
Appendix B Internal I/O Registers
Rev. 6.00 Sep 12, 2006 page 489 of 526
REJ09B0326-0600
IRR2—Interrupt request register 2
H'FFF8
System control
Bit
Initial value
Read/Write
7
IRRDT
0
R/W
6
IRRAD
0
R/W
5
—
0
—
4
IRRS1
0
R/W
3
—
0
—
0
—
0
—
2
—
0
—
1
—
0
—
*
*
*
0 [Clearing condition]
When IRRS1 = 1, it is cleared by writing 0
SCI1 interrupt request flag
1 [Setting condition]
When an SCI1 transfer is completed
0 [Clearing condition]
When IRRAD = 1, it is cleared by writing 0
A/D converter interrupt request flag
1 [Setting condition]
When A/D conversion is completed and ADSF is cleared to 0 in ADSR
0 [Clearing condition]
When IRRDT = 1, it is cleared by writing 0
Direct transfer interrupt request flag
1 [Setting condition]
A SLEEP instruction is executed when DTON = 1 and a direct transfer is made
Note:
*
Only a write of 0 for flag clearing is possible.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...