Atmel SAM4S Series, Preliminary Data Sheet

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11100B–ATARM–31-Jul-12
SAM4S Series [Preliminary]
15.6 Real-Time Clock (RTC) User Interface
Note: If an offset is not listed in the table it must be considered as reserved.
Table 15-1. 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 – – –