HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 471

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

IRR2—Interrupt request register 2
Bit
Initial value
Read/Write
Note: * Only a write of 0 for flag clearing is possible.
Direct transfer interrupt request flag
0 [Clearing condition]
1 [Setting condition]
When IRRDT = 1, it is cleared by writing 0
A SLEEP instruction is executed when DTON = 1 and a direct transfer is made
IRRDT
R/W
7
0
A/D converter interrupt request flag
0 [Clearing condition]
1 [Setting condition]
*
When IRRAD = 1, it is cleared by writing 0
When A/D conversion is completed and ADSF is cleared to 0 in ADSR
IRRAD
R/W
6
0
*
—
—
5
0
SCI1 interrupt request flag
0 [Clearing condition]
1 [Setting condition]
When IRRS1 = 1, it is cleared by writing 0
When an SCI1 transfer is completed
IRRS1
R/W
4
0
*
—
—
3
0
H'FFF8
—
—
2
0
—
—
1
0
System control
—
—
0
0
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