Maxim-integrated MAXQ Family Users Guide: MAXQ2010 Supplement Manual de usuario descargar pdf (Pagina 51)

MAXQ Family User’s Guide:

MAXQ2010 Supplement

6-13

6.1.28 External Interrupt Edge Select 0 Register (EIES0, M0[0Ch])

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)

6.1.29 External Interrupt Edge Select 1 Register (EIES1, M1[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.

Bit 7: Reserved

Bit 6: Edge Select for External Interrupt 14 (IT14)

Bit 5: Edge Select for External Interrupt 13 (IT13)

Bit 4: Edge Select for External Interrupt 12 (IT12)

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 — IT14 IT13 IT12 IT11 IT10 IT9 IT8

Reset 0 0 0 0 0 0 0 0

Access r rw rw rw rw rw rw rw

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 146 147

Sin comentarios

Maxim-integrated MAXQ Family Users Guide: MAXQ2010 Supplement Manual de usuario Pagina 51