NEC V850ES/KE1+ User Manual page 175

(2) External trigger pulse output mode operation timing
(a) Note on changing pulse width during operation
To change the PWM waveform while the counter is operating, write the TP0CCR1 register last.
Rewrite the TP0CCRa register after writing the TP0CCR1 register after the INTTP0CC0 signal is detected.
FFFFH
16-bit counter
0000H
TP0CE bit
External trigger input
(TIP00 pin input)
TP0CCR0 register
CCR0 buffer register
INTTP0CC0 signal
TOP00 pin output
(software trigger)
TP0CCR1 register
CCR1 buffer register
INTTP0CC1 signal
TOP01 pin output
CHAPTER 6 16-BIT TIMER/EVENT COUNTER P (TMP)
D D
00 00
D D
10 10
D
00
D
00
D
10
D
10
User's Manual U16896EJ2V0UD
D
01
D D D
00 11
D
10
D
01
D
D
D
D
01
11
01
11
11
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