參數(shù)資料
型號(hào)： μPD705100
廠商： NEC Corp.
英文描述： 32 Bit Microprocessor(32 位微處理器)
中文描述： 32位微處理器（32位微處理器）
文件頁(yè)數(shù)： 15/81頁(yè)
文件大?。?/td> 441K
代理商： ΜPD705100
15
CHAPTER 1 INTRODUCTION
CHAPTER 1 INTRODUCTION
The V830 microprocessor is the first V830 Family product to be offered by NEC for data processing
applications. The V830 is overviewed below.
1.1 OVERVIEW
The V830 is a high-performance 32-bit RISC microprocessor. With an operating (internal) frequency of
100 MHz, the V830 can perform the data processing demanded by multimedia devices in only a few cycles.
Besides a high interrupt responsibility and an optimized pipeline structure, a sum-of-products instruction,
double-word shift instruction, and high-speed branch instruction using branch predication have been added
to support multimedia functions.
Furthermore, by inheriting the V810 Family
TM
basic instruction set at the object level, V810 Family software
can be used as is.
The V830 offers high-performance data processing for applications such as image processing, game
machines, car navigation, high-performance TVs, color facsimile machines, etc.
1.2 FEATURES
Number of instructions: 102
Minimum number of instruction execution cycles: 1
General-purpose registers: 32 bits x 32
Instruction set:
V810 basic instruction set
Sum-of-products operation (32 bits x 32 bits + (upper/lower) 32 bits): 1-3 cycles
Saturatable arithmetic operation (with a saturation detection function)
Double-word shift (64-bit data shift): 1-2 cycles
High-speed branch
Block transfer instruction
Memory space
Memory space, I/O space: 4G-byte linear address
External bus interface:
Supports the (16-byte) burst bus cycle.
Address/data separate bus
Bus hold
Bus lock
Four chip select outputs
Internal memory
Instruction cache (direct mapping): 4K bytes
Data cache (direct mapping/write-through): 4K bytes
Instruction RAM: 4K bytes
Data RAM: 4K bytes
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