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79R3081E50MJB PDF预览

79R3081E50MJB

更新时间: 2024-11-11 14:35:11
品牌 Logo 应用领域
艾迪悌 - IDT 时钟外围集成电路
页数 文件大小 规格书
38页 297K
描述
RISC Microprocessor, 32-Bit, 50MHz, PQCC84, MQUAD-84

79R3081E50MJB 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:QFN
包装说明:QCCJ,针数:84
Reach Compliance Code:compliantECCN代码:3A001.A.2.C
HTS代码:8542.31.00.01风险等级:5.92
Is Samacsys:N地址总线宽度:32
位大小:32边界扫描:NO
最大时钟频率:50 MHz外部数据总线宽度:32
格式:FLOATING POINT集成缓存:YES
JESD-30 代码:S-PQCC-J84JESD-609代码:e0
长度:29.083 mm低功率模式:YES
端子数量:84最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):240
认证状态:Not Qualified筛选级别:MIL-STD-883 Class B
座面最大高度:4.572 mm速度:50 MHz
最大供电电压:5.25 V最小供电电压:4.75 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子面层:TIN LEAD端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:20宽度:29.083 mm
uPs/uCs/外围集成电路类型:MICROPROCESSOR, RISCBase Number Matches:1

79R3081E50MJB 数据手册

 浏览型号79R3081E50MJB的Datasheet PDF文件第2页浏览型号79R3081E50MJB的Datasheet PDF文件第3页浏览型号79R3081E50MJB的Datasheet PDF文件第4页浏览型号79R3081E50MJB的Datasheet PDF文件第5页浏览型号79R3081E50MJB的Datasheet PDF文件第6页浏览型号79R3081E50MJB的Datasheet PDF文件第7页 
IDT 79R3081 , 79R3081E  
IDT79R3081  
RISController  
with FPA  
IDT 79RV3081, 79RV3081E  
Integrated Device Technology, Inc.  
• Large on-chip caches with user configurability  
— 16kB Instruction Cache, 4kB Data Cache  
— Dynamically configurable to 8kB Instruction Cache,  
8kB Data Cache  
— Parity protection over data and tag fields  
• Low cost 84-pin packaging  
• Superset pin- and software-compatible with R3051, R3071  
• Multiplexed bus interface with support for low-cost, low-  
speed memory systems with a high-speed CPU  
• On-chip 4-deep write buffer eliminates memory write stalls  
• On-chip 4-deep read buffer supports burst or simple block  
reads  
FEATURES  
• Instruction set compatible with IDT79R3000A, R3041,  
R3051, and R3071 RISC CPUs  
• High level of integration minimizes system cost  
— R3000A Compatible CPU  
— R3010A Compatible Floating Point Accelerator  
— Optional R3000A compatible MMU  
— Large Instruction Cache  
— Large Data Cache  
— Read/Write Buffers  
• 43VUPS at 50MHz  
— 13MFlops  
• Flexible bus interface allows simple, low cost designs  
• Optional 1x or 2x clock input  
• 20 through 50MHz operation  
• On-chip DMA arbiter  
• Hardware-based Cache Coherency Support  
• Programmable power reduction mode  
• Bus Interface can operate at half-processor frequency  
• "V" version operates at 3.3V  
• 50MHz at 1x clock input and 1/2 bus frequency only  
R3081 BLOCK DIAGRAM  
BrCond(3:2,0)  
Master Pipeline Control  
ClkIn  
Clock Generator  
Unit/Clock Doubler  
System Control  
Coprocessor  
(CP0)  
Floating Point  
Coprocessor  
(CP1)  
Integer  
CPU Core  
Exception/Control  
Registers  
General Registers  
(32 x 32)  
Register Unit  
(16 x 64)  
Memory Management  
Registers  
ALU  
Shifter  
Exponent Unit  
Add Unit  
Divide Unit  
Multiply Unit  
Mult/Div Unit  
Translation  
Lookaside Buffer  
(64 entries)  
Int(5:0)  
Address Adder  
PC Control  
Exception/Control  
Virtual Address  
FP Interrupt  
Data Bus  
Physical Address Bus  
32  
Configurable  
Instruction  
Cache  
Configurable  
Data  
36  
Cache  
(4kB/8kB)  
(16kB/8kB)  
Data Bus  
Parity  
Generator  
R3051 Superset Bus Interface Unit  
4-deep  
Read  
Buffer  
4-deep  
Write  
Buffer  
DMA  
Arbiter  
BIU  
Control  
Coherency  
Logic  
Address/  
Data  
DMA  
Ctrl  
Rd/Wr  
Ctrl  
SysClk Invalidate  
Control  
2889 drw 01  
The IDT logo is a registered trademark, and RISController, R3041, R3051, R3052, R3071, R3081, R3720, R4400, R4600, IDT/kit, and IDT/sim are trademarks of Integrated Device Technology, Inc.  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
SEPTEMBER 1995  
1995 Integrated Device Technology, Inc.  
5.5  
DSC-9064/4  
1

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