PPC440EPX-NPAFFFTS AMCC [Applied Micro Circuits Corporation], PPC440EPX-NPAFFFTS Datasheet - Page 62
PPC440EPX-NPAFFFTS
Manufacturer Part Number
PPC440EPX-NPAFFFTS
Description
PowerPC 440EPx Embedded Processor
Manufacturer
AMCC [Applied Micro Circuits Corporation]
Datasheet
1.PPC440EPX-NPAFFFTS.pdf
(94 pages)
- Current page: 62 of 94
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440EPx – PPC440EPx Embedded Processor
Table 8. Signal Functional Description (Sheet 6 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3 kΩ to OV
3. Must pull down (recommended value is 1 kΩ)
4. If not used, must pull up (recommended value is 3 kΩ to OV
5. If not used, must pull down (recommended value is 1 kΩ)
6. Strapping input during reset; pull-up or pull-down required
62
USB UTMI Peripheral Interface
USB2DI7:0
USB2DO7:0
USB2TxRdy
USB2RxAct
USB2RxDV
USB2RxErr
USB2LS0:1
USB2TxVal
USB2Susp
USB2XcvrSel
USB2TermSel
USB2OM0:1
USB2Clk
USB PHY Peripheral Interface
USB2Xcvr
USB2Xcvr
USB2XtalIn
USB2XtalOut
USB2RExt
NAND Flash Interface
NFALE
NFCE0:3
NFCLE
NFRdyBusy
NFREn
NFWEn
Signal Name
Unidirectional data inputs.
Unidirectional data outputs.
Transmit data ready.
Receive active.
Receive valid.
Receive error.
Line state 0 and Line state 1.
Transmit valid.
Suspend.
Transceiver select.
Termination select.
Operational mode.
USB 2.0 Clock (60 MHz).
USB 2.0 differential transceiver.
USB 2.0 external crystal (48 MHz) or external oscillator (48 MHz).
External crystal: In/Out differential must not be less than
500 mV.
External oscillator: Connect oscillator with signal swing of 3.3 V
between USB2XtalOut and ground.
See Table 19 on page 76.
External resistor connection for bias current.
Use 3.4 kΩ, 1% resistor connected to GND.
Address Latch Enable.
Chip Enable (multiplexed with the PerCS0:3 signals).
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.
DD
(EOV
Description
DD
DD
for Ethernet)
(EOV
DD
for Ethernet)
Revision 1.26 – October 15, 2007
Preliminary Data Sheet
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
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
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-down
5 V tolerant
w/pull-up
w/pull-up
Analog
Analog
Analog
Type
AMCC Proprietary
Notes
1, 5
1
1
1
1
1
1
1
5
1
1
1
1
1
1
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