HD404374 Datasheet, PDF (40/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 Series
External interrupt mask (IM0: $001, 1):
This bit masks an interrupt request by the external interrupt request flag (table 8).
Table 8 External Interrupt Mask (IM0: $001, 1)
External Interrupt Mask (IM0)
0
1
Interrupt Request
External interrupt request enabled
External interrupt request masked (held pending)
Timer A interrupt request flag (IFTA: $002,0):
The timer A interrupt request flag is set by timer A overflow output (table 9).
Table 9 Timer A Interrupt Request Flag (IFTA: $002,0)
Timer A Interrupt Request Flag
(IFTA)
0
1
Interrupt Request
No timer A interrupt request
Timer A interrupt request generated
Timer A interrupt mask (IMTA: $002,1):
This bit masks an interrupt request by the timer A interrupt request flag (table 10).
Table 10 Timer A Interrupt Mask (IMTA: $002,1)
Timer A Interrupt Mask (IMTA)
0
1
Interrupt Request
Timer A interrupt request enabled
Timer A interrupt request masked (held pending)
Timer B interrupt request flag (IFTB: $002,2):
The timer B interrupt request flag is set by timer B overflow output (table 11).
Table 11 Timer B Interrupt Request Flag (IFTB: $002,2)
Timer B Interrupt Request Flag
(IFTB)
0
1
Interrupt Request
No timer B interrupt request
Timer B interrupt request generated
Rev.5.00, Sep.11.2003, page 40 of 161