L99LDLH32 datasheet(42/142 Pages) STMICROELECTRONICS

Part #	L99LDLH32

Description	32-channel LED driver with automotive CAN FD Light interface

PDF	142 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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42 / 142 page

Communication interface

L99LDLH32

42/142

DS12879 Rev 6

6.2.3

Responder

The CAN FD Light compatible Responder is located in the LED satellites (see Figure 13)

and there inside the LED controller device (see Figure 15).

Figure 15. Responder ECU Controller Device

The implementation is done entirely in hardware It consists of three parts shown in

Figure 16



A standard CAN FD transceiver, according to ISO-11898-2;



A CAN FD Light compatible protocol controller with an accurate oscillator for

generating and sampling the data bits.



A communication protocol controller that sends and receives data to and from the

protocol controller and controls the communication.

Each Responder has its own 9-bit wide ID.

Rear Light Satellite

Device Memory

CAN FD

Transceiver

(HW)

CAN FD Light Bus

CAN FD Light compatible

Other ECU Functions

CAN FD Light compatible

Communication &

Protocol Controller

Status / Control

Data Exchange

L99LDLH32 Datasheet(PDF) 42 Page - STMicroelectronics