EM78P516N datasheet(68/98 Pages) EMC

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EM78P516N

8-Bit Microcontroller

••••

Product Specification (V1.0) 04.09.2015

(This specification is subject to change without prior notice)

The IROUT output waveform is further explained in the following figures:

Figure 6-21

LGP=0, HF=1, the IROUT waveform can modulate Fcarrier waveform

when in low-pulse width time.

Figure 6-22

LGP=0, HF=0, the IROUT waveform cannot modulate Fcarrier

waveform when in low-pulse width time. So IROUT waveform is determined

by high-pulse time and low-pulse time. This mode can produce standard

PWM waveform.

Figure 6-23

LGP=0, HF=1, the IROUT waveform can modulate Fcarrier waveform

when in low-pulse width time. When IRE goes from high to low, the output

waveform of IROUT will keep on transmitting until high-pulse width timer

interrupt occurs.

Figure 6-24

LGP=0, HF=0, the IROUT waveform can not modulate Fcarrier

waveform when in low-pulse width time. So IROUT waveform is determined

by high-pulse time and low-pulse time. This mode can produce standard

PWM waveform. When IRE goes from high to low, the output waveform of

IROUT will keep on transmitting till high-pulse width timer interrupt occurs.

Figure6-25

LGP=1, when this bit is set to high level, the high-pulse width timer is

ignored. So IROUT waveform output from low-pulse width timer is

established.

Fcarrier

low-pulse width

high-pulse width

IROUT

start

IRE

high-pulse width

low-pulse width

Figure 6-21 LGP=0, IROUT Pin Output Waveform

Fcarrier

low-pulse width

high-pulse width

IROUT

start

IRE

high-pulse width

low-pulse width

Figure 6-22 LGP=0, IROUT Pin Output Waveform

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