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UPD703103A Datasheet(PDF) 8 Page - NEC

Part # UPD703103A
Description  32-Bit Single-Chip Microcontrollers
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD703103A Datasheet(HTML) 8 Page - NEC

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Application Note U17121EJ1V1AN
8
CONTENTS
CHAPTER 1 OVERVIEW OF EACH PRODUCT..................................................................................10
1.1 Outline ...........................................................................................................................................10
1.2 Features.........................................................................................................................................11
1.3 Ordering Information....................................................................................................................12
1.4 Pin Configuration..........................................................................................................................14
1.5 Internal Block Diagram ................................................................................................................25
CHAPTER 2 OVERVIEW OF PCI HOST BRIDGE MACRO ..............................................................29
2.1 Outline ...........................................................................................................................................29
2.2 Features.........................................................................................................................................30
CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO ...................................................31
3.1 Internal Blocks of PCI Host Bridge Macro .................................................................................31
3.2 Relationship Between Internal Blocks and Signals ..................................................................32
3.3 Pin Functions ................................................................................................................................33
3.3.1
External bus slave interface pins .......................................................................................................33
3.3.2
SDRAM bus interface pins .................................................................................................................33
3.3.3
PCI bus interface pins ........................................................................................................................34
3.4 Registers .......................................................................................................................................35
3.4.1
PCI_CONFIG_DATA register.............................................................................................................35
3.4.2
PCI_CONFIG_ADD register...............................................................................................................36
3.4.3
PCI_CONTROL register.....................................................................................................................37
3.4.4
PCI_IO_BASE register.......................................................................................................................38
3.4.5
PCI_MEM_BASE register ..................................................................................................................38
3.4.6
PCI_INT_CTL register........................................................................................................................39
3.4.7
PCI_ERR_ADD register .....................................................................................................................40
3.4.8
SYSTEM_MEM_BASE register .........................................................................................................41
3.4.9
SYSTEM_MEM_RANGE register ......................................................................................................41
3.4.10 SDRAM_CTL register ........................................................................................................................42
3.5 Address Map .................................................................................................................................44
3.6 Initializing PCI Host Bridge Macro ..............................................................................................45
3.7 Bus Width of External Bus Interface ..........................................................................................46
3.8 Timing ............................................................................................................................................47
3.8.1
External bus interface timing..............................................................................................................47
3.8.2
PCI bus interface timing .....................................................................................................................50
CHAPTER 4 CONFIGURATION EXAMPLES OF FPGA INTEGRATION..........................................57
4.1 Conditions for Configuration Examples of FPGA Integration .................................................57
4.2 Points to Remember When Creating Top Layer of FPGA ........................................................57
4.3 Reference Diagram for FPGA Top Connection .........................................................................58
4.4 FPGA Top Pin Functions .............................................................................................................59
4.4.1
CPU bus slave interface pins .............................................................................................................59
4.4.2
SDRAM bus interface pins .................................................................................................................59
4.4.3
PCI bus interface pins ........................................................................................................................60
4.5 FPGA Top Pin Configuration.......................................................................................................61


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