ppc440epx Applied Micro Circuits Corporation (AMCC), ppc440epx Datasheet - Page 63

• Manufacturer Part Number: ppc440epx
• Description: Powerpc 440epx Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Revision 1.29 – July 22, 2008
Table 8. Signal Functional Description (Sheet 7 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3kΩ to OV
3. Must pull down (recommended value is 1kΩ)
4. If not used, must pull up (recommended value is 3kΩ to OV
5. If not used, must pull down (recommended value is 1kΩ)
6. Strapping input during reset; pull-up or pull-down required
AMCC Proprietary
Preliminary Data Sheet
Serial Peripheral Interface
SCPClkOut
SCPDI
SCPDO
Interrupts Interface
IRQ0:4
IRQ5
IRQ6:9
JTAG Interface
TCK
TDI
TDO
TMS
TRST
Signal Name
Clock output.
Data input.
Data output.
External interrupt requests 0 through 4.
External interrupt request 5.
External interrupt requests 6 through 9.
Test Clock.
Test Data In.
Test Data Out.
Test Mode Select.
Test Reset.
Note: Must be asserted low during a power-on system reset in
order to reset the JTAG interface. If the JTAG interface is not
reset, the processor may not boot.
DD
(EOV
Description
DD
DD
for Ethernet)
440EPx – PPC440EPx Embedded Processor
(EOV
DD
for Ethernet)
I/O
I/O
I/O
I/O
I/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
w/pull-up
w/pull-up
w/pull-up
w/pull-up
Type
Rcvr
Notes
1, 5
1, 4
1, 5
2
2
2
1
1
1
1
63