RENESAS RX113 User Manual
RENESAS TECHNICAL UPDATE
TOYOSU FORESIA, 3-2-24, Toyosu, Koto-ku, Tokyo 135-0061, Japan
Renesas Electronics Corporation
Date: Mar. 2, 2021
Product
Category
Title
Applicable
Product
This document describes corrections to the “Realtime Clock (RTC)” chapter in User’s Manual: Hardware for the applicable
products.
Page and section numbers are based on the manual for the RX113 Group. Refer to the table on the last page for the
corresponding page and section numbers in the RX130 Group.
MPU/MCU
RX113 Group, RX130 Group
Errata to User’s Manual: Hardware Regarding the
Realtime Clock (RTC)
Lot No.
RX113 Group, RX130 Group
All
Document
No.
Information
Category
Reference
Document
TN-RX*-A0238B/E
Technical Notification
RX113 Group User’s Manual: Hardware
Rev.1.20 (R01UH0448EJ0120)
RX130 Group User’s Manual: Hardware
Rev.3.00 (R01UH0560EJ0300)
Rev.
2.00
©2021. Renesas Electronics Corporation, All rights reserved. Page 1 of 8
RENESAS TECHNICAL UPDATE TN-RX*-A0238B/E
Date: Mar. 2, 2021
• Page 650 of 1491
A note is added to the START and CNTMD bits in the table for section 24.2.18, RTC Control Register 2 (RCR2) as follows.
Before correction
24.2.18 RTC Control Register 2 (RCR2)
Address(es): RTC.RCR2 0008 C424h
b7 b6 b5 b4 b3 b2 b1 b0
CNTM
HR24 AADJP AADJE RTCOE ADJ30 RESET START
D
Value after reset:
Bit Symbol Bit Name Description R/W
b0 START Start 0: Prescaler and counter are stopped.
b1 RESET RTC Software Reset • In writing
b2 ADJ30 30-Second Adjustment*
b3 RTCOE RTCOUT Output Enable 0: RTCOUT output disabled.
b4 AADJE Automatic Adjustment Enable*
b5 AADJP Automatic Adjustment Period
b6 HR24 Hours Mode*
b7 CNTMD Count Mode Select 0: The calendar count mode.
xxxx000x
x: Undefined
1: Prescaler and counter operate normally.
0: Writing is invalid.
1: The prescaler and the target registers for RTC softwar
set*
re
• In reading
0: In normal time operation, or an RTC software reset ha
completed.
ring an RTC software reset
1: Du
Select*
2
3
2, *3
•In writing
0: Writing is invalid.
1: 30-second adjustment is executed.
• In reading
0: In normal time operation, or
completed.
1: Du
ring 30-second adjustment
1: RTCOUT output enabled.
3
0: Automatic adjustment is disabled.
1: Automatic adjustment is enabled.
0: The RADJ.ADJ[5:0] setting value is adjusted from the count
value of the prescaler every minute (every 32 seconds in
binary counter mode).
1: The RADJ.ADJ[5:0] setting value is adjusted from the count
value of the prescaler every 10 seconds (every 8 seconds
in binary counter mode).
0: The RTC operates in 12-hour mode.
1: The RTC operates in 24-hour mode.
1: The binary count mode.
1
are initialized
R/W
R/W
e
s
R/W
30-second adjustment has
R/W
R/W
R/W
R/W
R/W
Note 1. R64CNT, RSECAR/BCNT0AR, RMINAR/BCNT1AR, RHRAR/BCNT2AR, RWKAR/BCNT3AR, RDAYAR/BCNT0AER,
RMONAR/BCNT1AER, RYRAR/BCNT2AER, RYRAREN/BCNT3AER, RADJ, RCR2.ADJ30, RCR2.AADJE, RCR2.AADJP
Note 2. This bit is reserved in binary counter mode. The write value should be 0.
Note 3. After writing to this bit, confirm that its value has actually changed before proceeding with further processing.
Refer to section 24.5.5, Notes When Writing to and Reading from Registers for notes on accessing registers.
Page 2 of 8
RENESAS TECHNICAL UPDATE TN-RX*-A0238B/E
Date: Mar. 2, 2021
After correction
24.2.18 RTC Control Register 2 (RCR2)
Address(es): RTC.RCR2 0008 C424h
b7 b6 b5 b4 b3 b2 b1 b0
CNTM
HR24 AADJP AADJE RTCOE ADJ30 RESET START
D
Value after reset:
Bit Symbol Bit Name Description R/W
b0 START Start*
b1 RESET RTC Software Reset • In writing
b2 ADJ30 30-Second Adjustment*
b3 RTCOE RTCOUT Output Enable 0: RTCOUT output disabled.
b4 AADJE Automatic Adjustment Enable*
b5 AADJP Automatic Adjustment Period
b6 HR24 Hours Mode*
b7 CNTMD Count Mode Select*
xxxx000x
x: Undefined
3
0: Prescaler and counter are stopped.
1: Prescaler and counter operate normally.
0: Writing is invalid.
1: The prescaler and the target registers for RTC softwar
set*
re
• In reading
0: In normal time operation, or an RTC software reset ha
completed.
ring an RTC software reset
1: Du
2
•In writing
0: Writing is invalid.
1: 30-second adjustment is executed.
• In reading
0: In normal time operation, or
completed.
1: Du
ring 30-second adjustment
1: RTCOUT output enabled.
3
0: Automatic adjustment is disabled.
1: Automatic adjustment is enabled.
Select*
3
0: The RADJ.ADJ[5:0] setting value is adjusted from the count
value of the prescaler every minute (every 32 seconds in
binary counter mode).
1: The RADJ.ADJ[5:0] setting value is adjusted from the count
value of the prescaler every 10 seconds (every 8 seconds
in binary counter mode).
2, *3
0: The RTC operates in 12-hour mode.
1: The RTC operates in 24-hour mode.
3
0: The calendar count mode.
1: The binary count mode.
1
are initialized.
30-second adjustment has
R/W
R/W
e
s
R/W
R/W
R/W
R/W
R/W
R/W
Note 1. R64CNT, RSECAR/BCNT0AR, RMINAR/BCNT1AR, RHRAR/BCNT2AR, RWKAR/BCNT3AR, RDAYAR/BCNT0AER,
RMONAR/BCNT1AER, RYRAR/BCNT2AER, RYRAREN/BCNT3AER, RADJ, RCR2.ADJ30, RCR2.AADJE, RCR2.AADJP
Note 2. This bit is reserved in binary counter mode. The write value should be 0.
Note 3. After writing to this bit, confirm that its value has actually changed before proceeding with further processing.
Refer to section 24.5.5, Notes on Writing to and Reading from Registers, regarding changes to the values of the AADJE,
AADJP, and HR24 bits.
Page 3 of 8
Loading...