參數資料
型號: LR4500
廠商: LSI Corporation
英文描述: Superscalar Microprocessor(超標量微處理器)
中文描述: 超標量微處理器(超標量微處理器)
文件頁數: 85/172頁
文件大?。?/td> 1142K
代理商: LR4500
Internal Interface
5-15
SCB32n
32-Bit Bus Width Sizing
The external Lbus slave asserts SCB32n to indicate that
the SCbus needs 32-bit bus sizing. The CW4011 core
samples this signal on the rising edge of the clock that
synchronizes the SCbus ready signal, SCBRDYn. If
SCB32n is asserted for a 64-bit transaction, which is a
doubleword transaction or part of a burst transaction, the
bus interface unit in the CW4011 core generates a
subsequent 32-bit word transaction and packs data to
64 bits for a read transaction or unpacks data to 32 bits
for a write transaction.
Input to Shell from SCLC
SCBEn[7:0]
Byte Enable
Bidirectional between Shell and SCLC
and Input to DRAMC
SCBEn[7:0] indicates which byte positions are valid for a
read or write transaction. The CW4011 asserts the
signals and outputs them to the SCLC or the DRAMC.
The Lbus device can also assert the signals and input
them to the CW4011 through the SCLC. Only one of the
signals is asserted during a byte read or byte write
transaction. All signals are asserted for a doubleword or
burst transaction.
SCTBEn Signal
Valid Byte positions
0
1
2
3
4
5
6
7
All
SCDop[7:0]
SCDop[15:8]
SCDop[23:16]
SCDop[31:24]
SCDop[39:32]
SCDop[47:40]
SCDop[55:48]
SCDop[63:56]
Doubleword or Burst transaction
相關PDF資料
PDF描述
LRC1220LTC750.025R Fractional Ohm
LRC Fractional Ohm
LRC1220H Fractional Ohm
LRC1220HTC1000.025R Fractional Ohm
LRC1220HTC1000.05R Fractional Ohm
相關代理商/技術參數
參數描述
LR4-550 功能描述:可復位保險絲 5.5A 20V 100A Imax RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550F 功能描述:可復位保險絲 5.5A 20V 100A Imax RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550R 功能描述:可復位保險絲 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550R-2 功能描述:可復位保險絲 LR4-550R-2 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550RAF 功能描述:可復位保險絲 5.5A STRAP Polyswitch PTC RESET RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C