r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 388

• 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
Figure 18.12
Lower 11-bit counter
TRESEC + TREMIN
TRESEC register
TREADJ register
TREIFR register
TADJSF bit in
MINUS bit in
BSY bit in
Registers
Preliminary document
Specifications in this document are tentative and subject to change.
Operation Example of Subtraction Correction with Automatic Correction Function
Write 1 to MINUS bit
The above diagram applies under the following conditions:
When real-time clock mode is selected:
• AADJE bit in TRECR register = 1 (automatic correction function enabled (correction by software disabled))
• AADJM bit in TRECSR register = 1 (corrected every 10 seconds)
• M: Value set in bits ADJ0 to ADJ5 in TREADJ register
03 min 38 s
N
N + 1
• • • •
03 min 39 s
Correction starts
Time when BSY
bit is set to 0
7FFh
The counter value and the correction
000h
03 min 40 s
value are compared and match
• • • •
correction ends
Subtraction
• • • • • •
M
10 s
001h
03 min 49 s
• • • •
Time when BSY
bit is set to 0
7FFh
The counter value and the correction
000h
value are compared and match
• • • •
03 min 50 s
correction ends
Subtraction
M
Page 357 of 725
18. Timer RE2
001h
• • • •