HD404669 Datasheet, PDF (30/142 Pages) Hitachi Semiconductor – Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

HD404669 Series
Serial 1 Interrupt Mask (IMS1: $003, Bit 3): Prevents (masks) an interrupt request caused by the serial
1 interrupt request flag, as listed in table 10.
Table 10 Serial 1 Interrupt Mask (IMS1: $003, Bit 3)
IMS1
0
1
Interrupt Request
Enabled
Disabled (masked)
30