mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 331

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC912DG128 — Rev 3.0
MOTOROLA
NOTE:
The above parameters can be set by programming the bus timing
registers (CBTR0–1, see
msCAN12 Bus Timing Register 1
It is the user’s responsibility to make sure that his bit time settings are in
compliance with the CAN standard.
the CAN conforming segment settings and the related parameter values.
Time Segment 1
Figure 17-9. CAN Standard Compliant Bit Time Segment Settings
Freescale Semiconductor, Inc.
5 .. 10
4 .. 11
5 .. 12
6 .. 13
7 .. 14
8 .. 15
9 .. 16
For More Information On This Product,
Transmit point
SYNC
_SEG
1
Go to: www.freescale.com
Figure 17-8. Segments within the Bit Time
NRZ Signal
MSCAN Controller
TSEG1
3 .. 10
4 .. 11
5 .. 12
6 .. 13
7 .. 14
8 .. 15
4 .. 9
(PROP_SEG + PHASE_SEG1)
8... 25 Time Quanta
= 1 Bit Time
msCAN12 Bus Timing Register 0 (CBTR0)
Time Segment 2
Time segment 1
4 ... 16
2
3
4
5
6
7
8
(CBTR1)).
Figure 17-9
TSEG2
1
2
3
4
5
6
7
gives an overview on
Sample point
(single or triple sampling)
(PHASE_SEG2)
Jump Width
Time Seg. 2
Synchron.
1 .. 2
1 .. 3
1 .. 4
1 .. 4
1 .. 4
1 .. 4
1 .. 4
2 ... 8
MSCAN Controller
Technical Data
Clock System
SJW
0 .. 1
0 .. 2
0 .. 3
0 .. 3
0 .. 3
0 .. 3
0 .. 3
and
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