Setting Procedure For Pulse Width Measurement - NEC PD78212 User Manual

8-bit single-chip microcomputer sub-series

Table of Contents

µ PD78214 Sub-Series

(d) External interrupt mode register 0 (INTM0)

Fig. 7-105 Setting Procedure for Pulse Width Measurement

Set INTM0 register and

MK0L register

Initialize buffer memory for capture value

Set CRC1 register

Set TMC1 register

Enable interrupt

INTP1 interrupt

Overflow flag

Enables counting

Specifies valid edge of INTP1 input

to be rising and falling edges

; Specifies valid edge of

INTP1 input to be both

edges and unmasks interrupt

; Sets bit 7 of TMC1 to 1

Sets normal mode (CMD2 = 0)