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TMP96C141AF
Generating a 50% square wave
To generate a 50% square wave, invert the timer flip-
flop at a fixed interval and output the timer flip-flop
lows:
7
←
TRUN
–
←
P0MOD
x
←
TREG2
0
←
PFFCR
–
←
P7CR
x
←
P7FC
x
←
TRUN
1
Note:
x; don't care
82
6
5
4
3
2
1
x
–
–
–
0
–
0
1
1
0
0
x
0
0
0
0
1
1
–
–
–
1
0
0
x
x
x
–
1
–
x
x
x
–
1
–
x
–
–
–
1
–
–; no change
Figure 3.8 (11). Square Wave (50% Duty) Output Timing Chart
value to the timer output pin (TO2).
Example: To output a 3.0µs square wave at fc =
0
–
Stops PWM0 and clears it to 0.
Sets 8-bit timer mode and selects φ P1 (0.25µs) as the input clock.
x
0
Sets 3.0µs/0.25µs/2 = 6 in the timer register.
)
1
Clears TFF2 to 0 and inverts using comparator output.
Sets P72 as the TO2 pin.
–
x
–
16MHz from TO2 pin, set register as fol-
TOSHIBA CORPORATION
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