Datasheet

293

SAM4S Series [DATASHEET]

11100F–ATARM–29-Jan-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

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 – – –