GCIXP1240AB 837151 Intel, GCIXP1240AB 837151 Datasheet - Page 76

• Manufacturer Part Number: GCIXP1240AB 837151
• Manufacturer: Intel

Specifications of GCIXP1240AB 837151

• Lead Free Status / Rohs Status: Not Compliant

Intel
4.3.5
4.3.5.1
76
Table 42. Reset Timings Specification
Figure 16. RESET_IN_L Timing Diagram
®
IXP1240 Network Processor
Reset
Reset Timings Specification
Table 42
1. core_clk is nominally running at 29.491 MHz after a hard reset when PXTAL is 3.6864 MHz.
t
t
t
t
RST
SG
HG
OETK
Symbol
VDD: VDDX, VDDP,
Note 1: Internal signal to the Intel® IXP1240 processor.
shows the reset timing specifications for RESET_IN_L and RESET_OUT_L.
RESET_IN_L
sram_rst_1
GPIO<3>
[note 1]
TK_OUT
VDD_REF
RESET_IN_L asserted after power
stable.
GPIO[3] setup to reset sample edge.
GPIO[3] hold from reset sample
edge.
TK_OUT hi-z to valid output.
Parameter
t
RST
150
2
9
4
Minimum
509 PXTAL
--
7
Cycles
Maximum
t
sg
Valid
ms
core_clk cycles
core_clk cycles
core_clk cycles
t
oetk
t
ng
Unit
Datasheet
A8876-01
1
1
1