INTRODUCTION
Readers
This application note is intended for users who wish to understand the functions of the
V850E/MA1, V850E/MA2, V850E/MA3, V850E/ME2, and PCI bus to design application
systems using these products.
Purpose
The purpose of this application note is to help the user understand the PCI host bridge
macro and its composition using the V850E/MA1, V850E/MA2, V850E/MA3,
V850E/ME2, and PCI host bridge macro as a system example.
Organization
This application note is broadly divided into the following sections.
• Overview of each product
• Overview of PCI host bridge macro
• Specifications of PCI host bridge macro
• Configuration examples of FPGA integration
• Application examples
How to Read This Manual It is assumed that the readers of this application note have general knowledge in the
fields of electrical engineering, logic circuits, and microcontrollers.
For details of the hardware functions and electrical specifications of the V850E/MA1,
V850E/MA2, V850E/MA3, and V850E/ME2
→ Refer to the Hardware User’s Manual of each product.
For details of the instruction functions of the V850E/MA1, V850E/MA2, V850E/MA3, and
V850E/ME2
→ Refer to the V850E1 Architecture User’s Manual.
Conventions
Data significance:
Higher digits on the left and lower digits on the right
Active low representation: xxx (overscore over pin or signal name) or /xxx (“/” before
signal name)
Memory map address:
Higher addresses on the top and lower addresses on the
bottom
Note:
Footnote for item marked with Note in the text
Information requiring particular attention
Supplementary information
Caution:
Remark:
Numeric representation: Binary ... xxxx or xxxxB
Decimal ... xxxx
Hexadecimal ... xxxxH
Prefix indicating power of 2 (address space, memory capacity):
K (kilo) ... 210 = 1,024
M (mega) ... 220 = 1,0242
G (giga) ... 230 = 1,0243
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Application Note U17121EJ1V1AN
NEC [ NEC ]
