Digi NS9215 - Manual (Page 189)

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S Y S T E M C O N T R O L M O D U L E
Power Management
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D20 R/W WakeIntClr 0x0 CPU wake interrupt clear
Write a 1, followed by a 0 to clear the CPU wake
interrupt.
D19 R/W Ext Int 3 0x0 External interrupt 3 interrupt wakeup
0
Do not wake on external 3 interrupt
1 Wake on external 3 wakeup
D18 R/W Ext Int 2 0x0 External interrupt 2 interrupt wakeup
0
Do not wake on external 2 interrupt
1 Wake on external 2 wakeup
D17 R/W Ext Int 1 0x0 External interrupt 1 interrupt wakeup
0
Do not wake on external 1 interrupt
1 Wake on external 1 wakeup
D16 R/W Ext Int 0 0x0 External interrupt 0 interrupt wakeup
0
Do not wake on external 0 interrupt
1 Wake on external 0 wakeup
D15:13 N/A Reserved N/A N/A
D12 R/W RTC 0x0 RTC wakeup
0 Do not wake on RTC interrupt
1 Wake on RTC interrupt
D11 R/W I 2 C 0x0 I2C wakeup
0 Do not wake on I 2 C activity
1 Wake on I 2 C activity
D10:06 N/A Reserved N/A N/A
D05 R/W SPI 0x0 SPI wakeup
0 Do not wake on SPI activity
1 Wake on SPI activity
D04 R/W UART D 0x0 UART D wakeup
0 Do not wake on character match
1 Wake on character match
D03 R/W UART C 0x0 UART C wakeup
0 Do not wake on character match
1 Wake on character match
D02 R/W UART B 0x0 UART B wakeup
0 Do not wake on character match
1 Wake on character match
Bits Access Mnemonic Reset Description