AD5940
Data Sheet
Bits
Bit Name Settings Description
Reset
Access
101 Falling edge (same as 001).
110 Rising or falling edge (same as 010).
111 High level (same as 011).
7
IRQ1EN
External Interrupt 1 enable bit. Set this bit before placing the device in hibernate
mode to enable the ability of GPIO1 to wake up the device.
External Interrupt 1 disabled.
External Interrupt 1 enabled.
External Interrupt 1 mode bits.
0x0
0x0
R/W
R/W
0
1
[6:4]
IRQ1MDE
000 Rising edge.
001 Falling edge.
010 Rising or falling edge.
011 High level.
100 Low level.
101 Falling edge (same as 001).
110 Rising or falling edge (same as 010).
111 High level (same as 011).
3
IRQ0EN
External Interrupt 0 enable bit. Set this bit before placing the device in hibernate
mode to enable the ability of GPIO0 to wake up the device.
External Interrupt 0 disabled.
External Interrupt 0 enabled.
External Interrupt 0 mode bits.
0x0
0x0
R/W
R/W
0
1
[2:0]
IRQ0MDE
000 Rising edge.
001 Falling edge.
010 Rising or falling edge.
011 High level.
100 Low level.
101 Falling edge (same as 001).
110 Rising or falling edge (same as 010).
111 High level (same as 011).
External Interrupt Configuration 1 Register—EI1CON
Address 0x00000A24, Reset: 0x0000, Name: EI1CON
Table 143. Bit Descriptions for EI1CON Register
Bits
Bit Name
Settings
Description
Reset
Access
15
IRQ7EN
External Interrupt 7 enable bit. Set this bit before placing the device in hibernate mode
to enable the ability of GPIO7 to wake up the device.
0x0
R/W
0
1
External Interrupt 7 disabled.
External Interrupt 7 enabled.
External Interrupt 7 mode bits.
[14:12]
IRQ7MDE
0x0
R/W
000 Rising edge.
001 Falling edge.
010 Rising or falling edge.
011 High level.
100 Low level.
101 Falling edge (same as 001).
110 Rising or falling edge (same as 010).
111 High level (same as 011).
11
IRQ6EN
External Interrupt 6 enable bit. Set this bit before placing the device in hibernate mode
to enable the ability of GPIO6 to wake up the device.
0x0
R/W
0
1
External Interrupt 6 disabled.
External Interrupt 6 enabled.
Rev. 0 | Page 110 of 130
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