SH7101 datasheet(167/486 Pages) RENESAS

167 / 486 page

8. Multi-Function Timer Pulse Unit (MTU)

Rev.2.00 Sep. 27, 2007 Page 133 of 448

REJ09B0394-0200

8.3.12

Timer Gate Control Register (TGCR)

TGCR is an 8-bit readable/writable register that controls the waveform output necessary for

brushless DC motor control in reset-synchronized PWM mode/complementary PWM mode.

These register settings are ineffective for anything other than complementary PWM mode/reset-

synchronized PWM mode.

Bit

Bit Name

Initial

value

R/W

Description

⎯

Reserved

This bit is always read as 1. Only 1 should be written to

this bit.

BDC

R/W

Brushless DC Motor

This bit selects whether to make the functions of this

0: Ordinary output

1: Functions of this register are made effective

R/W

Reverse Phase Output (N) Control

This bit selects whether the level output or the reset-

synchronized PWM/complementary PWM output while

the reverse pins (TIOC3D, TIOC4C, and TIOC4D) are

on-output.

0: Level output

1: Reset synchronized PWM/complementary PWM

output

R/W

Positive Phase Output (P) Control

This bit selects whether the level output or the reset-

synchronized PWM/complementary PWM output while

the positive pin (TIOC3B, TIOC4A, and TIOC4B) are on-

output.

0: Level output

1: Reset synchronized PWM/complementary PWM

output

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