tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 195

• Manufacturer Part Number: tmp89ch42
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA005
Figure 14-3 Operation When T00REG and the Up Counter Have the Same Value
T001CR<T00RUN>
T00MOD<DBE0>
Source clock
Counter
Write to T00REG
T00REG
INTTC00 interrupt request
T001CR<T00RUN>
T00MOD<DBE0>
Source clock
Counter
Write to T00REG
Double buffer
T00REG
INTTC00 interrupt request
T00MOD<DBE0>
Source clock
Counter
Write to T00REG
T00REG
INTTC00 interrupt request
Write m
Write m
m
m
m
Reflected by writing to T00REG
Reflected at the same time
as data is written into T00REG
while the timer is stopped
Figure 14-2 Timer Mode Timing Chart
0
0
Timer start
Timer start
n-5
n
1
1
When the double buffer is disabled (T00MOD<DBE0>=”0”)
When the double buffer is enabled (T00MOD<DBE0>=”1”)
2
2
n-4
3
3
Match detection
Match detection
4
4
Page 181
Match detection
n-3
m-1
m-1
Write n-2
m
m
0
0
Counter clear
Counter clear
n-2
1
1
2
2
Counter clear
n-2
Match detection
0
3
3
Write n
Match detection
Write n
n
n
Reflected by writing to T00REG
m-1
n-1
1
m
n
0
0
Reflected by
an interrupt
Counter clear
n
Match detection
1
1
Counter clear
2
2
Timer stop
0
n-1
TMP89CH42
n
0
1