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參數(shù)資料
| 型號： | PowerNP NPe405 |
| 廠商： | IBM Microeletronics |
| 英文描述： | 32-Bit Embedded Processor(32位嵌入式處理器（應(yīng)用于網(wǎng)絡(luò)方面，提供高性價比）) |
| 中文描述： | 32位嵌入式處理器（32位嵌入式處理器（應(yīng)用于網(wǎng)絡(luò)方面，提供高性價比）） |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 171K |
| 代理商： | POWERNP NPE405 |
Combines leadership embedded
performance with networking
peripherals for a wide variety of
networking applications
Low power consumption makes it
ideal for power-conscious,
thermal-sensitive applications
Functional configurability and
code compatibility to all 405
family chips helps ensure ease of
use and quicker time to market
Overview
IBM’s PowerNP
TM
NPe405 family of
embedded processors offer industry-
leadership performance/price solutions
for networking applications. The popular
405 CPU core is now available up to
266MHz to power the level of functionality
needed to meet your specifications.
When your next-generation system is
ready for a performance or functional
boost, just plug and play. This is the
inherent benefit of a scalable PowerPC
TM
architecture which is optimized for
software reuse.
PowerPC 405 Embedded Core
200 or 266MHz CPU
Memory Management Unit
16KB instruction and 8KB data caches
Multiply-Accumulate (MAC) function,
including fast multiply unit
Timers
JTAG and Trace debug logic
PowerNP NPe405 Embedded Processors
On-Chip Ethernet Support
10/100 ethernet MAC ports
- NPe405H supports 4
- NPe405L supports 2
Each 10/100 MAC contains 2K Tx and
4K Rx FIFOs
Medium Independent Interface (MII)
to external physical layer PHY for
single-drop applications
Reduced MII (RMII) and Serial MII (SMII)
to external PHY for multi-drop applications
Dedicated DMA channel
32-Channel HDLC Controller
Up to 32 separate Rx, Tx full-duplex
channels
Implements HDLC protocol and time
division multiplexing
Operates over 2 PCM Highway interfaces;
up to 8Mbps for one, or 4Mbps each
PowerPC based network processor family
Can support a fully channelized
E1 or T1 link
8 Port HDLC Controller (NPe405H
only)
Supports 8 single-channel point
to point ports
Each port operates at up to 2Mbps
PCI Controller (NPe405H only)
32-bit, PCI version 2.2 compatible
Asynchronous operation from 1/8 PLB
frequency up to 66MHz max
Read prefetch and posted write buffers on
both sides of the PCI controller
Internal PCI arbiter, supports five
external PCI masters
Supports external arbitration
Optional system boot from PCI
Supports host-bridge or adapter mode
PowerNP NPe405H block diagram
Highlights
Interrupt
Control
DMA
Controller
100 MHz
Processor Local Bus (PLB)
64-Bit
MMU
405 CPU
JTAG
Trace
Timers
16K
I-Cache
8K
D-Cache
PowerPC 405B3 Core
UART
5
O
3
Arbiter
A
SDRAM
Controller
OPB
Bridge
IIC
GPIO
UART
Peripheral
Bus
Controller
PCI
Controller
MAC
10 / 100
Ethernet
MAC
HDLC
8-Port
HDLC
32-Channel
MAL
MAL
Time Slot
Assigner
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