R8C-26_1 Datasheet, PDF (225/485 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES

R8C/26 Group, R8C/27 Group
14. Timers
Timer RC Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
Address
After Reset
TRCCR1
0121h
00h
Bit Symbol
Bit Name
Function
RW
TRCIOA output level select bit^{(1, 2)} 0 : Initial output “L”
TOA
1 : Initial output “H”
RW
TRCIOB output level select bit^{(1, 2)}
TOB
RW
TRCIOC output level select bit^{(1, 2)}
TOC
RW
TRCIOD output level select bit^{(1, 2)}
TOD
RW
TCK0
Count source select bits⁽¹⁾
TCK1
TCK2
b6 b5 b4
0 0 0 : f1
RW
0 0 1 : f2
0 1 0 : f4
0 1 1 : f8
RW
1 0 0 : f32
1 0 1 : TRCCLK input rising edge
1 1 0 : fOCO40M
1 1 1 : Do not set.
RW
TRC counter clear select bit
0 : Disable clear (free-running
CCLR
operation)
1 : Clear by compare match in the
RW
TRCGRA register
NOTES:
1. Set to these bits w hen the TSTART bit in the TRCMR register is set to 0 (count stops).
2. If the pin function is set for w aveform output (refer to Tables 7.13 to 7.16, Tables 7.26 to 7.29, and Tables 7.37
to 7.40), the initial output level is output w hen the TRCCR1 register is set.
Figure 14.49 TRCCR1 Register for Output Compare Function
Table 14.19 Functions of TRCGRj Register when Using Output Compare Function
Register
TRCGRA
TRCGRB
TRCGRC
TRCGRD
TRCGRC
TRCGRD
Setting
−
BFC = 0
BFD = 0
BFC = 1
BFD = 1
Register Function
General register. Write a compare value to one of these
registers.
General register. Write a compare value to one of these
registers.
Buffer register. Write the next compare value to one of
these registers. (Refer to 14.3.3.2 Buffer Operation.)
Output Compare
Output Pin
TRCIOA
TRCIOB
TRCIOC
TRCIOD
TRCIOA
TRCIOB
j = A, B, C, or D
BFC, BFD: Bits in TRCMR register
Rev.2.10 Sep 26, 2008 Page 208 of 453
REJ09B0278-0210