W83697HFFDC Information Storage Devices, Inc, W83697HFFDC Datasheet - Page 105

• Manufacturer Part Number: W83697HFFDC
• Description: LPC Interface I/o Plus Game/midi Port, Fan Control, Flash ROM I/f
• Manufacturer: Information Storage Devices, Inc

9.7 REGISTERS AND RAM
9.7.1
Data Port:
Power on Default Value
Attribute:
Size:
Bit7: Read Only
Bit 6-0: Read/Write
(Power On default 0)
The logical 1 indicates the device is busy because of a Serial Bus transaction or another LPC bus
transaction. With checking this bit, multiple LPC drivers can use W83697HF hardware monitor
without interfering with each other or a Serial Bus driver.
It is the user's responsibility not to have a Serial Bus and LPC bus operations at the same time.
This bit is:
Set: with a write to Port x5h or when a Serial Bus transaction is in progress.
Reset: with a write or read from Port x6h if it is set by a write to Port x5h.
Busy
Address Register (Port x5h)
Bit 7
Bit 6
A6
7
Port x5h
00h
Bit 6:0 Read/write , Bit 7: Read Only
8 bits
6
Bit 5
A5
5
Address Pointer (Power On default 00h)
4
Bit 4
- 96 -
3
A4
2
1
Bit 3
0
A3
Publication Release Date: Feb. 2002
Data
Bit 2
A2
W83697HF/F
Bit 1
A1
Revision 0.70
Bit 0
A0