Table 18.4 Fast Gate A20 Output Signals - Renesas H8S Series Hardware Manual

Section 18 LPC Interface (LPC)

Table 18.4 Fast Gate A20 Output Signals

C/D1 Data/Command
1 H'D1 command
1
0 1 data*
1 H'FF command
1 H'D1 command
2
0 0 data*
1 H'FF command
1 H'D1 command
1
0 1 data*
1/0 Command other than H'FF and
H'D1
1 H'D1 command
2
0 0 data*
1/0 Command other than H'FF and
H'D1
1 H'D1 command
1 Command other than H'D1
1 H'D1 command
1 H'D1 command
1 H'D1 command
0 Any data
1 H'D1 command
Notes: 1. Any data with bit 1 set to 1.
2. Any data with bit 1 cleared to 0.
Rev. 3.00 Jul. 14, 2005 Page 682 of 986
REJ09B0098-0300
Internal CPU
Interrupt Flag GA20
(IBF) (P81)
0 Q
0 1
0 Q (1)
0 Q
0 0
0 Q (0)
0 Q
0 1
1 Q (1)
0 Q
0 0
1 Q (0)
0 Q
1 Q
0 Q
0 Q
0 Q
0 1/0
0 Q (1/0)
Remarks
Turn-on sequence
Turn-off sequence
Turn-on sequence
(abbreviated form)
Turn-off sequence
(abbreviated form)
Cancelled sequence
Retriggered sequence
Consecutively executed
sequences