Rainbow Electronics W90P710CDG - Manual (Page 428)

W90P710CD/W90P710CDG
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RTC Frequency Compensation Register (RTC_FCR)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
RTC_FCR 0xFFF8_4008 R/W RTC Frequency Compensation Register 0X0000_0700
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
Reserved FCR_int
7 6 5 4 3 2 1 0
Reserved FCR_fra
BITS DESCRIPTIONS
[31:12] Reserved -
[11:8] FCR_int
FCR [11:8]: Integer part
Integer part
of detected
value
FCR[11:8] Integer part
of detected
value
FCR[11:8]
32776 1111 32768 0111
32775 1110 32767 0110
32774 1101 32766 0101
32773 1100 32765 0100
32772 1011 32764 0011
32771 1010 32763 0010
32770 1001 32762 0001
32769 1000 32761 0000
[5:0] FCR_fra
Fraction part
Formula: FCR_int = (fraction part of detected value) X 60
Note: Digit in FCR must be expressed as hexadecimal number.