B.2
Functions
Register
acronym
Register
name
Address to which the
register is mapped
Name of
on-chip
supporting
module
TMC—Timer mode register C
H'B4
Timer C
Bit
numbers
Bit
7
TMC7
0
6
TMC6
0
5
4
—
1
3
—
1
2
TMC2
0
1
TMC1
0
0
TMC0
0
Initial bit
values
TMC5
0
Initial value
Read/Write
Names of the
bits. Dashes
(—) indicate
reserved bits.
R/W
R/W
R/W
—
—
R/W
R/W
R/W
Clock select
0
0
1
0
1
0
1
0
1
0
1
0
1
Internal clock: ø/8192
Internal clock: ø/2048
Internal clock: ø/512
Internal clock: ø/64
Internal clock: ø/16
Internal clock: ø/4
Possible types of access
Full name
of bit
R
Read only
Write only
W
1
R/W Read and write
Descriptions
of bit settings
Internal clock: øW/4
External event (TMIC): Rising or falling edge
Counter up/down control
0
0
1
*
TCC is an up-counter
TCC is a down-counter
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.
Auto-reload function select
0
1
Interval timer function selected
Auto-reload function selected
*: Don’t care
417
ETC [ ETC ]
