HD64F3644PV Datasheet, PDF (473/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

TCRX—Timer control register X
Appendix B Internal I/O Registers
H'F776
Timer X
Bit
Initial value
Read/Write
7
IEDGA
0
R/W
6
IEDGB
0
R/W
5
IEDGC
0
R/W
4
IEDGD
0
R/W
3
2
BUFEA BUFEB
0
0
R/W R/W
1
CKS1
0
R/W
0
CKS0
0
R/W
Clock select
0 0 Internal clock: φ/2
1 Internal clock: φ/8
1 0 Internal clock: φ/32
1 Internal clock: rising edge
Buffer enable B
0 ICRD is not used as a buffer register for ICRB
1 ICRD is used as a buffer register for OCRB
Buffer enable A
0 ICRC is not used as a buffer register for ICRA
1 ICRC is used as a buffer register for OCRA
Input edge select D
0 Rising edge of input D is captured
1 Falling edge of input D is captured
Input edge select C
0 Rising edge of input C is captured
1 Falling edge of input C is captured
Input edge select B
0 Rising edge of input B is captured
1 Falling edge of input B is captured
Input edge select A
0 Rising edge of input A is captured
1 Falling edge of input A is captured
Rev. 6.00 Sep 12, 2006 page 451 of 526
REJ09B0326-0600