M38B53M4-059FP datasheet(120/355 Pages) MITSUBISHI

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2-32

38B5 Group User’s Manual

APPLICATION

2.2 Timer

(6)

Timer application example 5: Control of stepping motor

Outline: The rotating of stepping motor is controlled by using real time output ports.

Specifications: •The motor is controlled by using 2 real time output ports.

•The count source is f(XIN) = 4.19 MHz divided by 8.

•Values of Timer X and real time output are updated in the timer X interrupt routine

Figure 2.2.28 shows the timers connection and the table example of timer X/RTP setting values;

Figure 29 shows the RTP output example; Figure 2.2.30 shows the relevant registers setting; Figure

2.2.31 shows the control procedure.

Fig. 2.2.28 Timers connection and table example of timer X/RTP setting values

Fig. 2.2.29 RTP output example

Timer X setting table example

RTP

output time

Timer X value

RTP value

TXM2,b2TXM2,b3

38B5 group

Motor

RTP P85

RTP P86

TXM2

TXL

TXH

RTP

table

Timer X

table

2FD016

11C116

122116

13A916

13C916

186916

208116

2B7116

(4)

(3)

(2)

(1)

RTP setting table example

RTP output

pattern

RTP: Real Time Port

RTP output time

RTP P85

RTP P86

RTP

output

pattern

(1)

RTP

output

pattern

(2)

RTP

output

pattern

(3)

RTP

output

pattern

(4)

(1)(2)(3)(4)

RTP: Real Time Port

M38B53M4-059FP Datasheet(PDF) 120 Page - Mitsubishi Electric Semiconductor

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