80960KB 데이터 시트보기 (PDF) - Intel

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80960KB

EMBEDDED 32-BIT MICROPROCESSOR WITH INTEGRATED FLOATING-POINT UNIT

Intel 

Contents

FIGURES

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80960KA Programming Environment ........................................................................................ 1

Instruction Formats .................................................................................................................... 4

Multiple Register Sets Are Stored On-Chip ............................................................................... 6

Connection Recommendations for Low Current Drive Network .............................................. 11

Connection Recommendations for High Current Drive Network .............................................. 11

Typical Supply Current vs. Case Temperature ......................................................................... 12

Typical Current vs. Frequency (Room Temp) .......................................................................... 12

Typical Current vs. Frequency (Hot Temp) .............................................................................. 13

Worst-Case Voltage vs. Output Current on Open-Drain Pins .................................................. 13

Capacitive Derating Curve ....................................................................................................... 13

Test Load Circuit for Three-State Output Pins ......................................................................... 14

Test Load Circuit for Open-Drain Output Pins .......................................................................... 14

Drive Levels and Timing Relationships for 80960KA Signals .................................................. 16

Processor Clock Pulse (CLK2) ........................................................................................ ........ 20

RESET Signal Timing ................................................................................................. ............. 20

132-Lead Pin-Grid Array (PGA) Package ............................................................................... . 21

80960KA PGA Pinout—View from Bottom (Pins Facing Up) ................................................... 22

80960KA PGA Pinout—View from Top (Pins Facing Down) .................................................... 23

80960KA 132-Lead Plastic Quad Flat-Pack (PQFP) Package ................................................ 23

PQFP Pinout - View From Top ................................................................................................. 24

HOLD Timing ........................................................................................................................... 30

16 MHz Maximum Allowable Ambient Temperature ................................................................ 31

20 MHz Maximum Allowable Ambient Temperature ................................................................ 31

25 MHz Maximum Allowable Ambient Temperature ................................................................ 32

Maximum Allowable Ambient Temperature

for the Extended Temperature 80960KA at 20 MHz in PGA Package ...................................... 32

Burst Read and Write Transaction Without Wait States ........................................................... 34

Burst Write Transaction with 2, 1, 1, 1 Wait States .................................................................. 35

Accesses Generated by Quad Word Read Bus Request,

Misaligned Two Bytes from Quad Word Boundary (1, 0, 0, 0 Wait States) .............................. 36

Interrupt Acknowledge Transaction ......................................................................................... 37

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