PPC460EX-SUB800N AMCC, PPC460EX-SUB800N Datasheet - Page 71

• Manufacturer Part Number: PPC460EX-SUB800N
• Manufacturer: AMCC

Revision 1.19 – June 17, 2009
Table 9. Signal Functional Description (Part 8 of 10)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3kΩ to OV
3. Must pull down (recommended value is 1kΩ to GND)
4. If not used, must pull up (recommended value is 3kΩ for LVTTL or 8.2kΩ for PCI to OV
5. If not used, must pull down (recommended value is 1kΩ)
6. Strapping input during reset; pull-up (recommended value is 3kΩ to OV
AMCC Proprietary
USB 2.0 Host Interface
USB2HD7:0
USB2HDir
USB2HNext
USB2HStop
USB2HClk
USB2HClk48
NAND Flash Interface
NFALE
NFCLE
NFRdyBusy
NFREn
NFWEn
NFCE0:3
Serial Peripheral Interface
SPIClkOut
SPIDI
SPIDO
Interrupts Interface
IRQ0:15
Preliminary Data Sheet
GND) required
Signal Name
Bidirectional Host data bus.
Transfer direction. PHY has data to transfer.
Next transfer. Input signal from the PHY:
Stop transfer. Output signal to the PHY:
USB 2.0 Host clock—60MHz.
USB 2.0 Host clock—48MHz.
Address Latch Enable.
Command Latch Enable.
Latches operational commands into the NAND Flash.
Ready/Busy.
Indicates status of device during program erase or page read.
This signal is wire-OR connected from all NAND Flash devices.
Read Enable.
Data is latched on the rising edge.
Write Enable.
Data is latched on the rising edge.
Chip enable.
Clock output.
Data input.
Data output.
External interrupt requests 0 through 15.
Receiving—ready to accept the next data transfer.
Transmitting—a new byte is ready to send.
Receiving—stop transferring data.
Transmitting—the last byte of data has been sent.
DD
or 8.2kΩ for PCI to OV
Description
460EX – PPC460EX Embedded Processor
DD
DD
) or pull-down (recommended value is 1kΩ to
or equivalent.
DD
or equivalent.
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
3.3V LVTTL
w/pull-up
Type
Notes
1, 5
1, 5
1, 5
1, 5
1
1
2
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