AS3515_08 datasheet(47/67 Pages) AMSCO

47 / 67 page

AS3515 V15

austriamicrosystems

Data Sheet, Confidential

www.austriamicrosystems.com

Revision 3.1

- 66

RTCT Register (29h)

Table 48 RTCT Register

Bit

Name

Description

IRQ_MIN

0: generates an interrupt every second

1: generates an interrupt every minute

6..0

TRTC<6..0>

Trimming register for RTC, 128 steps @ 7.6ppm

000000: 1 (7.6ppm)

000001: 2 (15.2ppm)

…

100000: 64 (488ppm)

…

111110: 126 (960.8ppm)

111111: 127 (968.4ppm)

The register is R/W; default value is 40h

RTC Registers (2Ah to 2Dh)

Table 49 RTC_0 to RTC_3 Register

Addr

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Description

2Ah

RTC_0 Qrtc<7>

Qrtc<6>

Qrtc<5>

Qrtc<4>

Qrtc<3>

Qrtc<2>

Qrtc<1>

Qrtc>0>

second register 0

2Bh

RTC_1 Qrtc<15> Qrtc<14> Qrtc<13> Qrtc<12> Qrtc<11> Qrtc<10> Qrtc<9>

Qrtc<8>

second register 1

2Ch

RTC_2 Qrtc<23> Qrtc<22> Qrtc<21> Qrtc<20> Qrtc<19> Qrtc<18> Qrtc<17> Qrtc<16> second register 2

2Dh

RTC_3 Qrtc<31> Qrtc<30> Qrtc<29> Qrtc<28> Qrtc<27> Qrtc<26> Qrtc<25> Qrtc<24> second register 3

The registers are R/W; default value is 00h

AS3515 Datasheet(PDF) 47 Page - ams AG

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