4 protocol violation protection, Figure 19-6 – Freescale Semiconductor MPC5200B User Manual

Page 670

Advertising
background image

Functional Description

MPC5200B Users Guide, Rev. 1

Freescale Semiconductor

19-31

Figure 19-6. 8-bit Maskable Identifier Acceptance Filters

19.7.4

Protocol Violation Protection

The MSCAN protects the user from accidentally violating the CAN protocol through programming errors. The protection logic implements
the following features:

The receive and transmit error counters cannot be written or otherwise manipulated.

CAN 2.0B

Extended Identifier

CAN 2.0A/B

Standard Identifier

AC7

AC0

CIDAR3

AM7

AM0

CIDMR3

ID Accepted (Filter 3 Hit)

AC7

AC0

CIDAR2

AM7

AM0

CIDMR2

ID Accepted (Filter 2 Hit)

AC7

AC0

CIDAR1

AM7

AM0

CIDMR1

ID Accepted (Filter 1 Hit)

ID28

ID21

IDR0

ID10

ID3

IDR0

ID20

ID15

IDR1

ID2

IDE

IDR1

ID14

ID7

IDR2

ID10

ID3

IDR2

ID6

RTR

IDR3

ID10

ID3

IDR3

AC7

AC0

CIDAR0

AM7

AM0

CIDMR0

ID Accepted (Filter 0 Hit)

Advertising