FW82801EB S L73Z Intel, FW82801EB S L73Z Datasheet - Page 68
FW82801EB S L73Z
Manufacturer Part Number
FW82801EB S L73Z
Description
Manufacturer
Intel
Datasheet
1.FW82801EB_S_L73Z.pdf
(671 pages)
Specifications of FW82801EB S L73Z
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Signal Description
2.21.3.2
2.21.4
2.21.4.1
.
68
Table 24. Test Mode Selection
Note: RTCRST# may be driven low any time after PCIRST is inactive. Refer to
3.3 V/1.5 V Standby Power Sequencing Requirements
There is an integrated 1.5 V standby regulator that is used to power the resume well of the ICH5.
Due to the use of this internal regulator, there are no power sequencing requirements for associated
3.3 V/1.5 V (standby or core) rails of the ICH5.
Test Signals
Test Mode Selection
When PWROK is active (high) for at least 76 PCI clocks, driving RTCRST# active (low) for a
number of PCI clocks (33 MHz) will activate a particular test mode a specified in
description of the ICH5 test modes.
Number of PCI Clocks RTCRST# driven low after
PWROK active
15–42
43–51
9–13
>53
<4
14
52
53
4
5
6
7
8
Intel
®
82801EB ICH5 / 82801ER ICH5R Datasheet
Reserved. DO NOT ATTEMPT
Reserved. DO NOT ATTEMPT
No Test Mode Selected
No Test Mode Selected
No Test Mode Selected
XOR Chain 4 Bandgap
XOR Chain 1
XOR Chain 2
XOR Chain 3
XOR Chain 4
XOR Chain 6
Test Mode
Long XOR
All “Z”
Chapter 21
Table
for a detailed
24.
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