Datasheet
Section 12 Timer V 
Rev. 3.00 Mar. 15, 2006 Page 172 of 526 
REJ09B0060-0300   
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. 
Bit Bit Name 
Initial 
Value R/W Description 
7 to 5   All 1  Reserved 
These bits are always read as 1. 
4 
3 
TVEG1 
TVEG0 
0 
0 
R/W 
R/W 
TRGV Input Edge Select 
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   1  Reserved 
This bit is always read as 1. 
0  ICKS0  0  R/W  Internal Clock Select 0 
This bit selects clock signals to input to TCNTV in 
combination with CKS2 to CKS0 in TCRV0. 
Refer to table 12.2. 










