FW82801DB S L66K Intel, FW82801DB S L66K Datasheet - Page 225

• Manufacturer Part Number: FW82801DB S L66K
• Manufacturer: Intel

Specifications of FW82801DB S L66K

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Intel
®
Table 5-96. Read Cycle Format
Table 5-97. Data Values for Slave Read Registers (Sheet 1 of 2)
82801DB ICH4 Datasheet
Register
11–18
21–27
30–37
2–8
Bit
10
19
20
28
29
38
39
1
9
0
1
1
2
2
3
3
4
4
4
Start
Slave Address – 7 bits
Write
ACK
Command code – 8 bits
ACK
Repeated Start
Slave Address - 7 bits
Read
ACK
Data Byte
NOT ACK
Stop
Bits
7:0
2:0
7:3
3:0
7:4
5:0
7:6
0
1
2
Description
Reserved.
System Power State
Reserved
Frequency Strap Register
Reserved
Watchdog Timer current value
Reserved
1 = The Intruder Detect (INTRD_DET) bit is set. This indicates that the system cover has
1 = BTI Temperature Event occurred. This bit will be set if the Intel
Boot-Status. This bit will be 1 when the processor does not fetch the first instruction.
• 000 = S0
• 001 = S1
• 010 = Reserved
• 011 = S3
• 100 = S4
• 101 = S5
• 110 = Reserved
• 111 = Reserved
probably been opened.
signal is active. Need to take after polarity control.
External Microcontroller
External Microcontroller
External Microcontroller Always 0
Intel
External Microcontroller
ICH4
External Microcontroller
External Microcontroller
External Microcontroller Always 1
ICH4
ICH4
External Microcontroller
External Microcontroller
®
ICH4
Driven by:
Description
Must match value in Receive Slave Address
register
Indicates which register is being accessed.
See
Must match value in Receive Slave Address
register
Value depends on register being accessed.
See
Table
Table
5-97.
5-97.
Comment:
Functional Description
®
ICH4’s THRM# input
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