AS3525-A/-B C22O22
Data Sheet, Confidential
Table 150 RTCV Register
Name
RTCT
Base
Default
0x40
I2C audio master
RTC Timing Register
This register is reset at a RVDD-POR. (DVDD_POR for C21O20)
Offset: 0x29
Bit
Bit Name
IRQ_MIN
Default
Access
Bit Description
7
0
R/W
0: generates an interrupt every second
1: generates an interrupt every minute
Trimming register for RTC, 128 steps @ 7.6ppm
000000: 1 (7.6ppm)
6:0
TRTC<6:0>
1000000
R/W
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
This register is reset at a RVDD-POR.
Offset: 0x2A to 0x2D
Adr.
Byte Name
Default
Access
Bit Description
RTC<7:0>; RTC seconds bits 0 to 7
RTC<15:8>; RTC seconds bits 8 to 15
RTC<23:9>; RTC seconds bits 9 to 23
RTC<31:24>; RTC seconds bits 24 to 31
0x2A RTC_0
0x2B RTC_1
0x2C RTC_2
0x2D RTC_3
0x00
0x00
0x00
0x00
R/W
R/W
R/W
R/W
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