L99MM70XP datasheet(55/68 Pages) STMICROELECTRONICS

55 / 68 page

L99MM70XP

SPI control and status registers

Doc ID 022637 Rev 2

55/68

Table 34.

Control registers 2

Control register 2 (02h)

Bit

432

Reset state

000

Name

reserved ECFDLS ECVLS OUT9 OUT8HS2 OUT8HS1 OUT7 OUT6 ECND

EC5

EC4

EC3

EC2

EC1

EC0

ECON

Table 35.

Control registers 2, bits

Bit name

Comment

reserved

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

ECFDLS

1: switch on the ECFD LS driver

0: switch off the ECFD LS driver

ECVLS

1: switch on the ECV LS driver

0: switch off the ECV LS driver

If the ECVPWM1 bit (CR4/Bit4) is also set, then the ECV output is controlled by the PWM1 input

OUT9

1: switch on the OUT9 HS driver

0: switch off the OUT9 HS driver

If the OUT9PWM1 bit (CR4/Bit11) is also set, then the OUT9 output is controlled by the PWM1 input

OUT8HS2

11: switch off the OUT8 HS driver

10: switch on the OUT8 HS driver (high current mode)

01: switch on the OUT8 HS driver (low current mode)

00: switch off the OUT8 HS driver

If the OUT8PWM3 bit (CR4/Bit10) is also set, then the OUT8 output is controlled by the PWM3 input

OUT8HS1

OUT7

1: switch on the OUT7 HS driver

0: switch off the OUT7 HS driver

If the OUT7PWM1 bit (CR4/Bit9) is also set, then the OUT7 output is controlled by the PWM1 input

This bit is disabled if ECON = 1. In this case OUT7 is switched on permanently.

OUT6

1: switch on the OUT6 HS driver

0: switch off the OUT6 HS driver

If the OUT6PWM2 bit (CR4/Bit8) is also set, then the OUT6 output is controlled by the PWM2 input

ECND

EC negative discharge:

0: EC negative discharge off

1: EC negative discharge on

EC5

Reference value for difference voltage amplifier at pin ECV, binary coded. The full scale value is set in

ECVL (CR3/Bit5). If all EC bits are set to zero, the reference value is 0V.

EC4

EC3

EC2

EC1

EC0

ECON

1: EC control enabled

0: EC control disabled

If the EC control is enabled, the output OUT7 is switched on permanently.

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