參數(shù)資料
型號(hào): 440GX
廠商: Applied Micro Circuits Corp.
英文描述: Power PC 440GX Embedded Processor
中文描述: 超出了Power PC嵌入式處理器
文件頁(yè)數(shù): 47/93頁(yè)
文件大小: 794K
代理商: 440GX
440GX – Power PC 440GX Embedded Processor
AMCC
51
Revision 1.15 – August 30, 2007
Data Sheet
PCIXTRDY
Indicates the target agent’s ability to complete the current data
phase of the transaction.
I/O
3.3V PCI
4
DDR SDRAM Interface
BA0:1
Bank Address supporting up to four internal banks.
O
2.5V SSTL_2
BankSel0:3
Selects up to four external DDR SDRAM banks.
O
2.5V SSTL_2
CAS
Column Address Strobe.
O
2.5V SSTL_2
ClkEn0:3
Clock Enable. One for each bank.
O
2.5V SSTL_2
DM0:8
Memory write data byte lane masks. MEMDM8 is the byte lane
mask for the ECC byte lane.
O
2.5V SSTL_2
DQS0:8
Byte lane data strobe. DQS8 is the data strobe for the ECC byte
lane.
I/O
2.5V SSTL_2
ECC0:7
ECC check bits 0:7.
I/O
2.5V SSTL_2
MemAddr00:12
Memory address bus.
O
2.5V SSTL_2
MemClkOut0
Subsystem clock.
O
2.5V SSTL_2
MemData00:63
Memory data bus.
I/O
2.5V SSTL_2
MemVRef1:2
Memory reference voltage (SVREF) input.
I
Voltage Ref
Receiver
RAS
Row Address Strobe.
O
2.5V SSTL_2
WE
Write Enable.
O
2.5V SSTL_2
Ethernet Interface
EMCCD,
EMC1RxErr,
GMCGTxClk,
GMC0TxClk,
TBITxClk,
RTBI0TxClk
MII: Collision detection
RMII 1: Receive error
GMII: 1000Mbps Transmit clock
RGMII: Transmit clock
TBI: Transmit clock
RTBI: Transmit clock
I/O
3.3V tolerant
2.5V CMOS
EMCCrS,
EMC0CrSDV,
GMCTxD7,
GMC1TxD3,
TBITxD7,
RTBI1TxD3
MII: Carrier sense
RMII 0: Carrier sense data valid
GMII: Transmit data
RGMII 1: Transmit data
TBI: Transmit data
RTBI 1: Transmit data
I/O
3.3V tolerant
2.5V CMOS
EMCMDClk
MII and RMII: Management data clock
O
3.3V tolerant
2.5V CMOS
EMCMDIO
MII and RMII: Transfer command and status information between
MII and PHY
I/O
3.3V tolerant
2.5V CMOS
Signal Functional Description (Sheet 2 of 8)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
Ω to 3.3V)
3. Must pull down (recommended value is 1k
Ω)
4. If not used, must pull up (recommended value is 3k
Ω to 3.3V)
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
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