mc9s08dz32amlfr Freescale Semiconductor, Inc, mc9s08dz32amlfr Datasheet - Page 272

• Manufacturer Part Number: mc9s08dz32amlfr
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 12 Freescale’s Controller Area Network (S08MSCANV1)
Read: Anytime
Write: Anytime; write of ‘1’ clears flag; write of ‘0’ ignored
12.3.13 MSCAN Receive Error Counter (CANRXERR)
This register reflects the status of the MSCAN receive error counter.
Read: Only when in sleep mode (SLPRQ = 1 and SLPAK = 1) or initialization mode (INITRQ = 1 and
INITAK = 1)
Write: Unimplemented
272
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
RXERR7
Reading this register when in any other mode other than sleep or
initialization mode may return an incorrect value. For MCUs with dual
CPUs, this may result in a CPU fault condition.
Writing to this register when in special modes can alter the MSCAN
functionality.
0
0
0
7
7
this bit indicates whether the module has entered the bus-off state. Clearing this bit requests the
Figure 12-17. MSCAN Receive Error Counter (CANRXERR)
Figure 12-16. MSCAN Miscellaneous Register (CANMISC)
RXERR6
= Unimplemented
= Unimplemented
Table 12-19. CANMISC Register Field Descriptions
6
0
0
6
0
MC9S08DZ128 Series Data Sheet, Rev. 1
RXERR5
Section 12.6.2, “Bus-Off
0
0
0
5
5
RXERR4
NOTE
4
0
0
4
0
Description
Recovery,” for details.
RXERR3
0
0
0
3
Section 12.3.2, “MSCAN Control Register 1
3
RXERR2
2
0
0
2
0
RXERR1
Freescale Semiconductor
0
0
0
1
1
BOHOLD
RXERR0
0
0
0
0