EWIXP425BBT Intel, EWIXP425BBT Datasheet - Page 124

• Manufacturer Part Number: EWIXP425BBT
• Manufacturer: Intel

Specifications of EWIXP425BBT

• Core Operating Frequency: 266MHz
• Package Type: BGA
• Pin Count: 492
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Figure 44.
Table 67.
5.5.3
5.5.3.1
Intel
Datasheet
124
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
IXC1100 control plane processors, and a Soft Reset is executed by the watchdog timer.
Boundary-Scan Reset Timings
Boundary-Scan Interface Timings Values
Reset Timings
The IXP42X product line and IXC1100 control plane processors’ can be reset in any of
the following three modes:
Normally, a Cold Reset is executed each time power is initially applied to the board, a
Warm Reset is executed when it is only intended to reset the IXP42X product line and
Cold Reset
A Cold Reset condition is when the network processor is initially powered-up and has
successfully come out of the Reset. During this state all internal modules and registers
are set to the initial default state. To successfully come out of reset, two things must
occur:
Notes:
1.
2.
• Cold Reset
• Warm Reset
• Soft Reset.
• Proper power sequence as described in
Symbol
T
T
T
T
T
T
T
T
T
bsch
bsoh
bsod
bsrs
bsrh
bscl
bsis
bsih
bsr
Tests completed with a TBD pF load to ground on JTAG_TDO.
JTAG_TCK may be stopped indefinitely in either the low or high phase.
JTAG_TCK low time
JTAG_TCK high time
JTAG_TDI, JTAG_TMS setup time
to rising edge of JTAG_TCK
JTAG_TDI, JTAG_TMS hold time
from rising edge of JTAG_TCK
JTAG_TDO hold time after falling
edge of JTAG_TCK
JTAG_TDO clock to output from
falling edge of JTAG_TCK
JTAG_TRST_N reset period
JTAG_TMS setup time to rising
edge of JTAG_TRST_N
JTAG_TMS hold time from rising
edge of JTAG_TRST_N
JTG_TRST_N
Parameter
JTG_TMS
Intel
®
IXP42X product line and IXC1100 control plane processors
T
bsr
T
Conditions
bsrs
Section 5.6, “Power Sequence” on page 127
T
bsrh
Min.
1.5
50
50
10
10
30
10
10
Document Number: 252479-006US
Typ.
Max.
40
A9597-01
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
August 2006
Notes
2
2
1
1