R01UH0823EJ0100 Rev.1.00 Page 787 of 1823
Jul 31, 2019
RX23W Group 28. Realtime Clock (RTCe)
28.2.22 Second Capture Register n (RSECCPn) (n = 0, 1)/BCNT0 Capture Register n
(BCNT0CPn) (n = 0, 1)
(1) In calendar count mode:
RSECCPn is a read-only register that captures the RSECCNT value when a time capture event is detected.
The event detection times detected by the RTCIC0 and RTCIC1 pins are stored in the RSECCP0 and RSECCP1
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:
BCNT0CPn is a read-only register that captures the BCNT0 value when a time capture event is detected.
The event detection times detected by the RTCIC0 and RTCIC1 pins are stored in the BCNT0CP0 and BCNT0CP1
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.RSECCP0 0008 C452h, RTC.RSECCP1 0008 C462h
b7 b6 b5 b4 b3 b2 b1 b0
— SEC10[2:0] SEC1[3:0]
Value after reset:
xxxxxxxx
x: Undefined
Bit Symbol Bit Name Description R/W
b3 to b0 SEC1[3:0] 1-Second Capture Capture value for the ones place of seconds R
b6 to b4 SEC10[2:0] 10-Second Capture Capture value for the tens place of seconds R
b7 — Reserved This bit is read as 0 after an RTC software reset. R
Address(es): RTC.BCNT0CP0 0008 C452h, RTC.BCNT0CP1 0008 C462h
b7 b6 b5 b4 b3 b2 b1 b0
BCNTCPn[7:0]
Value after reset:
xxxxxxxx
x: Undefined
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