r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 357

• 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
18.2.2
Notes:
TRECR register
RTCRST bit in
Bits SC00 to SC03 (First digit of second count bits)
Bits SC10 to SC12 (Second digit of second count bits)
BSY Bit (Timer RE2 busy flag)
1. Timer RE2 data registers: TRESEC, TREMIN, TREHR, TREWK, TREDY, TREMON, and TREYR
After reset by
Bit
b0
b1
b2
b3
b4
b5
b6
b7
After Reset
Set the PROTECT bit in the TREPRC register to 1 (write enabled) before rewriting the TRESEC register.
Set values from 00 to 59 by the BCD code.
Read or write to these bits when the BSY bit is 0 (data not being updated).
This bit is set to 1 while data is updated. Read the following registers or bit when this bit is 0 (data not being
updated):
• Timer RE2 data registers
• Bits PM and HR24 in the TRECR register
Write to the following registers or bits when the BSY bit is 0 (data not being updated):
• Timer RE2 data registers
• Timer RE2 alarm registers (TREAMN, TREAHR, and TREAWK)
• Bits PM and HR24
• Registers and bits associated with correction
(TRESEC, TREMIN, TREHR, TREWK, TREDY, TREMON, and TREYR)
(TRESEC, TREMIN, TREHR, TREWK, TREDY, TREMON, and TREYR)
(The AADJE bit in the TRECR register, the AADJM bit in the TRECSR register, and the TREADJ register)
Address 00170h
Symbol
Symbol
SC00
SC01
SC02
SC03
SC10
SC12
SC11
BSY
Timer RE2 Second Data Register (TRESEC) in Real-Time Clock Mode
Bit
Preliminary document
Specifications in this document are tentative and subject to change.
Timer RE2 busy flag
First digit of second count bits
Second digit of second count bits
BSY
b7
0
0
SC12
b6
Bit Name
0
0
SC11
b5
0
0
SC10
b4
0
0
When the digit increments, 1 is
added to the second digit of
seconds.
When counting from 0 to 5, 60
seconds are counted.
This bit is set to 1 while timer RE2 data registers
Count from 0 to 9 every second.
the PM bit in the TRECR register is updated.
SC03
b3
0
0
Function
SC02
b2
0
0
SC01
b1
0
0
0 to 9 (BCD code)
0 to 5 (BCD code)
Setting Range
SC00
b0
0
0
Page 326 of 725
(1)
18. Timer RE2
or
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R