LP5562TMXSLASHNOPB datasheet(19/52 Pages) TI2

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LP5562

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SNVS820B – APRIL 2013 – REVISED DECEMBER 2016

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7.3.3.4.2

Set PWM

Set PWM output value from 0 to 255. Command takes sixteen 32-kHz clock cycles (= 488 μs). Setting register

00h bit LOG_EN sets the scale from linear to logarithmic.

Table 12. Set PWM Command Bits

Set PWM command

PWM value

7.3.3.4.3

Go-to-Start

Go-to-start command resets the Program Counter register and continues executing program from the 00h

location. Command takes sixteen 32-kHz clock cycles. Note that default value for all program memory registers

is 0000h, which is Go-to-Start command.

Table 13. Go-to-Start Command Bits

Go-to-Start command

(1)

X means do not care whether 1 or 0

7.3.3.4.4

Branch

When branch command is executed, the 'step number' value is loaded to PC, and program execution continues

from this location. Looping is done by the number defined in loop count parameter. Nested looping is supported

(loop inside loop). The number of nested loops is not limited. Command takes sixteen 32-kHz clock cycles.

Table 14. Branch Command (1)

Branch command

Loop count

Step number

Table 15. Branch Command Bits

NAME

VALUE

DESCRIPTION

loop count

0-63

The number of loops to be done. 0 means infinite loop.

step number

0-15

The step number to be loaded to program counter.

(1)

X means do not care whether 1 or 0.

7.3.3.4.5

End

End program execution resets the program counter and sets the corresponding EXEC register to 00b (hold).

Command takes sixteen 32 kHz clock cycles.

Table 16. End Command (1)

End command

int

reset

Table 17. End Command Bits

NAME

VALUE

DESCRIPTION

int

No interrupt will be sent.

Send interrupt by setting corresponding status register bit high to

notify that program has ended. Interrupt can only be cleared by

reading interrupt status register 0Ch.

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