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AS3525 Datasheet(PDF) 163 Page - ams AG |
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AS3525 Datasheet(HTML) 163 Page - ams AG |
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163 / 194 page ![]() AS3525-A/-B C22O22 Data Sheet, Confidential © 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved. www.austriamicrosystems.com Revision 1.13 163 - 194 Table 150 RTCV Register Name Base Default RTCT I2C audio master 0x40 RTC Timing Register Offset: 0x29 This register is reset at a RVDD-POR. (DVDD_POR for C21O20) Bit Bit Name Default Access Bit Description 7 IRQ_MIN 0 R/W 0: generates an interrupt every second 1: generates an interrupt every minute 6:0 TRTC<6:0> 1000000 R/W 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) Table 151 RTC_0 to RTC_3 Register Name Base Default RTC_0 to RTC_3 I2C audio master 0x00 00 00 00 Unique ID Register Offset: 0x2A to 0x2D This register is reset at a RVDD-POR. Adr. Byte Name Default Access Bit Description 0x2A RTC_0 0x00 R/W RTC<7:0>; RTC seconds bits 0 to 7 0x2B RTC_1 0x00 R/W RTC<15:8>; RTC seconds bits 8 to 15 0x2C RTC_2 0x00 R/W RTC<23:9>; RTC seconds bits 9 to 23 0x2D RTC_3 0x00 R/W RTC<31:24>; RTC seconds bits 24 to 31 |
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