L99MM70XP datasheet(56/68 Pages) STMICROELECTRONICS

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SPI control and status registers

L99MM70XP

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Doc ID 022637 Rev 2

Table 36.

Control register 3

Control register 3 (03h)

Bit

43210

Reset state

00000

Name

reserved

OCR

Freq

OVUVR

OUT5

OUT4

OUT3

OUT2

OUT1

LIN

Flash

LIN

TXD

Tout

ECVL

OUT5

PWM1

OUT4

PWM1

OUT3

PWM1

OUT2

PWM1

OUT1

PWM1

Table 37.

Control register 3, bits

Bit name

Comment

reserved

Reserved bit, has always to be written to 0 and reads always 0

OCRFREQ

OCR frequency:

This bit defines the overcurrent recovery frequency of a driver in overcurrent recovery mode

0: 1.7 kHz

1: 3 kHz

OVUVR

Overvoltage/undervoltage recovery:

1: clear status register to enable the outputs after an overvoltage/undervoltage event

0: outputs are enabled automatically after an overvoltage/undervoltage event

OUT5OR

Overcurrent recovery enable:

1: the output is automatically reactivated after a delay time with programmable duty cycle

(CR3/Bit14)

0: clear status register to enable the output after an overcurrent event

OUT4OR

OUT3OR

OUT2OR

OUT1OR

LINFLASH

LIN flash mode:

0: 20 kbit/s

1: 100 kbit/s

LINTXDTout

Dominant TxD time-out for the LIN interface:

1: enable the dominant TXD time-out for the LIN interface

0: disable the dominant TXD time-out for the LIN interface

ECVL

EC voltage limit:

0: max EC voltage = 1.2V

1: max EC voltage = 1.5V

OUT5PWM1

If the PWM enable bit is set and the output is enabled, the output is switched on only if the PWM1

input is high, and switched off if the PWM1 input is low.

OUT4PWM1

OUT3PWM1

OUT2PWM1

OUT1PWM1

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