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参数资料
| 型号： | PowerNP NPe405H |
| 厂商： | IBM Microeletronics |
| 英文描述： | 32-Bit Embedded Processor(32位嵌入式处理器) |
| 中文描述： | 32位嵌入式处理器（32位嵌入式处理器） |
| 文件页数： | 40/64页 |
| 文件大小： | 1050K |
| 代理商： | POWERNP NPE405H |
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Advance Information
PowerNP
TM
NPe405H Embedded Processor Data Sheet
40
PHY0RxDV[PHY0CrS1DV]
Receive Data Valid. Data on the Data Bus is valid when
this signal is activated. Deassertion of this signal indicates
end of the frame reception (MII 0).
or
Carrier sense data valid ([RMII 1])
I
5V tolerant
3.3V LVTTL
1, 5
PHY0RxErr[PHY0Rx0Er]
Receive Error. This signal comes from the PHY and is
synchronous with PHY0RxClk (MII 0 [RMII 0]).
I
5V tolerant
3.3V LVTTL
1, 5
PHY0TxClk[PHY0RefClk]
Transmit medium clock. This signal is generated the PHY
([MII 0]).
or
Reference Clock [RMII and SMII].
I
5V tolerant
3V LVTTL
1, 4
[PHY1Col][PHY1Rx3Er]
Collision [receive error] signal from the PHY. This is an
asynchronous signal ([MII 1]).
or
Receive Error. This signal comes from the PHY and is
synchronous with PHY1RxClk ([RMII 3]).
I
5V tolerant
3.3V LVTTL
1, 5
[PHY1CrS][PHY1CrS2DV]
Carrier Sense signal from the PHY. This is an
asynchronous signal ([MII 1]).
or
Carrier Sense Data Valid ([RMII 2]).
I
5V tolerant
3.3V LVTTL
[PHY1RxClk]
Receiver medium clock. This signal is generated by the
PHY ([MII 1]).
I
5V tolerant
3.3V LVTTL
1, 4
[PHY1RxDV][PHY1CrS3DV]
Receive Data Valid ([MII 0]).
or
Carrier Sense Data Valid ([RMII 3]).
i
5V tolerant
3.3V LVTTL
[PHY1RxErr][PHY1Rx2Er]
Receive Error. This signal comes from the PHY and is
synchronous with PHY1RxClk ([MII 1][RMII 2]).
I
5V tolerant
3.3V LVTTL
[PHY1TxClk]
Transmit medium clock. This signal is generated the PHY
([MII 1]).
I
5V tolerant
3.3V LVTTL
1, 4
SDRAM Interface
MemData0:31
Memory Data bus
Notes:
1. MemData0 is the most significant bit (msb).
2. MemData31 is the least significant bit (lsb).
I/O
3.3V LVTTL
4
MemAddr12:0
Memory Address bus.
Notes:
1. MemAddr12 is the most significant bit (msb).
2. MemAddr0 is the least significant bit (lsb).
O
3.3V LVTTL
Signal Functional Description
(Part 4 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
to 3.3V, 10k
to 5V
)
3. Must pull down (recommended value is 1k
)
4. If not used, must pull up (recommended value is 3k
to 3.3V)
5. If not used, must pull down (recommended value is 1k
)
Signal Name
Description
I/O
Type
Notes
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