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Chapter 29 MPU / EDSU
4.Registers
BIT[3]: INT1 - INTerrupt on extended source 1
INT1 reflects the status of the extended interrupt source channel 1. It is set to ’1’ if a high level on the extended
interrupt signal line has been occured. The status of ’1’ is stored until cleared by software.
Writing ’0’ resets the INT1 bit to ’0’. Writing ’1’ to this bit is ignored. On a Read Modify Write instruction INT1 is read
as ’1’.
BIT[2]: INT0 - INTerrupt on extended source 0
INT0 reflects the status of the extended interrupt source channel 0. It is set to ’1’ if a high level on the extended
interrupt signal line has been occured. The status of ’1’ is stored until cleared by software.
Writing ’0’ resets the INT0 bit to ’0’. Writing ’1’ to this bit is ignored. On a Read Modify Write instruction INT0 is read
as ’1’.
BIT[1]: INTT - INTerrupt on Transmit source
INTT reflects the status of the transmit interrupt source channels 0 to 3 (can be selected by TXINT[1:0]). It is set to
’1’ on a high level on the transmit interrupt signal line and ’0’ on a low level on the signal line.
This bit is read-only. It can be set to ’0’ by clearing the appropriate interrupt bit in the selected resource.
Remark: If SINT[1:0] is set to “11” this bit indicates the interrupt of CAN channel 1 (CAN has one interrupt
request for both reception and transmission).
BIT[0]: INTR - INTerrupt on Receive source
INTR reflects the status of the receive interrupt source channels 0 to 3 (can be selected by RXINT[1:0]). It is set to
’1’ on a high level on the receive interrupt signal line and ’0’ on a low level on the signal line.
This bit is read-only. It can be set to ’0’ by clearing the appropriate interrupt bit in the selected resource.
Remark: If SINT[1:0] is set to “11” this bit indicates the interrupt of CAN channel 1 (CAN has one interrupt
request for both reception and transmission).
0 Interrupt on extended source channel 1 not detected (default)
1 Interrupt on extended source channel 1 detected
0 Interrupt on extended source channel 0 not detected (default)
1 Interrupt on extended source channel 0 detected
0 Interrupt on transmit source not detected (default)
1 Interrupt on transmit source channel detected
0 Interrupt on receive source not detected (default)
1 Interrupt on receive source channel detected