tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 204

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

14. 8-bit Timer Counter (TC0)
RA002
T001CR<T01RUN>
T01MOD<DBE1>
Source clock
Counter
Write to T00REG
Write to T01REG
T01+00REG
INTT01 interrupt
request
T001CR<T01RUN>
T01MOD<DBE1>
Source clock
Counter
Write to T00REG
Write to T01REG
Double buffer
T01+00REG
INTT01 interrupt
request
Figure 14-11 16-bit Timer Counter Timing Chart
Write m
Write m
km
km
Write k
Reflected simultaneously by
writing to T01REG while the timer
is stopped
Write k
km
Reflected by writing to T01REG
0
0
Timer start
Timer start
1
1
When the double buffer is disabled (T01MOD<DBE1>=”0”)
When the double buffer is enabled (T01MOD<DBE1>=”1”)
2
2
3
3
Match detection
Match detection
4
4
Page 190
km-1
km-1
km
km
0
0
Counter clear
Counter clear
1
1
2
2
Write r
3
3
Write r
Write s
Match detection
sr
Match detection
Reflected by writing to T01REG
Write s
sr
Reflected by writing to T01REG
km-1
sr-1
km
sr
0
0
Reflected by
an interrupt
sr
Counter clear
1
1
Counter clear
Match detection
2
Timer stop
0
sr-1
TMP89FM42
sr
0
1