r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 368

• 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
18.2.12 Timer RE2 Count Source Select Register (TRECSR)
TRECR register
RTCRST bit in
Bits CS0 to CS3 (Count source select bits)
Bits OS0 to OS2 (Timer RE2 output select bits)
AADJM Bit (Automatic correction mode select bit)
After reset by
Bit
b0
b1
b2
b3
b4
b5
b6
b7
After Reset
Change these bits when the RUN bit in the TRECR register is 0 (count stops).
Change these bit when the RUN bit is 0 (count stops).
These bits are enabled when the TREOE bit in the TRECR register is 1 (TMRE2O output enabled).
This bit is enabled when the AADJE bit in the TRECR register is 1 (automatic correction function enabled
(correction by software disabled)).
When the AADJM bit is set to 0, correction is performed every minute and the resolution is ±0.5 ppm. When
this bit is set to 1, correction is performed every 10 seconds and the resolution is ±3 ppm.
Change this bit when the BSY bit in the TRESEC register is 0 (data not being updated) and the TADJSF bit in
the TREIFR register is 0.
Address 00178h
Symbol AADJM
Symbol
AADJM Automatic correction mode select bit
CS0
CS1
CS2
CS3
OS0
OS1
OS2
in Real-Time Clock Mode
Bit
Preliminary document
Specifications in this document are tentative and subject to change.
Timer RE2 output select bits
Count source select bits
b7
0
0
OS2
b6
X
0
Bit Name
OS1
b5
X
0
OS0
b4
0
X
Set to 1000b (fC1) in real-time clock mode
(CS3 bit = 1).
0: Corrected every minute
1: Corrected every 10 seconds
b6 b5 b4
0 0 0 : f4
0 0 1: fC1
0 1 0 : f8
0 1 1: 1 Hz
1 0 0: f16
1 0 1: 64 Hz
1 1 0: f32
1 1 1: Do not set.
CS3
b3
X
1
CS2
b2
X
0
Function
CS1
b1
X
0
CS0
b0
X
0
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18. Timer RE2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W