h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 336

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 11 16-Bit Free-Running Timer
11.2.8
TCR is an 8-bit readable/writable register that selects the rising or falling edge of the input capture
signals, enables the input capture buffer mode, and selects the FRC clock source.
TCR is initialized to H'00 by a reset and in hardware standby mode.
Bit 7—Input Edge Select A (IEDGA): Selects the rising or falling edge of the input capture A
signal (FTIA).
Bit 7
IEDGA
0
1
Bit 6—Input Edge Select B (IEDGB): Selects the rising or falling edge of the input capture B
signal (FTIB).
Bit 6
IEDGB
0
1
Bit 5—Input Edge Select C (IEDGC): Selects the rising or falling edge of the input capture C
signal (FTIC).
Bit 5
IEDGC
0
1
Rev. 4.00 Jun 06, 2006 page 282 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Timer Control Register (TCR)
Description
Capture on the falling edge of FTIA
Capture on the rising edge of FTIA
Description
Capture on the falling edge of FTIB
Capture on the rising edge of FTIB
Description
Capture on the falling edge of FTIC
Capture on the rising edge of FTIC
IEDGA
R/W
7
0
IEDGB
R/W
6
0
IEDGC
R/W
5
0
IEDGD
R/W
4
0
BUFEA
R/W
3
0
BUFEB
R/W
2
0
CKS1
R/W
1
0
(Initial value)
(Initial value)
(Initial value)
CKS0
R/W
0
0