Figure 18.4 Ga20 Output - Renesas H8S Series Hardware Manual

Start
Host write
No
H'D1 command
received?
Yes
Wait for next byte
Host write
No
Data byte?
Yes
Write bit 1 of data byte
to the bit of GA20 in DR

Figure 18.4 GA20 Output

Section 18 LPC Interface (LPC)
Rev. 3.00 Jul. 14, 2005 Page 681 of 986
REJ09B0098-0300