Section 12 Timer V
12.3.5
Timer Control Register V1 (TCRV1)
TCRV1 selects the edge at the TRGV pin, enables TRGV input, and selects the clock input to
TCNTV.
Initial
Bit
Bit Name Value
R/W
Description
7 to 5
All 1
Reserved
These bits are always read as 1.
TRGV Input Edge Select
4
3
TVEG1
TVEG0
0
0
R/W
R/W
These bits select the TRGV input edge.
00: TRGV trigger input is prohibited
01: Rising edge is selected
10: Falling edge is selected
11: Rising and falling edges are both selected
2
TRGE
0
R/W
TCNT starts counting up by the input of the edge which is
selected by TVEG1 and TVEG0.
0: Disables starting counting-up TCNTV by the input of
the TRGV pin and halting counting-up TCNTV when
TCNTV is cleared by a compare match.
1: Enables starting counting-up TCNTV by the input of
the TRGV pin and halting counting-up TCNTV when
TCNTV is cleared by a compare match.
1
0
1
0
Reserved
This bit is always read as 1.
Internal Clock Select 0
ICKS0
R/W
This bit selects clock signals to input to TCNTV in
combination with CKS2 to CKS0 in TCRV0.
Refer to table 12.2.
Rev. 3.00 Sep. 10, 2007 Page 191 of 528
REJ09B0216-0300
RENESAS [ RENESAS TECHNOLOGY CORP ]
