r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 247

• 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
17.2.5
Notes:
17.2.6
b7 to b0 All modes
1. When the TSTOP bit in the TRACR register is set to 1, the TRAPRE register is set to FFh.
2. Do not set 00h to the TRA register in pulse width measurement mode and pulse period measurement mode.
After Reset
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
Address 0104h
Address 0180h
The TRASR register selects which pin is assigned to the timer RA I/O. To use the I/O pin for timer RA, set this
register.
Set the TRASR register before setting the timer RA associated registers. Also, do not change the setting value
in this register during timer RA operation.
Symbol
Symbol
TRAIOSEL0 TRAIO pin select bit
TRAIOSEL1
TRAOSEL0 TRAO pin select bit
Bit
Bit
Symbol
Timer RA Register (TRA)
Timer RA Pin Select Register (TRASR)
—
—
—
—
—
b7
b7
—
—
1
Mode
0
Reserved bit
Reserved bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
b6
b6
—
—
1
0
Counts on underflow of TRAPRE register
Bit Name
b5
—
b5
—
1
0
b4
—
1
b4
—
0
Function
TRAOSEL0
b3
—
1
b1 b0
Set to 0.
Set to 0.
0 0: TRAIO pin not used
0 1: P1_7 assigned
1 0: P1_5 assigned
1 1: Do not set.
0: P3_7 assigned
1: P3_0 assigned
b3
0
b2
—
1
b2
—
0
Function
TRAIOSEL1 TRAIOSEL0
b1
—
1
b1
0
00h to FFh
Setting Range
b0
—
1
(Note 1)
b0
0
(2)
Page 215 of 740
17. Timer RA
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—