R8C35A Datasheet, PDF (447/766 Pages) Renesas Technology Corp – MCU M16C FAMILY / R8C/Tiny SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change
R8C/35A Group
21. Timer RE
21.2.3 Timer RE Hour Data Register (TREHR) in Real-Time Clock Mode
Address 011Ah
Bit b7
Symbol BSY
After Reset 0
b6
b5
b4
b3
b2
b1
b0
—
HR11 HR10 HR03 HR02 HR01 HR00
0
0
0
0
0
0
0
Bit Symbol
Bit Name
Function
Setting Range R/W
b0 HR00 1st digit of hour count bit
Count 0 to 9 every hour. When the digit 0 to 9
R/W
b1 HR01
b2 HR02
moves up, 1 is added to the 2nd digit of (BCD code) _R/W
hour.
R/W
b3 HR03
R/W
b4 HR10 2nd digit of hour count bit
Count 0 to 1 w hen the H12_H24 bit is set 0 to 2
R/W
b5 HR11
to 0 (12-hour mode).
(BCD code) _R/W
Count 0 to 2 w hen the H12_H24 bit is set
to 1 (24-hour mode).
b6
— Nothing is assigned. If necessary, set to 0. When read, the content is 0.
—
b7
BSY Timer RE busy flag
This bit is set to 1 while registers TRESEC, TREMIN,
R
TREHR, and TREWK are updated.
21.2.4 Timer RE Day of Week Data Register (TREWK) in Real-Time Clock Mode
Address 011Bh
Bit b7
b6
b5
b4
b3
b2
b1
b0
Symbol BSY
—
—
—
—
WK2 WK1 WK0
After Reset 0
0
0
0
0
0
0
0
Bit Symbol
Bit Name
Function
R/W
b0
WK0 Day of week count bit
b1
WK1
b2
WK2
b2 b1 b0
0 0 0: Sunday
0 0 1: Monday
0 1 0: Tuesday
R/W
R/W
R/W
0 1 1: Wednesday
1 0 0: Thursday
1 0 1: Friday
1 1 0: Saturday
1 1 1: Do not set.
b3
— Nothing is assigned. If necessary, set to 0. When read, the content is 0.
—
b4
—
b5
—
b6
—
b7
BSY Timer RE busy flag
This bit is set to 1 while registers TRESEC, TREMIN, R
TREHR, and TREWK are updated.
REJ09B0407-0010 Rev.0.10 Jan 16, 2008
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