R01UH0823EJ0100 Rev.1.00 Page 790 of 1823
Jul 31, 2019
RX23W Group 28. Realtime Clock (RTCe)
28.2.25 Date Capture Register n (RDAYCPn) (n = 0, 1)/BCNT3 Capture Register n
(BCNT3CPn) (n = 0, 1)
(1) In calendar count mode:
RDAYCPn is a read-only register that captures the RDAYCNT value when a time capture event is detected.
The event detection times detected by the RTCIC0 and RTCIC1 pins are stored in the RDAYCP0 and RDAYCP1
registers, respectively.
This register is set to 00h by an RTC software reset.
Before reading from this register, be sure to stop the time capture event detection through the setting of the
RTCCRn.TCCT[1:0] bits.
(2) In binary count mode:
BCNT3CPn is a read-only register that captures the BCNT3 value when a time capture event is detected.
The event detection times detected by the RTCIC0 and RTCIC1 pins are stored in the BCNT3CP0 and BCNT3CP1
registers, respectively.
This register is set to 00h by an RTC software reset.
Before reading from this register, be sure to stop the time capture event detection through the setting of the
RTCCRn.TCCT[1:0] bits.
Address(es): RTC.RDAYCP0 0008 C45Ah, RTC.RDAYCP1 0008 C46Ah
b7 b6 b5 b4 b3 b2 b1 b0
— — DATE10[1:0] DATE1[3:0]
Value after reset:
xxxxxxxx
x: Undefined
Bit Symbol Bit Name Description R/W
b3 to b0 DATE1[3:0] 1-Day Capture Capture value for the ones place of days R
b5, b4 DATE10[1:0] 10-Day Capture Capture value for the tens place of days R
b7, b6 — Reserved These bits are read as 0 after an RTC software reset. R
Address(es): RTC.BCNT3CP0 0008 C45Ah, RTC.BCNT3CP1 0008 C46Ah
b7 b6 b5 b4 b3 b2 b1 b0
BCNTCPn[31:24]
Value after reset:
xxxxxxxx
x: Undefined
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