Section 18 LPC Interface (LPC)
Rev. 2.00 Sep. 28, 2009 Page 606 of 870
REJ09B0429-0200
Start
Wait for next byte
H'D1 command
received?
Host write
Host write
Yes
No
Data byte?
No
Write bit 1 of data byte
to the bit of GA20 in DR
Yes
Figure 18.8 GA20 Output
