r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 448

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 21.2
21.2.5
Note:
1. This bit is automatically modified while timer RE counts.
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 011Ch
PM bit and H12_H24 bits: Bits in TRECR1 register
The above applies to the case when count starts from a.m. 0 on Sunday.
Symbol TSTART H12_H24
TREHR Register
Contents of PM bit
Contents in TREWK register
TREHR Register
Contents of PM bit
Contents in TREWK register
Contents of
Contents of
H12_H24 Operating mode select bit
TRERST Timer RE reset bit
TSTART Timer RE count start bit
Symbol
TOENA TREO pin output enable bit
TCSTF Timer RE count status flag
Bit
Timer RE Control Register 1 (TRECR1) in Real-Time Clock Mode
INT
PM
—
Definition of Time Representation
b7
0
H12_H24 bit = 1
H12_H24 bit = 0
H12_H24 bit = 1
H12_H24 bit = 0
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Interrupt request timing bit
A.m./p.m. bit
(24-hour mode)
(12-hour mode)
(24-hour mode)
(12-hour mode)
b6
0
Bit Name
18
0
0
6
19
1
1
7
000 (Sunday)
PM
b5
0
1 (p.m.)
20
2
2
8
21
3
3
9
TRERST
b4
0: Count stopped
1: Counting
0: Disable clock output
1: Enable clock output
Set to 1 in real-time clock mode.
When setting this bit to 0, after setting it to 1, the followings
will occur.
• Registers TRESEC, TREMIN, TREHR, TREWK, and
• Bits TCSTF, INT, PM, H12_H24, and TSTART in the
• The 8-bit counter is set to 00h and the 4-bit counter is set
When the H12_H24 bit is set to 0 (12-hour mode)
0: a.m.
1: p.m.
When the H12_H24 bit is set to 1 (24-hour mode), its value
is undefined.
0: 12-hour mode
1: 24-hour mode
0: Count stops
1: Count starts
22
10
4
4
0
TRECR2 are set to 00h.
TRECR1 register are set to 0.
to 0h.
Date changes
0 (a.m.)
23
11
5
5
6
6
0
0
INT
001 (Monday)
b3
0
0 (a.m.)
7
7
1
1
000 (Sunday)
8
8
2
2
TOENA
b2
0
9
9
3
3
Function
10
10
TCSTF
11
11
Noon
b1
0
12
0
13
1
⋅⋅⋅
⋅⋅⋅
⋅⋅⋅
⋅⋅⋅
b0
—
0
1 (p.m.)
14
2
15
3
(1)
Page 416 of 740
16
4
21. Timer RE
17
5
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
R