Section 19 LPC Interface (LPC)
Rev. 2.00 Aug. 20, 2008 Page 741 of 1198
REJ09B0403-0200
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 19.8 GA20 Output
