H83644 Datasheet, PDF (468/508 Pages) Hitachi Semiconductor – H8/3644 Series Hardware Manual

IENR1—Interrupt enable register 1
Bit
7
6
5
IENTB1 IENTA —
Initial value
0
0
0
Read/Write
R/W
R/W
—
H'FFF4
System control
4
3
2
1
0
—
IEN3 IEN2 IEN1 IEN0
1
0
0
0
0
—
R/W R/W R/W R/W
IRQ₃ to IRQ₀ interrupt enable
0 Disables IRQ3 to IRQ₀ interrupt requests
1 Enables IRQ3 to IRQ₀ interrupt requests
Timer A interrupt enable
0 Disables timer A interrupt requests
1 Enables timer A interrupt requests
Timer B1 interrupt enable
0 Disables timer B1 interrupt requests
1 Enables timer B1 interrupt requests
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