mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 439

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Read: Always read 0x0000 in normal system operation modes
Write: Unimplemented in normal system operation modes
10.3.2.14 MSCAN Miscellaneous Register (CANMISC)
This register provides additional features.
Read: Anytime
Write: Anytime; write of ‘1’ clears flag; write of ‘0’ ignored
10.3.2.15 MSCAN Receive Error Counter (CANRXERR)
This register reflects the status of the MSCAN receive error counter.
Freescale Semiconductor
BOHOLD
Field
0
Reset:
Reset:
W
W
R
R
Bus-off State Hold Until User Request — If BORM is set in
(CANCTL1),
recovery from bus-off. Refer to
0 Module is not bus-off or recovery has been requested by user in bus-off state
1 Module is bus-off and holds this state until user request
Writing to this register when in special modes can alter the MSCAN
functionality.
0
0
0
0
7
7
this bit indicates whether the module has entered the bus-off state. Clearing this bit requests the
Figure 10-17. MSCAN Miscellaneous Register (CANMISC)
= Unimplemented
= Unimplemented
Table 10-19. CANMISC Register Field Descriptions
0
0
0
0
6
6
Figure 10-16. MSCAN Reserved Register
MC9S12XDP512 Data Sheet, Rev. 2.17
Section 10.5.2, “Bus-Off
0
0
0
0
5
5
Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
NOTE
0
0
0
0
4
4
Description
Recovery,” for details.
3
0
0
3
0
0
Section 10.3.2.2, “MSCAN Control Register 1
0
0
0
0
2
2
0
0
0
0
1
1
BOHOLD
0
0
0
0
0
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