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Rev. 1.0, 07/01, page 142 of 372
11.3.4 Timer Control/Status Register V(TCSRV)
TCSRV indicates the status flag and controls outputs by using a compare match.
Bit Bit Name Initial Value R/W Description
7 CMFB 0 R/W Compare Match Flag B
Setting condition:
When the TCNTV value matches the TCORB value
Clearing condition:
After reading CMFB=1, cleared by writing 0 to CMFB
6 CMFA 0 R/W Compare Match Flag A
Setting condition:
When the TCNTV value matches the TCORA value
Clearing condition:
After reading CMFA=1, cleared by writing 0 to CMFA
5 OVF 0 R/W Timer Overflow Flag
Setting condition:
When TCNTV overflows from H'FF to H'00
Clearing condition:
After reading OVF=1, cleared by writing 0 to OVF
4 − 1 − Reserved
This bit is always read as 1, and cannot be modified.
3
2
OS3
OS2
0
0
R/W
R/W
Output Select 3 and 2
These bits select an output method for the TOMV pin by
the compare match of TCORB and TCNTV.
00: No change
01: 0 output
10: 1 output
11: Output toggles
1
0
OS1
OS0
0
0
R/W
R/W
Output Select 1 and 0
These bits select an output method for the TOMV pin by
the compare match of TCORA and TCNTV.
00: No change
01: 0 output
10: 1 output
11: Output toggles