L9945 datasheet(70/151 Pages) STMICROELECTRONICS

Part #	L9945

Description	Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems

PDF	151 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

70 / 151 page

COMMAND 10

Frame partitioning

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

FIXED_PATTERN

Description:

BIST request and CC enable

[31:28] C: Command 10

1010

[27] R/W: Bit to read/write configuration

0: Write & request read

1: Request read only

[26:7] FIXED_PATTERN: Not used

01010101010101010101

[6:5] BIST_RQ: Request for BIST and HWSC sequence

00: not allowed => behavior as for "no request"

01: request

10: no request

11: not allowed => behavior as for "no request"

[4:3] CONFIG_CC: Activation or deactivation of communication check

00: not allowed => previous configuration will be maintained

01: CC active

10: CC inactive

11: not allowed => previous configuration will be maintained

[2:1] FIXED_PATTERN

[0] PARITY: Parity bit, based on even parity calculation

0: If the number of 1 is odd

1: If the number of 1 is even

L9945

SPI MOSI/MISO list

DS12275 - Rev 8

page 70/151

L9945 Datasheet(PDF) 70 Page - STMicroelectronics