ppc440ep Applied Micro Circuits Corporation (AMCC), ppc440ep Datasheet - Page 57

• Manufacturer Part Number: ppc440ep
• Description: Powerpc 440ep Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Table 8. Signal Functional Description (Sheet 6 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3kΩ to 3.3V)
3. Must pull down (recommended value is 1kΩ)
4. If not used, must pull up (recommended value is 3kΩ to 3.3V)
5. If not used, must pull down (recommended value is 1kΩ)
6. Strapping input during reset; pull-up or pull-down required
AMCC Proprietary
440EP – PPC440EP Embedded Processor
USB/UTMI Peripheral Interface
USB2DI0:7
USB2DO0:7
USB2TxRdy
USB2RxAct
USB2RxDV
USB2RxErr
USB2LS0
USB2LS1
USB2TxVal
USB2Susp
USB2XcvrSel
USB2TermSel
USB2OM0:1
USB1HostXcvr
USB1HostXcvr
USB1DevXcvr
USB1DevXcvr
USB2Clk
USB1Clk
Signal Name
Unidirectional data inputs.
Unidirectional data outputs.
Transmit data ready.
Receive active.
Receive data valid.
Receive error.
Line state 0.
Line state 1.
Transmit valid.
Suspend.
Transceiver select.
Termination select.
Operational mode.
USB 1.1 Host differential transceiver.
USB 1.1 Device differential transceiver.
USB 2.0 Clock
Requires 60MHz signal for operation in 1.1 or 2.0 mode.
USB 1.1 Host Clock (48MHz)
Note: If not used for USB, must be connected to a clock signal with
a frequency between 32kHz and 48MHz.
Description
Revision 1.29 – May 07, 2008
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
Data Sheet
USB diff xcvr
USB diff xcvr
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
3.3V tolerant
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
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
2.5V CMOS
5V tolerant
5V tolerant
Type
Notes
5
2
5
5
5
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