M16C62_N Datasheet, PDF (299/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

Timer A
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Up/down flag
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
UDF
Address
038416
When reset
0016
Bit symbol
Bit name
Function
TA0UD
TA1UD
TA2UD
TA3UD
TA4UD
Timer A0 up/down flag
Timer A1 up/down flag
Timer A2 up/down flag
Timer A3 up/down flag
Timer A4 up/down flag
0 : Down count
1 : Up count
This specification becomes valid
when the up/down flag content is
selected for up/down switching
cause
TA2P
TA3P
TA4P
Timer A2 two-phase pulse
signal processing select bit
Timer A3 two-phase pulse
signal processing select bit
Timer A4 two-phase pulse
signal processing select bit
0 : two-phase pulse signal
processing disabled
1 : two-phase pulse signal
processing enabled
When not using the two-phase
pulse signal processing function,
set the select bit to “0”
RW
One-shot start flag
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
ONSF
Address
038216
When reset
00X000002
Bit symbol
Bit name
TA0OS Timer A0 one-shot start flag
TA1OS Timer A1 one-shot start flag
Function
1 : Timer start
When read, the value is “0”
RW
TA2OS Timer A2 one-shot start flag
TA3OS Timer A3 one-shot start flag
TA4OS Timer A4 one-shot start flag
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be indeterminate.
TA0TGL
TA0TGH
Timer A0 event/trigger
select bit
b7 b6
0 0 : Input on TA0IN is selected (Note)
0 1 : TB2 overflow is selected
1 0 : TA4 overflow is selected
1 1 : TA1 overflow is selected
Note: Set the corresponding port direction register to “0”.
Figure 2.2.4. Timer A-related registers (3)
284