L99UDL01 datasheet(59/88 Pages) STMICROELECTRONICS

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DS12511 Rev 5

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L99UDL01

Programmers guide

6.2

Output configuration registers

The Configuration Registers are registers written to the L99UDL01 by the MASTER

C to

configure the actuation of the L99UDL01 outputs. Each command consists of an address,

data bits, and a parity bit.

The information written in these register sets up timing and

regulation parameters during lock / unlock actuation.

6.2.1

This register sets up the on-time and off-time durations of the lock / unlock actuations as

well as enables/disables the braking function. The information of this register remain even

after actuation.

This register can be read or written. New data is not acted upon if programmed while in

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

Table 32. External output polarity bits

Output polarity

EXTx_LSD

EXTx_HSD

Polarity

Tri-state

High Side on

Low Side on

Tri-state

Figure 18. 02H Driver configuration register 1

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

000

Default Values

000

Table 33. 02H Configuration bit description

Bit#

Command

Description

DBN_EX2

Dynamic Braking disable for external bridge driver 2

DBN_EX1

Dynamic Braking disable for external bridge driver 1

DBN_6

Dynamic Braking disable for Internal bridge 6

DBN_5

Dynamic Braking disable for Internal bridge 5

DBN_4

Dynamic Braking disable for Internal bridge 4

DBN_3

Dynamic Braking disable for Internal bridge 3

DBN_2

Dynamic Braking disable for Internal bridge 2

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