r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 363

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
18.2.9
TRECR register
RTCRST bit in
Bits YR00 to YR03 (First digit of year count bits)
Bits YR10 to YR13 (Second digit of year count bits)
After reset by
Bit
b0
b1
b2
b3
b4
b5
b6
b7
After Reset
The TREYR register is used in real-time clock mode.
Set the PROTECT bit in the TREPRC register to 1 (write enabled) before rewriting the TREYR register.
Set values from 00 to 99 by the BCD code. Fourth digit and third digit of the year are fixed to 20. Years from
2000 to 2099 can be indicated.
When the digit increments from the TREMON register, 1 is added.
Read or write to these bits when the BSY bit in the TRESEC register is 0 (data not being updated).
Address 00176h
Symbol
Symbol
YR00
YR01
YR02
YR03
YR10
YR12
YR13
YR11
Timer RE2 Year Data Register (TREYR)
Bit
Preliminary document
Specifications in this document are tentative and subject to change.
YR13
First digit of year count bits
Second digit of year count bits
b7
0
0
YR12
b6
Bit Name
0
0
YR11
b5
0
0
YR10
b4
0
0
Count from 0 to 9 every year.
When the digit increments, 1 is
added to the second digit of
year.
Count from 0 to 9.
YR03
b3
0
0
Function
YR02
b2
0
0
YR01
b1
0
0
0 to 9 (BCD code)
0 to 9 (BCD code)
Setting Range
YR00
b0
0
0
Page 332 of 725
18. Timer RE2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W