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參數(shù)資料
| 型號： | 80960CF-16 |
| 廠商： | Intel Corp. |
| 英文描述： | 32-Bit High-Performance Superscalar Embedded Microprocessor(32位高性能超標量嵌入式微處理器) |
| 中文描述： | 32位高性能嵌入式微處理器超標量（32位高性能超標量嵌入式微處理器） |
| 文件頁數(shù)： | 73/77頁 |
| 文件大小： | 927K |
| 代理商： | 80960CF-16 |
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PRELIMINARY
67
A
80960CF-40, -33, -25, -16
Figure 44. DREQ and DACK Functional Timing
Figure 45. EOP Functional Timing
PCLK2:1
ADS
! (
BLAST
&
READY
&
!WAIT
)
DACKx
(All Modes)
DREQx
(Case 1)
DREQx
(Case 2)
Note:
1. Case 1: DREQ must deassert before DACK deasserts. This applies to all Fly-By modes: source synchronized
packing modes and destination synchronized unpacking modes.
2. Case 2: DREQ must be deasserted by the second clock (rising edge) after DACK is driven high.
This applies to all other DMA transfers.
3. DACKx is asserted for the duration of a DMA bus request. The request may consist of multiple bus
accesses (defined by ADS and BLAST).
F_CX018A
System
Clock
Start DMA
Bus Request
End DMA
Bus Request
DMA
Acknowledge
DMA
Request
t
IS6
t
IH6
t
IS6
t
IH6
(see Note)
high to prevent next bus cycle
high to prevent next bus cycle
PCLK2:1
EOP
F_CX045A
Note
: EOP has the same AC Timing Requirements as DREQ to prevent unwanted DMA requests. EOP is NOT edge
held for a minimum of 2 clock cycles then deasserted within 15 clock cycles.
triggered. EOP
must be
15 CLKs Max
2 CLKs Min
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 80960CF-25 | 32-Bit High-Performance Superscalar Embedded Microprocessor(32位高性能超標量嵌入式微處理器) |
| 80960CF-33 | 32-Bit High-Performance Superscalar Embedded Microprocessor(32位高性能超標量嵌入式微處理器) |
| 80960CF-40 | 32-Bit High-Performance Superscalar Embedded Microprocessor(32位高性能超標量嵌入式微處理器) |
| 80960CF | 32-Bit High-Performance Superscalar Processor(32位高性能超標量處理器) |
| 80960JD | EMBEDDED 32-BIT MICROPROCESSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 80960CF-25 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:80960CF-40, -33, -25, -16 32-BIT HIGH-PERFORMANCE SUPERSCALAR EMBEDDED MICROPROCESSOR |
| 80960CF-30 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:SPECIAL ENVIRONMENT 80960CF-30, -25, -16 32-BIT HIGH-PERFORMANCE SUPERSCALAR PROCESSOR |
| 80960CF-33 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:80960CF-40, -33, -25, -16 32-BIT HIGH-PERFORMANCE SUPERSCALAR EMBEDDED MICROPROCESSOR |
| 80960CF-40 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:80960CF-40, -33, -25, -16 32-BIT HIGH-PERFORMANCE SUPERSCALAR EMBEDDED MICROPROCESSOR |
| 80960HA | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:80960HA/HD/HT 32-Bit High-Performance Superscalar Processor |
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