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R01UH0336EJ0102 Rev.1.02
Page 1046 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 20 CAN Controller (FCN)
Section 20 CAN Controller (FCN)
This product features on-chip CAN (Controller Area Network) controller that
complies with the CAN protocol as standardized in ISO 11898.
This section contains a generic description of the CAN controller (FCN).
The first part describes instances, register base addresses, input/output signal
names, etc.
20.1 FCN Features
Instances
This product has 2 instances of the CAN controller.
Instances index n
Throughout this section, the instance of a CAN controller is identified by the
index “n” (n = 0, 1), for example, FCN0GMCLCTL for the FCN0 control
register.
Message buffers
index m
Throughout this section, the FCN message buffer registers are identified by
“m” (m: 000 to 031), for example FCNnMmDAT4B for FCN instance n,
message data byte 4 of message buffer register m.
Register address
All CAN controller register addresses are given as address offsets to the
individual base address <FCNn_base>.
The <FCNn_base> address of each FCNn is given in Table 20-3.
Table 20-1
Instances of FCN
CAN Controller
Instances
2
Name
FCN0, FCN1
Table 20-2
Message Buffers of FCNn
FCNn Instance
Number m of Message Buffers
FCN0
32
FCN1
32
Table 20-3
Register Base Addresses <FCNn_base>
FCNn Instance
<FCNn_base> Address
FCN0
FF48 0000
H
FCN1
FF4A 0000
H
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