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參數資料
| 型號： | PowerPC 401GF |
| 廠商： | IBM Microeletronics |
| 英文描述： | 32-bit RISC Embedded Controllers(32位RISC結構嵌入式控制器) |
| 中文描述： | 32位RISC嵌入式控制器（32位的RISC結構嵌入式控制器） |
| 文件頁數： | 1/2頁 |
| 文件大小： | 64K |
| 代理商： | POWERPC 401GF |
Highlights
401 Core
Compatible with PowerPC User
Instruction Set Architecture
32-bit x 32 general purpose registers
Hardware multiply and divide
Unaligned load/store
Bus Controller
Multiplexed address/data bus
Programmable read/write burst
Target word first capability
Bus clock out
Support for 8-, 16- and 32- bit devices
External bus master support
JTAG port for Test/Debug
(IEEE 1149.1)
Real Mode MMU
Programmable cacheability
Programmable copy-back/write-thru
True Little-Endian operation
Timers
64-bit time-base
Programmable interval timer
Fixed interval timer
Watchdog timer
Cache Controllers
Separate I and D cache controllers
Critical data forwarding
Fill first handling of cache misses
Non-blocking flush operations
Store queue
2K I and 1K D cache arrays
Array Built In Self Test (ABIST)
Power Management
Custom circuitry to minimize power
Hardware-based dynamic clocking
On-chip oscillator
Software-controlled sleep modes
Product Overview
The PowerPC 401GF* is a member of
IBM’s growing family of 32-bit RISC
embedded controllers. The 401GF
design, based on the PowerPC 401
Core, provides a high level of value to
system developers in communications,
consumer and printer markets —
especially developers who measure
value based on price, performance and
power consumption.
Like all PowerPC* embedded
controllers, the 401GF supports the
PowerPC User Instruction Set
Architecture. This means there’s a new
price/performance leader in our
extended family of embedded
processors. A family that offers
unprecedented processor scalability, as
well as portability across the product
line to protect your investment in code.
IBM’s leading edge embedded
controller technology allows us to pack
a lot of functionality into this tiny
package. And your implementation of
this technology will prove that cost
effectiveness does not come at the
expense of performance or power.
A three-stage execution pipeline,
combined with barrel rotator, operand
forwarding and branch prediction logic,
allows the 401GF to maintain the high
level of performance inherent in all
PowerPC processors. At 50 MHz, the
401 benchmarks at 92 K Dhrystones/
sec (53 Dhrystone MIPS).
Additionally, the 401GF I/O bus provides
an easy interface to system peripherals.
The simple bus interface enables the
best performance from the CPU while
allowing you to design peripherals and
memory control logic.
If low power consumption is important in
your application, consider having 401GF
performance powered by an operating
voltage of 3.3 volts. With IBM’s unique
power management logic, active power
consumption is 200 mW at 50 MHz and
3.3 V. Sleep-mode power is as low as
520
μ
W.
Choosing the PowerPC 401GF as your
processor platform ensures the support
of IBM and over 75 select third-party
vendors in the PowerPC Embedded
Tools* Program. This program offers a full
range of embedded development tools,
including compilers, debuggers, real-
time operating systems, emulators, logic
analyzers, and evaluation boards.
PowerPC 401GF
Embedded Controller
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