Revision 1.29 – May 07, 2008
440EP – PPC440EP Embedded Processor
Data Sheet
Table 19. I/O Specifications—PCI, USB, UART, IIC, SPI, Ethernet, System and Debug Interfaces (Sheet 3 of 3)
Notes:
1. Ethernet interface meets timing requirements as defined by IEEE 802.3 standard.
2. EMCSync is a weak driver. Redrive EMCSync when driving more than one load.
Input (ns)
Output (ns)
Output Current (mA)
Signal
Clock
Notes
Setup Time Hold Time
Valid Delay
(TOV max)
Hold Time
(TOH min)
I/O H
(minimum)
I/O L
(minimum)
(TIS min)
(TIH min)
JTAG Interface
TCK
n/a
n/a
n/a
n/a
async
async
async
async
async
TDI
TDO
15.3
n/a
10.2
n/a
TMS
TRST
n/a
n/a
System Interface
SysReset
Halt
n/a
n/a
n/a
n/a
7.1
7.1
async
async
async
SysErr
10.3
10.3
GPIO00:63
Trace Interface
TrcClk
10.3
10.3
10.3
10.3
7.1
7.1
7.1
7.1
TrcBS0:2
TrcES0:4
TrcTS0:6
TrcBS0:2
TrcES0:4
TrcTS0:6
AMCC Proprietary
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