Renesas M16C User Manual

Rev.1.10    Jul 01, 2005    page 124 of 318
REJ09B0124-0110

M16C/6N Group (M16C/6NK, M16C/6NM)

13. Three-Phase Motor Control Timer Function

This document is under development and its contents are subject to change.

Trigger Select Register

 Symbol

Address

After Reset 

TRGSR

 0383h 

      00h

b7

b6

b5

b4

b3

b2

b1

b0

RW

RW

RW

RW

RW

RW

RW

RW

RW

Bit Name

Bit 

Symbol

TA1TGL

TA1TGH

TA2TGL

Timer A1 Event/Trigger 
Select Bit

TA2TGH

TA3TGL

TA3TGH

TA4TGL

TA4TGH

Function

Set to "01b" (TB2 underflow) before
using a V-phase output control circuit

Timer A2 Event/Trigger 
Select Bit

Set to "01b" (TB2 underflow) before
using a W-phase output control circuit

: Selects an input to the TA3IN pin 

(1)

: Selects TB2 

(2)

: Selects TA2 

(2)

: Selects TA4 

(2)

Timer A3 Event/Trigger 
Select Bit

Timer A4 Event/Trigger 
Select Bit

Set to "01b" (TB2 underflow) before
using a U-phase output control circuit

NOTES: 

1. Set the corresponding port direction bit to "0" (input mode). 
2. Overflow or underflow. 

b5

0
0
1
1

b4

0
1
0
1

Count Start Flag

 Symbol

Address

After Reset 

TABSR

  0380h 

      00h

b7

b6

b5

b4

b3

b2

b1

b0

RW

RW

RW

RW

RW

RW

RW

RW

RW

Bit Name

Bit 

Symbol

TA0S

TA1S

TA2S

TA3S

TA4S

TB0S

TB1S

TB2S

Function

0 : Stops counting
1 : Starts counting

Timer A0 Count Start Flag

Timer A1 Count Start Flag

Timer A2 Count Start Flag

Timer A3 Count Start Flag

Timer A4 Count Start Flag

Timer B0 Count Start Flag

Timer B1 Count Start Flag

Timer B2 Count Start Flag