L99UDL01 datasheet(64/88 Pages) STMICROELECTRONICS

64 / 88 page

Programmers guide

L99UDL01

64/88

DS12511 Rev 5

TSD_ACT

This bit determines the reaction to a thermal shutdown event on an output. If reset the

thermal shutdown action is limited to the individual output OUTx (x=1...6). If set, all of the

internal outputs OUTx (x=1...6), the external outputs EX_OUTx (x=1, 2) and the charge

pump are disabled in a thermal shutdown event. No data is lost during a thermal shutdown

event.

GFI

This bit enables the DOUT pin to be a reflection of the GSBN bit in the Global Status Byte.

When enabled, the DOUT pin will go low if there is any fault indication in the Global Status

Byte or will remain high under no fault condition. When this bit is not set the DOUT pin is



tri-stated.

6.2.3

through 6)

These registers set up the current / PWM regulation for Output/Group 1, Output 2 and

Output 3 in register 04H and Output 4/Group 2, Output 5 and Output 6 in register 05H

These registers can be read or written to. New data is not acted upon if programmed while

in timed actuation. New data will be used in subsequent timed actuations.

Figure 20. 04H driver configuration register 3

OC1

OC2

D 15 D 14 D 13 D 12 D 11 D 10

D 9

D 8

D 7

D 6

D 5

D 4

D 3D 2

D 1D 0

0100

Default Values

00000

0000000000

Table 38. 04H register bit description

Bit#

Command

Description

C/PWM_SW_3

Out 3 Current / PWM enable bit

OCP3_3

Out 3 Curr/PWM CNTL bit 3

OCP3_2

Out 3 Curr/PWM CNTL bit 2

OCP3_1

Out 3 Curr/PWM CNTL bit 1

OCP3_0

Out 3 Curr/PWM CNTL bit 0

C/PWM_SW_2

Out 2 Current / PWM enable bit

OCP2_3

Out 2 Curr/PWM CNTL bit 3

OCP2_2

Out 2 Curr/PWM CNTL bit 2

OCP2_1

Out 2 Curr/PWM CNTL bit 1

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