ppc405ex Applied Micro Circuits Corporation (AMCC), ppc405ex Datasheet - Page 44

• Manufacturer Part Number: ppc405ex
• Description: Powerpc 405ex Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

PPC405EX – PowerPC 405EX Embedded Processor
Table 6. Signal Functional Description (Sheet 6 of 7)
Notes:
1. Receiver input has hysteresis.
2. Must pull up. See “Pull-Up and Pull-Down Resistors” on page 38 for recommended termination values.
3. Must pull down. See “Pull-Up and Pull-Down Resistors” on page 38 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.
44
S
S
Serial Communication Port (SCP) Interface
SCPClkOut
SCPDI
SCPDO
UART Peripheral Interface
The UART interface can be configured as follows:
1. One 8-pin
2. Two 4-pin
3. Two 2-pin (pull up DCD, DSR, CTS and RTS)
4. One 4-pin and one 2-pin
UARTSerClk
UARTnCTS
UARTnDCD
UARTnDSR
UARTnDTR
UARTnRI
UARTnRTS
UARTnRx
UARTnTx
USB 2.0 Interface
USB2Clk
USB2Data0:7
USB2Dir
USB2Next
USB2Stop
VREF
VREF
1A:B
2A:B
Signal Name
DDR 1 (DDR2) Reference voltage 1 and 2 inputs:
Minimum +1.15 (+0.825)V
Nomimal +1.25 (+0.9)V
Maximum +1.35 (0.975)V
Output clock.
Data input.
Data output.
Serial clock input.
Clear to send.
Data carrier detect.
Data set ready.
Data terminal ready.
Ring indicator.
Request to send.
Receive data.
Transmit data.
USB clock.
Parallel data bus.
Data bus direction control.
Next data byte control. When data is being transferred to the PHY,
the next byte should be sent. When data is being received from the
PHY, the next byte is available.
Stop output control.
Description
Preliminary Data Sheet
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Revision 1.21 - July 9, 2008
Volt ref receiver
1.25V (0.9V)
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-up
receiver
receiver
Type
AMCC Proprietary
Notes
1, 6
1, 6
1, 6
1
1
1
5