Renesas H8S/2111B 用户手册
Rev. 1.00, 05/04, page 166 of 544
9.3.8
Timer Control Register (TCR)
TCR selects the rising or falling edge of the input capture signals, enables the input capture buffer
mode, and selects the FRC clock source.
mode, and selects the FRC clock source.
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
7
IEDGA
0
R/W
Input Edge Select A
Selects the rising or falling edge of the input capture A
signal (FTIA).
signal (FTIA).
0: Capture on the falling edge of FTIA
1: Capture on the rising edge of FTIA
6
IEDGB
0
R/W
Input Edge Select B
Selects the rising or falling edge of the input capture B
signal (FTIB).
signal (FTIB).
0: Capture on the falling edge of FTIB
1: Capture on the rising edge of FTIB
5
IEDGC
0
R/W
Input Edge Select C
Selects the rising or falling edge of the input capture C
signal (FTIC).
signal (FTIC).
0: Capture on the falling edge of FTIC
1: Capture on the rising edge of FTIC
4
IEDGD
0
R/W
Input Edge Select D
Selects the rising or falling edge of the input capture D
signal (FTID).
signal (FTID).
0: Capture on the falling edge of FTID
1: Capture on the rising edge of FTID
3
BUFEA
0
R/W
Buffer Enable A
Selects whether ICRC is to be used as a buffer register
for ICRA.
for ICRA.
0: ICRC is not used as a buffer register for ICRA
1: ICRC is used as a buffer register for ICRA
2
BUFEB
0
R/W
Buffer Enable B
Selects whether ICRD is to be used as a buffer register
for ICRB.
for ICRB.
0: ICRD is not used as a buffer register for ICRB
1: ICRD is used as a buffer register for ICRB