XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 401

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

MC68HC908AZ60A — Rev 2.0
MOTOROLA
NOTE:
The above parameters can be set by programming the bus timing
registers, CBTR0–CBTR1, see
page 414 and
It is the user’s responsibility to make sure that the bit timing settings are
in compliance with the CAN standard,
Table 23-8
and the related parameter values.
SYNC
_SEG
1
MSCAN Controller (MSCAN08)
gives an overview on the CAN conforming segment settings
Transmit point
Sample point
SYNC_SEG
Figure 23-8. Segments within the Bit Time
NRZ SIGNAL
MSCAN08 Bus Timing Register 1
Table 23-3. Time segment syntax
8... 25 TIME QUANTA
= 1 BIT TIME
(PROP_SEG + PHASE_SEG1)
TIME SEGMENT 1
4 ... 16
MSCAN08 Bus Timing Register 0
System expects transitions to occur on the bus
this point. If the three samples per bit option is
A node in receive mode will sample the bus at
selected then this point marks the position of
A node in transmit mode will transfer a new
value to the CAN bus at this point.
MSCAN Controller (MSCAN08)
SAMPLE POINT
(SINGLE OR TRIPLE SAMPLING)
during this period.
the third sample.
(PHASE_SEG2)
on page 415).
TIME SEG. 2
2 ... 8
Technical Data
Clock System
on
401