Interrupt Requests; Table 17.3 Interrupt Requests - Renesas H8S/2437 Hardware Manual

17.5

Interrupt Requests

There are six interrupt requests in this module; transmit data empty, transmit end, receive data full,
NACK detection, STOP recognition, and arbitration lost. Table 17.3 shows the contents of each
interrupt request.

Table 17.3 Interrupt Requests

Interrupt Request
Transmit data empty
Transmit end
Receive data full
STOP recognition
NACK detection
Arbitration lost
Abbreviation Interrupt Condition
TXI (TDRE = 1)
TEI (TEND = 1)
RXI (RDRF = 1)
STPI (STOP = 1)
NAKI {(NACKF = 1) + (AL = 1)}
(TIE = 1)
•
(TEIE = 1)
•
(RIE = 1)
•
(STIE = 1)
•
(NAKIE = 1)
•
Rev. 1.00, 09/03, page 505 of 704