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PPC440EP 数据表(PDF) 55 Page - Applied Micro Circuits Corporation

部件名 PPC440EP
功能描述  Power PC 440EP Embedded Processor
PDF  84 Pages
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制造商  AMCC [Applied Micro Circuits Corporation]
网页  http://www.amcc.com
标志 AMCC - Applied Micro Circuits Corporation

PPC440EP 数据表(HTML) 55 Page - Applied Micro Circuits Corporation

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AMCC Proprietary
55
440EP – PPC440EP Embedded Processor
Data Sheet
Revision 1.26 – April 25, 2007
USB/UTMI Peripheral Interface
USB2DI0:7
Unidirectional data inputs.
I
3.3V tolerant
2.5V CMOS
5
USB2DO0:7
Unidirectional data outputs.
O
3.3V tolerant
2.5V CMOS
USB2TxRdy
Transmit data ready.
I
3.3V tolerant
2.5V CMOS
USB2RxAct
Receive active.
I
3.3V tolerant
2.5V CMOS
USB2RxDV
Receive data valid.
I
3.3V tolerant
2.5V CMOS
USB2RxErr
Receive error.
I
3.3V tolerant
2.5V CMOS
USB2LS0
Line state 0.
I
3.3V tolerant
2.5V CMOS
2
USB2LS1
Line state 1.
I
3.3V tolerant
2.5V CMOS
USB2TxVal
Transmit valid.
O
3.3V tolerant
2.5V CMOS
USB2Susp
Suspend.
O
3.3V tolerant
2.5V CMOS
USB2XcvrSel
Transceiver select.
O
3.3V tolerant
2.5V CMOS
USB2TermSel
Termination select.
O
3.3V tolerant
2.5V CMOS
USB2OM0:1
Operational mode.
O
3.3V tolerant
2.5V CMOS
USB1HostXcvr
USB1HostXcvr
USB 1.1 Host differential transceiver.
I/O
5V tolerant
USB diff xcvr
5
USB1DevXcvr
USB1DevXcvr
USB 1.1 Device differential transceiver.
I/O
5V tolerant
USB diff xcvr
5
USB2Clk
USB 2.0 Clock
Requires 60MHz signal for operation in 1.1 or 2.0 mode.
I
3.3V tolerant
2.5V CMOS
5
USB1Clk
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.
I
3.3V tolerant
2.5V CMOS
Table 6. Signal Functional Description (Sheet 6 of 9)
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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