................................................................................................... 53

1.10 Reset Configuration................................................................................................................... 54

1.11 Interrupts .................................................................................................................................... 55

1.12 Clock Control Unit ..................................................................................................................... 56

CHAPTER 2 V

4120A ............................................................................................................................ 57

2.1 Overview for V

4120A ............................................................................................................... 57

2.1.1 Internal block configuration............................................................................................................58

2.1.2 VR

4120A registers .........................................................................................................................59

2.1.3 V

4120A instruction set overview..................................................................................................60

2.1.4 Data formats and addressing.........................................................................................................61

2.1.5 Coprocessors (CP0) ......................................................................................................................63