M16CSLASH29 datasheet(154/499 Pages) RENESAS

154 / 499 page

12. Timer (Three-phase Motor Control Timer Function)

page 130

Figure 12.29 TA1, TA2, TA4, TA11, TA21, and TA41 Registers

Symbol

Address

After reset

TA1

038916-038816

Undefined

TA2

038B16-038A16

Undefined

TA4

038F16-038E16

Undefined

TA11(6,7)

034316-034216

Undefined

TA21(6,7)

034516-034416

Undefined

TA41(6,7)

034716-034616

Undefined

b0 b7

(b15)

(b8)

Assuming the set value = n, upon a start trigger the timer

starts counting the count source and stops after counting

it n times. The positive and negative phases change at

the same time timer A, A2 or A4 stops.

Function

Setting Range

Timer Ai, Ai-1 Register (i=1, 2, 4) (1, 2, 3, 4, 5)

NOTES:

1. The register must be accessed in 16 bit units.

2. When the timer Ai register is set to 000016, the counter does not operate and a timer Ai interrupt does not occur.

3. Use MOV instruction to write to these registers.

4. If the INV15 bit is 0 (dead time timer enable), the positive or negative phase whichever is going from an inactive

to an active level changes at the same time the dead time timer stops.

5. If the INV11 bit is 0 (three-phase mode 0), the TAi register value is transferred to the reload register by

a timer Ai (i = 1, 2 or 4) start trigger.

If the INV11 bit is 1 (three-phase mode 1), the TAi1 register value is transferred to the reload register by a timer Ai

start trigger first and then the TAi register value is transferred to the reload register by the next timer Ai start trigger.

Thereafter, the TAi1 register and TAi register values are transferred to the reload register alternately.

6. Do not write to TAi1 registers synchronously with a timer B2 underflow In three-phase mode 1.

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