M32CSLASH86 datasheet(332/505 Pages) RENESAS

332 / 505 page

22. Intelligent I/O (Stepping Moter Control Function)

Page 309

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22.5 Stepping Motor Control Function

The stepping motor control function controls up to four sets of stepping motors by microstepping.

Table 22.29 lists pin structure. Table 22.30 lists specifications of the stepping motor control function.

Table 22.29 Pin Structure

Table 22.30 Stepping Motor Control Function Specifications

Item

Specification

PWM Output

4 sets (4 outputs per set)

Count Source

fBT1

Carrier Wave Cycle

Set the BTRE bit in the G1POCRi register (i=0 to 7) to "1" (base

timer reset enabled when bit 10 in the base timer overflows)

PWM Output Waveform

Primary output width :

Inversed level signal width :

m: setting value of the G1POi register

EMI Countermeasure

Delaying PWM output from each set reduces noise generated by output buffer switching

1026

fBTi

1026- m

fBTi

PWM Set

Output Pin

Function

Set 0

GASP0

A-phase positive terminal for Set 0

GASM0

A-phase negative terminal for Set 0

GACP0

B-phase positive terminal for Set 0

GACM0

B-phase negative terminal for Set 0

Set 1

GASP1

A-phase positve terminal for Set 1

GASM1

A-phase negative terminal for Set 1

GACP1

B-phase positive terminal for Set 1

GACM1

B-phase negative terminal for Set 1

Set 2

GASP2

A-phase positive terminal for Set 2

GASM2

A-phase negative terminal for Set 2

GACP2

B-phase positive terminal for Set 2

GACM2

B-phase negative terminal for Set 2

Set 3

GASP3

A-phase positive terminal for Set 3

GASM3

A-phase negative terminal for Set 3

GACP3

B-phase positive terminal for Set 3

GACM3

B-phase negative terminal for Set 3

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