TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-166 V2.0, 2007-07
MultiCAN, V2.0
GMR
Global Mark Register (29C
H
) Reset Value: 0000 0000
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
GM
rh
1514131211109876543210
GMFR 0
rh r
Field Bits Type Description
GMFR [15:9] rh Global Mark Fraction
This bit field contains the fractional part of the global
mark.
GM [31:16] rh Global Mark
This bit field contains the integer part of the global
mark.
Time master (transmitting reference messages):
The sum of the local offset and the local time is
stored as global time (Global_Sync_Mark) in register
GMR at the beginning of the reference message.
Not time master (receiving reference messages):
The global time information in GMR is received as
Global_Ref_Mark by reference message.
0 [8:0] r Reserved
Read as 0; should be written with 0.
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