HD404618 Datasheet, PDF (25/91 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

Table 12 Timer C Interrupt Mask
IMTC
0
1
Interrupt Request
Enabled
Disabled (masked)
HD404618 Series
Serial Interrupt Request Flag (IFS: $003,Bit 0): Set when the octal counter counts the eighth transmit
clock signal or when data transmit is discontinued by resetting the octal counter, as shown in table 13.
Table 13 Serial Interrupt Request Flag
IFS
Interrupt Request
0
No
1
Yes
Serial Interrupt Mask (IMS: $003, Bit 1): Prevents (masks) an interrupt request caused by the serial
interrupt request flag, as shown intable 14.
Table 14 Serial Interrupt Mask
IMS
Interrupt Request
0
Enabled
1
Disabled (masked)
23