HD404449 Datasheet, PDF (24/123 Pages) Hitachi Semiconductor – HD404449 SERIES

HD404449 Series
Timer A Interrupt Mask (IMTA: $001, Bit 3): Prevents (masks) an interrupt request caused by the
timer A interrupt request flag, as listed in table 8.
Table 8 Timer A Interrupt Mask (IMTA: $001, Bit 3)
IMTA
0
1
Interrupt Request
Enabled
Disabled (Masked)
Timer B Interrupt Request Flag (IFTB: $002, Bit 0): Set by overflow output from timer B, as listed in
table 9.
Table 9 Timer B Interrupt Request Flag (IFTB: $002, Bit 0)
IFTB
0
1
Interrupt Request
No
Yes
Timer B Interrupt Mask (IMTB: $002, Bit 1): Prevents (masks) an interrupt request caused by the
timer B interrupt request flag, as listed in table 10.
Table 10 Timer B Interrupt Mask (IMTB: $002, Bit 1)
IMTB
0
1
Interrupt Request
Enabled
Disabled (Masked)
Timer C Interrupt Request Flag (IFTC: $002, Bit 2): Set by overflow output from timer C, as listed in
table 11.
Table 11 Timer C Interrupt Request Flag (IFTC: $002, Bit 2)
IFTC
0
1
Interrupt Request
No
Yes
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