L99LDLH32 datasheet(41/142 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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41 / 142 page

DS12879 Rev 6

41/142

L99LDLH32

Communication interface

141

6.2.2

Commander

Figure 14

shows the block diagram of the Commander as referred in Figure 13. The

protocol Commander uses a standard CAN FD protocol controller that may be already

implemented in the automotive microcontroller in hardware or software. An additional CAN

FD protocol extension software controls this protocol controller to make it act as CAN FD

Light compatible Commander and implements the Commander side of the CAN FD Light

compatible protocol.

To access the physical interface of the CAN FD network a standard CAN FD transceiver is

used.

Figure 14. Commander block diagram

Rear Light / Bus Commander (ECU)

MCU

CAN FD Light

Protocol Extension

(SW)

CAN FD

Protocol Controller

(HW or SW)

Other Blocks

(HW / SW)

CAN FD

Transceiver

(HW)

Other Transceiver(s)

(HW / SW)

ECU Internal Communic.

CAN FD Light Bus

CAN FD Light compatible

L99LDLH32 Datasheet(PDF) 41 Page - STMicroelectronics