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參數(shù)資料
| 型號： | IBM25403GCX-3JC76C2 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC PROCESSOR, PQFP16 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數(shù)： | 1/54頁 |
| 文件大?。?/td> | 541K |
| 代理商： | IBM25403GCX-3JC76C2 |
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Data
Sheet
PowerPC 403GCX
32-Bit RISC
Embedded Controller
Features
PowerPC
RISC CPU and instruction set
architecture
Glueless interfaces to DRAM, SRAM,
ROM, and peripherals, including byte and
half-word devices
16KB instruction cache and 8KB write-
back data cache, two-way set-associative
Memory management unit
–64-entry, fully associative TLB array
–Variable page size (1KB-16MB)
–Flexible TLB management
Individually programmable on-chip control-
lers for:
–Four DMA channels
–DRAM, SRAM, and ROM banks
–External interrupts
DRAM controller supports EDO DRAM
Flexible interface to external bus masters
CPU core can run at 2X the external bus
speed
Applications
Set-top boxes and network computers
Consumer electronics and video games
Telecommunications and networking
Ofce automation (printers, copiers, fax)
Specications
CPU core frequency of 76 MHz, I/Os to
38 MHz
Interfaces to both 3V and 5V technologies
Low-power 3.3V operation with built-in
power management and stand-by mode
Low-cost 160 lead PQFP package
0.45
m triple-level-metal CMOS
Overview
The PowerPC 403GCX 32-bit RISC embedded
controller offers high performance and functional
integration with low power consumption. The
403GCX RISC CPU executes at sustained
speeds approaching one cycle per instruction.
On-chip caches and integrated DRAM and
SRAM control functions reduce chip count and
design complexity in systems, while improving
system throughput.
External I/O devices or SRAM/DRAM memory
banks can be directly attached to the 403GCX
bus interface unit (BIU). Interfaces for up to eight
memory banks and I/O devices, including a max-
imum of four DRAM banks, can be congured
individually, allowing the BIU to manage devices
or memory banks with differing control, timing, or
bus width requirements.
RISC Execution Unit
Cache Unit
Instruction
Cache Unit
Data
4-Channel
DMA
Controller
Serial
Port
JTAG
Port
DRAM Controller
I/O Controller
Bus Interface Unit
SRAM, ROM, I/O
Controls
Address
Bus
Data
Bus
Timers
(Address
and
Control)
On-chip
Peripheral
Bus
DRAM
Interrupt
Controller
Memory Management Unit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IBM25403GCX-JA50C2 | 制造商:IBM 功能描述:403GCX-JA50C |
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