Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
301
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
16.6
Real-time Clock (RTC) User Interface
Note: If an offset is not listed in the table it must be considered as reserved.
Table 16-1.
Register Mapping
Offset
Register Name
Access
Reset
0x00
Control Register
RTC_CR
Read/Write
0x0
0x04
Mode Register
RTC_MR
Read/Write
0x0
0x08
Time Register
RTC_TIMR
Read/Write
0x0
0x0C
Calendar Register
RTC_CALR
Read/Write
0x01A11020
0x10
Time Alarm Register
RTC_TIMALR
Read/Write
0x0
0x14
Calendar Alarm Register
RTC_CALALR
Read/Write
0x01010000
0x18
Status Register
RTC_SR
Read-only
0x0
0x1C
Status Clear Command Register
RTC_SCCR
Write-only
–
0x20
Interrupt Enable Register
RTC_IER
Write-only
–
0x24
Interrupt Disable Register
RTC_IDR
Write-only
–
0x28
Interrupt Mask Register
RTC_IMR
Read-only
0x0
0x2C
Valid Entry Register
RTC_VER
Read-only
0x0
0x30–0xC4
Reserved Register
–
–
–
0xC8–0xF8
Reserved Register
–
–
–
0xFC
Reserved Register
–
–
–