HD64F3644PV Datasheet, PDF (491/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

TCSRV—Timer control/status register V
Bit
7
6
5
4
CMFB CMFA OVF
—
Initial value
0
0
0
1
Read/Write R/(W)^* R/(W)^* R/(W)^* —
Appendix B Internal I/O Registers
H'FFB9
Timer V
3
2
1
0
OS3 OS2 OS1 OS0
0
0
0
0
R/W R/W R/W R/W
Output select
0 0 No change at compare match A
1 0 output at compare match A
1 0 1 output at compare match A
1 Output toggles at compare match A
Output select
0 0 No change at compare match B
1 0 output at compare match B
1 0 1 output at compare match B
1 Output toggles at compare match B
Timer overflow flag
0 [Clearing condition]
After reading OVF = 1, cleared by writing 0 to OVF
1 [Setting condition]
Set when TCNTV overflows from H'FF to H'00
Compare match flag A
0 [Clearing condition]
After reading CMFA = 1, cleared by writing 0 to CMFA
1 [Setting condition]
Set when the TCNTV value matches the TCORA value
Compare match flag B
0 [Clearing condition]
After reading CMFB = 1, cleared by writing 0 to CMFB
1 [Setting condition]
Set when the TCNTV value matches the TCORB value
Note: * Only a write of 0 for flag clearing is possible.
Rev. 6.00 Sep 12, 2006 page 469 of 526
REJ09B0326-0600