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| 型号： | 440EPX |
| 厂商： | Applied Micro Circuits Corp. |
| 英文描述： | PowerPC 440EPx Embedded Processor |
| 中文描述： | 嵌入式处理器的PowerPC 440EPx |
| 文件页数： | 57/94页 |
| 文件大小： | 738K |
| 代理商： | 440EPX |
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440EPx – PPC440EPx Embedded Processor
Preliminary Data Sheet
60
AMCC Proprietary
Revision 1.26 – October 15, 2007
External Slave Peripheral Interface
DMAAck0:3
Used by the PPC440EPx to indicate that data transfers have
occurred.
O
3.3V LVTTL
1
DMAReq0
Used by slave peripherals to indicate they are prepared to
transfer data.
I
3.3V LVTTL
1
DMAReq1
Used by slave peripherals to indicate they are prepared to
transfer data.
I
3.3V LVTTL
1, 5
DMAReq2:3
Used by slave peripherals to indicate they are prepared to
transfer data.
I
3.3V LVTTL
1
EOT0:3/TC0:3
End Of Transfer/Terminal Count.
I/O
3.3V LVTTL
1
PerAddr02:07
Peripheral address bus used by the PPC440EPx when not in
external master mode; otherwise, used by external master.
I/O
3.3V LVTTL
1, 2
PerAddr08:31
Peripheral address bus used by the PPC440EPx when not in
external master mode; otherwise, used by external master.
I/O
3.3V LVTTL
PerData00:31
Peripheral data bus used by the PPC440EPx when not in
external master mode; otherwise, used by external master.
Note: PerData00 is the most significant bit (msb) on this bus.
I/O
3.3V LVTTL
PerDataPar0:3
Peripheral data bus parity used by the PPC440EPx when not in
external master mode; otherwise, used by external master.
I/O
3.3V LVTTL
PerBLast
Used by either the peripheral controller, DMA controller, or
external master to indicates the last transfer of a memory access.
I/O
3.3V LVTTL
1, 4
PerCS0
External peripheral device select.
O
3.3V LVTTL
2
PerCS1:5
External peripheral device select.
I/O
3.3V LVTTL
1, 2
PerOE
Used by either peripheral controller or DMA controller depending
upon the type of transfer involved. When the PPC440EPx is the
bus master, it enables the selected device to drive the bus.
O
3.3V LVTTL
1, 2
PerReady
Used by a peripheral slave to indicate it is ready to transfer data.
I
3.3V LVTTL
1
PerR/W
Used by the PPC440EPx when not in external master mode, as
output by either the peripheral controller or DMA controller
depending upon the type of transfer involved. High indicates a
read from memory, low indicates a write to memory.
Otherwise, it is used by the external master as an input to
indicate the direction of transfer.
I/O
3.3V LVTTL
1, 2
PerWBE0:3
External peripheral data bus byte enables.
I/O
3.3V LVTTL
1, 2
PerErr
External Error. Used as an input to record external slave
peripheral errors.
I
3.3V LVTTL
1
Table 8. Signal Functional Description (Sheet 4 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
Ω to OV
DD (EOVDD for Ethernet)
3. Must pull down (recommended value is 1k
Ω)
4. If not used, must pull up (recommended value is 3k
Ω to OV
DD (EOVDD for Ethernet)
5. If not used, must pull down (recommended value is 1k
Ω)
6. Strapping input during reset; pull-up or pull-down required
Signal Name
Description
I/O
Type
Notes
相关PDF资料 |
PDF描述 |
|---|---|
| 440EP | Power PC 440EP Embedded Processor |
| 440GP | Power PC 440GP Embedded Processor |
| 440GRX | PowerPC 440GRx Embedded Processor |
| 440GR | Power PC 440GR Embedded Processor |
| 440GX | Power PC 440GX Embedded Processor |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 440ES001B1434-4 | 功能描述:环形MIL规格后盖 CRIMIP RING ADPTR DC STRAIGHT RoHS:否 制造商:Amphenol PCD MIL 类型:MIL-DTL-38999 III, IV 系列:AS85049 产品类型:Environmental EMI/RFI Backshells 外壳类型:Straight 外壳大小:18 外壳材质:Aluminum Alloy |
| 440ES031M1633-3B | 功能描述:环形MIL规格后盖 BND/SHRNK BOOT ADPTR DC STRAIGHT BAND RoHS:否 制造商:Amphenol PCD MIL 类型:MIL-DTL-38999 III, IV 系列:AS85049 产品类型:Environmental EMI/RFI Backshells 外壳类型:Straight 外壳大小:18 外壳材质:Aluminum Alloy |
| 440ES031M2003-3B | 功能描述:环形MIL规格后盖 BND/SHRNK BOOT ADPTR DC STRAIGHT BAND RoHS:否 制造商:Amphenol PCD MIL 类型:MIL-DTL-38999 III, IV 系列:AS85049 产品类型:Environmental EMI/RFI Backshells 外壳类型:Straight 外壳大小:18 外壳材质:Aluminum Alloy |
| 440FA002NF1002-N | 功能描述:环形MIL规格后盖 RoHS:否 制造商:Amphenol PCD MIL 类型:MIL-DTL-38999 III, IV 系列:AS85049 产品类型:Environmental EMI/RFI Backshells 外壳类型:Straight 外壳大小:18 外壳材质:Aluminum Alloy |
| 440FA002NF1006-N | 功能描述:环形MIL规格后盖 RoHS:否 制造商:Amphenol PCD MIL 类型:MIL-DTL-38999 III, IV 系列:AS85049 产品类型:Environmental EMI/RFI Backshells 外壳类型:Straight 外壳大小:18 外壳材质:Aluminum Alloy |
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