tmp89fh42l TOSHIBA Semiconductor CORPORATION, tmp89fh42l Datasheet - Page 184

• Manufacturer Part Number: tmp89fh42l
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

13.4
Timer Function
RB002
TA0CR<TA0S>
TA0MOD<TA0TFF>
Source clock
Counter
Write to TA0DRAL, H
Write to TA0DRBL, H
TA0DRAL, H
TA0DRBL, H
PPG0 pin output
INTTCA interrupt request
TA0CR<TA0S>
TA0MOD<TA0TFF>
Source clock
Counter
Write to TA0DRAL, H
Write to TA0DRBL, H
TA0DRAL, H
TA0DRBL, H
PPG0 pin output
INTTCA interrupt request
Write n
Write n
Becomes the level set at TA0TFF
when the timer is stopped
Becomes the level set at TA0TFF
when the timer is stopped
Write m
Write m
m
m
n
n
Timer start
Timer start
0
0
Match detection
(Duty pulse)
(Duty pulse)
Figure 13-9 PPG Mode Timing Chart
Match detection
1
1
m
m
2
2
n (1 cycle)
n (1 cycle)
Double buffer (TA0MOD<TA0DBE>=”1”)
Continuous (TA0CR<TA0MPPG>=”0”)
One-shot (TA0CR<TA0MPPG>=”1”)
Match detection
m
m
Write s
Match detection
Write r
m+1
m+1
Page 170
n
n
0
Counter
clear
0
Counter
clear
s
r
Timer stops
automatically
(Duty pulse)
Reflected by an
interrupt request
Match detection
1
Returns to the level
set at TA0TFF
r
2
s (1 cycle)
Match detection
r
r+1
s
(Duty pulse)
0
Match detection
Counter
clear
1
r
Timer stop
r
TMP89FH42L
Returns to the level
set at TA0TFF
r+1
0