Users Guide: MAXQ8913 Supplement User guide

MAXQ Family User’s Guide:
MAXQ8913 Supplement
6-7
6.1.12 External Interrupt Edge Select 0 Register (EIES0, M0[0Ah])
Each bit in this register controls the edge select mode for an external interrupt as follows:
0 = The external interrupt triggers on a rising (positive) edge.
1 = The external interrupt triggers on a negative (falling) edge.
Bit 7: Edge Select for External Interrupt 7 (IT7)
Bit 6: Edge Select for External Interrupt 6 (IT6)
Bit 5: Edge Select for External Interrupt 5 (IT5)
Bit 4: Edge Select for External Interrupt 4 (IT4)
Bit 3: Edge Select for External Interrupt 3 (IT3)
Bit 2: Edge Select for External Interrupt 2 (IT2)
Bit 1: Edge Select for External Interrupt 1 (IT1)
Bit 0: Edge Select for External Interrupt 0 (IT0)
6.1.13 External Interrupt Edge Select 1 Register (EIES1, M0[0Bh])
Each bit in this register controls the edge select mode for an external interrupt as follows:
0 = The external interrupt triggers on a rising (positive) edge.
1 = The external interrupt triggers on a negative (falling) edge.
Bits 7:4: Reserved
Bit 3: Edge Select for External Interrupt 11 (IT11)
Bit 2: Edge Select for External Interrupt 10 (IT10)
Bit 1: Edge Select for External Interrupt 9 (IT9)
Bit 0: Edge Select for External Interrupt 8 (IT8)
Bit #
7 6 5 4 3 2 1 0
Name IT7 IT6 IT5 IT4 IT3 IT2 IT1 IT0
Reset 0 0 0 0 0 0 0 0
Access rw rw rw rw rw rw rw rw
Bit #
7 6 5 4 3 2 1 0
Name — — — — IT11 IT10 IT9 IT8
Reset 0 0 0 0 0 0 0 0
Access r r r r rw rw rw rw
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