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參數(shù)資料
| 型號(hào)： | ACT-7000SC-150F24M |
| 廠商： | Aeroflex Inc. |
| 元件分類： | 64位微處理器 |
| 英文描述： | ACT 7000SC 64-Bit Superscaler Microprocessor |
| 中文描述： | 法7000SC 64位微處理器Superscaler |
| 文件頁(yè)數(shù)： | 16/25頁(yè) |
| 文件大?。?/td> | 487K |
| 代理商： | ACT-7000SC-150F24M |
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Aeroflex Circuit Technology
SCD7000SC REV B 7/30/01 Plainview NY (516) 694-6700
16
kept in a low cost EPROM; alternatively the twenty or
so bits could be generated by the system interface
ASIC.
Immediately after the
VccOK
signal is asserted, the
processor reads a serial bit stream of 256 bits to
initialize all the fundamental operational modes.
ModeClock
runs continuously from the assertion of
VccO
K.
Boot-Time Modes
The boot-time serial mode stream is defined in
Table 16. Bit 0 is the bit presented to the processor
when
VccOK
is deasserted; bit 255 is the last.
Table 16 – Boot Time Mode Stream
Mode bit
Description
0
Reserved: Must be zero
4..1
Write-back data rate
0:
DDDD
1:
DDxDDx
2:
DDxxDDxx
3:
DxDxDxDx
4:
DDxxxDDxxx
5
DDxxxxDDxxxx
6:
DxxDxxDxxDxx
7:
DDxxxxxxDDxxxxxx
8:
DxxxDxxxDxxxDxxx
9-15:Reserved
7..5
SysClock to Pclock Multiplier
Mode bit 20 = 0 / Mode bit 20 = 1
0:
Multiply by 2/x
1: Multiply by 3/x
2: Multiply by 4/x
3: Multiply by 5/2.5
4: Multiply by 6/x
5: Multiply by 7/3.5
6: Multiply by 8/x
7: Multiply by 9/4.5
8
Specifies byte ordering. Logically ORed
with BigEndian input signal.
0:
Little endian
1: Big endian
10..9
Non-Block Write Control
00: R4000 compatible non-block writes
01: Reserved
10: pipelined non-block writes
11: non-block write re-issue
11
Timer Interrupt Enable/Disable
0: Enable the timer interrupt on IP[5]
1: Disable the timer interrupt on IP[5]
12
Reserved: Must be zero
14..13
Output driver strength - 100% = fastest
00: 67% strength
01: 50% strength
10: 100% strength
11: 83% strength
15
Reserved must be zero
17..16
System configuration identifiers -
software visible in processor
Config[21..20] register
19..18
Reserved: Must be zero
20
Pclock to SysClock multipliers.
0: Integer multipliers (2,3,4,5,6,7,8,9)
1:
Half integer multipliers (2.5,3.5,4.5)
21
External Bus Width.
0: 64-bit
1: 32-bit
23..22
Reserved: Must be zero
24
JTLB Size.
0: 48 dual-entry
1:
64 dual-entry
25
On-chip secondary cache control.
0: Disable
1: Enable
255..26
Reserved: Must be zero
Table 16 – Boot Time Mode Stream (Cont.)
Mode bit
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ACT-7000SC-150F24Q | ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-150F24T | ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F17C | ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F24C | ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F24I | ACT 7000SC 64-Bit Superscaler Microprocessor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACT-7000SC-150F24Q | 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-150F24T | 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F17C | 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F17I | 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor |
| ACT-7000SC-200F17M | 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor |
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