upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 642

Manufacturer Part Number

upd70f3422gj-gae-qs-ax

32-bit Single-chip Microcontroller

Manufacturer

Renesas Electronics Corporation.

19.1.2 Configuration

The CAN Controller is composed of the following four blocks.

• NPB interface

• MAC (Memory Access Controller)

• CAN protocol layer

Block diagram of CAN module

Preliminary User’s Manual U17566EE1V2UM00

This functional block provides an NPB (NEC Peripheral I/O Bus) interface

and means of transmitting and receiving signals between the CAN module

and the host CPU.

This functional block controls access to the CAN protocol layer and to the

CAN RAM within the CAN module.

This functional block is involved in the operation of the CAN protocol and its

related settings.

This is the CAN memory functional block, which is used to store message

IDs, message data, etc.

(Memory Access Controller)

(NEC peripheral bus)

CAN Controller (CAN)