Fujitsu F2MCTM-16LX Manual de usuario Pagina 263

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CHAPTER 14 16-BIT RELOAD TIMER
14.3.2 Timer Control Status Registers (Low) (TMCSR: L)
The timer control status registers (Low) (TMCSR:L) enables or disable the timer
operation, check the generation of a software trigger or an underflow, enables or
disable an underflow interrupt, select the reload mode, and set the output of the TOT
pin.
Timer Control Status Registers (Low) (TMCSR: L)
Figure 14.3-4 Timer Control Status Registers (Low) (TMCSR: L)
00000000
B
45321
6
R/W R/W R/W R/W R/W R/W R/W
0
7
TMCSR2 : 000064
H
TMCSR3 : 000066
H
TRGCNTEUFINTERELDOUTLOUTE
R/W : Read/Write
: Reset value
: For MOD0 (bit 7), see "14.3.1 Timer Control Status Registers (High) (TMCSR:H)".
Reset value
Address:
bit0
TRG Software trigger bit
0No effect
1 After reloading, starts counting
bit1
CNTE Timer operation enable bit
0 Timer operation disabled
1 Timer operation enabled (wait start trigger)
bit2
UF
Underflow generating flag bit
Read Write
0 No underflow Clear UF bit
1 Underflow No effect
bit3
INTE Underflow interrupt enable bit
0 Underflow interrupt disable
1 Underflow interrupt enable
bit4
RELD Reload select bit
0 One-shot mode
1 Reload mode
bit5
OUTL
TOT pin output level select bit
One-shot mode (RELD=0) Reload mode (RELD=1)
0
High rectangular wave output
during counting
Low toggle output at starting reload timer
1
Low rectangular wave output
during counting
High toggle output at starting reload timer
bit6
OUTE
TOT pin output enable bit
Pin function
0 General-purpose I/O port
1 TOT output
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