Datasheet

Table Of Contents
Section 11 Timer C
Rev. 2.00 Jul. 04, 2007 Page 229 of 692
REJ09B0309-0200
11.3.1 Timer Mode Register C (TMC)
TMC is an 8-bit read/write register for selecting the auto-reload function and input clock, and
performing up/down-counter control.
Upon reset, TMC is initialized to H'10.
Bit Bit Name
Initial
Value
R/W Description
7 TMC7 0 R/W Auto-Reload Function Select
Selects whether timer C is used as an interval timer or
auto-reload timer.
0: Interval timer function
1: Auto-reload function
6
5
TMC6
TMC5
0
0
R/W
R/W
Counter Up/Down Control
Specifies whether TCC functions as an up-counter or
down-counter, or whether selection of counting up or
down is controlled by the input signal level on the UD pin.
00: TCC is an up-counter
01: TCC is a down-counter
1x: Selection through the signal level on the UD pin
UD pin input high: Down-counter
UD pin input low: Up-counter
4 1 — Reserved
This bit is always read as 1 and cannot be modified.