µ
PD754144, 754244
23
Data Sheet U10040EJ2V1DS
7.4 Timer Counter
The
µ
PD754244 incorporates three channels of timer counters. Its configuration is shown in Figures 7-4 to
7-6.
The timer counter has the following functions.
(a) Programmable interval timer operation
(b) Square wave output of any frequency to PTO0-PTO2 pins
(c) Count value read function
The timer counter can operate in the following four modes as set by the mode register.
Table 7-2. Mode List
Mode
Channel
Channel 0 Channel 1 Channel 2
TM11
TM10
TM21
TM20
8-bit timer counter mode
0
0
0
0
PWM pulse generator mode
×
×
0
0
0
1
16-bit timer counter mode
×
1
0
1
0
Carrier generator mode
×
0
0
1
1
Remark
:
Available
×
:
Not available
*