V
R
Series
Description
V
R
4131
64-Bit MIPS
廬
RISC
Microprocessor
The V
R
4131 is the newest member of NEC鈥檚 V
R
Series鈩?product line. This high-performance
64-bit RISC microprocessor employing the MIPS I, II, III, and MIPS16 instruction sets
delivers 1545 MIPS per watt, one of the highest-performance, lowest power ratios currently
available. In addition to an ultra-low-power-consuming V
R
4130 CPU core, the device has
cache memory, two-way superscalar pipeline, memory management unit, and peripherals
including a DMA interface, serial interface, IrDA
廬
interface, and real-time clock, among
others. The V
R
4131 also has a 32-bit external memory bus and supports a PCI bus interface
for external devices.
鈥?High performance/low power ratio
of 1545 MIPS per watt
鈥?Low power consumption
鈥?220 mW at 200 MHz (typical)
鈥?275 mW at 250 MHz (typical)
鈥?High-performance operation
鈥?340 Dhrystone MIPS at 200 MHz
鈥?425 Dhrystone MIPS at 250 MHz
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Storage systems
Wireless LAN access points
Network interface cards (NICs)
Server farms
Information appliances
鈥?Portable Internet appliances
鈥?Pocket PCs
鈥?Cellular telephones
鈥?Supply voltage: 1.5 V (internal)
and 3.3 V (external)
鈥?224-pin FPBGA (16 mm x 16 mm)
鈥?Pin-compatible with NEC鈥檚 V
R
4122
(except N-wire)
鈥?Full industrial -40藲C to +85藲C ambient
operating temperature range
Specifications
Applications
Block Diagram
32.768 kHz
V
RC
4173
18.432 kHz
OSB
OSB
PLL
RTC
GIU
ICU
Touch Panel
PC Card
V
R
4130 CPU Core
PMU
LCD Panel
LCDC
CMU
PCIU
DCU
SDRAM
SDRAMU
BCU
V
R
4131
ROM/
Flash Memory
DMAAU
LED
CSI
DSIU
SIU
RS-232-C
Driver
FIR
IR
Driver
48 MHz
01RC-0138B (5/01)
UPD30131F1相關(guān)型號PDF文件下載
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1
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