ATSAMG54G19 RTT registers The 4 registers of RTT (Real-time Timer), from 0x400E1430, with their reset value and every field. The ATSAMG54G19 has 713 registers in 31 peripherals, one page each.
RTT Real-time Timer RTT_MRMode Register
Address 0x400E1430
Reset 0x00000000
Access read/write
Size 32-bit 6 fields
Field Bits What it does RTC1HZ 24 Real-Time Clock 1Hz Clock Selection RTTDIS 20 Real-time Timer Disable RTTRST 18 Real-time Timer Restart RTTINCIEN 17 Real-time Timer Increment Interrupt Enable ALMIEN 16 Alarm Interrupt Enable RTPRES 15:0 Real-time Timer Prescaler Value
RTT_ARAlarm Register
Address 0x400E1434
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does ALMV 31:0 Alarm Value
RTT_VRValue Register
Address 0x400E1438
Reset 0x00000000
Access read only
Size 32-bit 1 field
Field Bits What it does CRTV 31:0 Current Real-time Value
RTT_SRStatus Register
Address 0x400E143C
Reset 0x00000000
Access read only
Size 32-bit 2 fields
Field Bits What it does RTTINC 1 Prescaler Roll-over Status (cleared on read) ALMS 0 Real-time Alarm Status (cleared on read)
BETA