B.2 Functions
TMC—Timer mode register C
H'B4
Timer C
Register
name
Address to which the
register is mapped
Name of
on-chip
supporting
module
Register
acronym
Bit
numbers
Initial bit
values
Names of the
bits. Dashes
(—) indicate
reserved bits.
Full name
of bit
Descriptions
of bit settings
Read only
Write only
Read and write
R
W
R/W
Possible types of access
Bit
Initial value
Read/Write
7
TMC7
0
R/W
6
TMC6
0
R/W
5
TMC5
0
R/W
3
—
1
—
0
TMC0
0
R/W
2
TMC2
0
R/W
1
TMC1
0
R/W
4
—
1
—
Clock select
0
Internal clock:
Internal clock:
0 0
1
Internal clock:
Internal clock:
1 0
1
1 0 0
1
1 0
1
Internal clock:
Internal clock:
Internal clock:
External event (TMIC):
ø/8192
ø/2048
ø/512
ø/64
ø/16
ø/4
ø /4
Rising or falling edge
W
Counter up/down control
TCC is an up-counter
TCC is a down-counter
0 0
1
TCC up/down control is determined by input at pin
UD. TCC is a down-counter if the UD input is high,
and an up-counter if the UD input is low.
1
*
Auto-reload function select
Interval timer function selected
*
: Don’t care
Auto-reload function selected
0
1
400