Section 19 LPC Interface (LPC)
Rev. 3.00 Sep. 28, 2009 Page 639 of 910
REJ09B0350-0300
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 19.4 GA20 Output
