MC9S12G Datasheet, PDF (501/1160 Pages) Freescale Semiconductor, Inc – Ignores external trigger. Performs one conversion sequence and stops.

Freescale’s Scalable Controller Area Network (S12MSCANV3)
16.3.2.13 MSCAN Reserved Register
This register is reserved for factory testing of the MSCAN module and is not available in normal system
operating modes.
Module Base + 0x000C to Module Base + 0x000D
Access: User read/write¹
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset:
0
0
0
0
0
0
0
0
= Unimplemented
Figure 16-16. MSCAN Reserved Register
1 _{Read: Always reads zero in normal system operation modes}
Write: Unimplemented in normal system operation modes
NOTE
Writing to this register when in special system operating modes can alter the
MSCAN functionality.
16.3.2.14 MSCAN Miscellaneous Register (CANMISC)
This register provides additional features.
Module Base + 0x000D
Access: User read/write¹
7
6
5
4
3
2
1
R
0
0
0
0
0
0
0
W
Reset:
0
0
0
0
0
0
0
= Unimplemented
Figure 16-17. MSCAN Miscellaneous Register (CANMISC)
1 _{Read: Anytime}
Write: Anytime; write of ‘1’ clears flag; write of ‘0’ ignored
0
BOHOLD
0
Table 16-21. CANMISC Register Field Descriptions
Field
Description
0
BOHOLD
Bus-off State Hold Until User Request — If BORM is set in MSCAN Control Register 1 (CANCTL1), this bit
indicates whether the module has entered the bus-off state. Clearing this bit requests the recovery from bus-off.
Refer to Section 16.5.2, “Bus-Off Recovery,” for details.
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
MC9S12G Family Reference Manual, Rev.1.01
Freescale Semiconductor
501
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.