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PPC405EX-SPAFFFTX датащи(PDF) 42 Page - Applied Micro Circuits Corporation

номер детали PPC405EX-SPAFFFTX
подробное описание детали  PowerPC 405EX Embedded Processor
PDF  67 Pages
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производитель  AMCC [Applied Micro Circuits Corporation]
домашняя страница  http://www.amcc.com
Logo AMCC - Applied Micro Circuits Corporation

PPC405EX-SPAFFFTX датащи(HTML) 42 Page - Applied Micro Circuits Corporation

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PPC405EX – PowerPC 405EX Embedded Processor
42
AMCC Proprietary
Revision 1.09 - August 21, 2007
Preliminary Data Sheet
NAND Flash Interface
NFALE
Address latch enable.
I/O
3.3V LVTTL
NFCE0
Chip select 0.
O
3.3V LVTTL
NFCE1:3
Chip selects 1:3.
I/O
3.3V LVTTL
1, 2
NFCLE
Command latch enable.
I/O
3.3V LVTTL
NFData00:15
Data Bus
I/O
3.3V LVTTL
NFRdyBusy
Read/Busy. If low, indicates that Read/Erase command is in process.
If high, indicates that the command is complete.
I/O
3.3V LVTTL
NFRE
Read enable.
I/O
3.3V LVTTL
NFWE
Write enable.
I/O
3.3V LVTTL
DDR1/2 SDRAM Interface
MemData00:31
Memory data.
I/O
2.5V (1.8V)
SSTL2 Dr/Rcv
MemAddr00:14
Memory address.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
RAS
Row address strobe.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
CAS
Column address strobe.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
MemClkEn
Clock enable.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
MemClkOut0
MemClkOut0
Differential DDR SDRAM clock output.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
MemFBD
Feedback driver.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
MemFBR
Feedback receiver. Connect externally to MemFBD.
I
2.5V (1.8V)
SSTL2 Dr/Rcv
MemODT0:1
On-die termination.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
DM0:4
Write data byte lane mask. DM4 is the byte lane mask for the ECC
byte lane.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
DQS0:4
Byte lane strobe. DQS4 is the strobe for the ECC lane.
I/O
2.5V (1.8V)
SSTL2 Dr/Rcv
BA0:2
Bank address for up to eight banks.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
BankSel0:1
Bank select for up to two SDRAM memory banks.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
ECC0:7
ECC check bit byte.
I/O
2.5V (1.8V)
SSTL2 Dr/Rcv
WE
Write enable.
O
2.5V (1.8V)
SSTL2 Dr/Rcv
Table 6. Signal Functional Description (Sheet 5 of 7)
Notes:
1. Receiver input has hysteresis.
2. Must pull up. See “Pull-Up and Pull-Down Resistors” on page 37 for recommended termination values.
3. Must pull down. See “Pull-Up and Pull-Down Resistors” on page 37 for recommended termination values.
4. If not used, must pull up.
5. If not used, must pull down.
6. Strapping input during reset; pull up or pull down as required.
Signal Name
Description
I/O
Type
Notes



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