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Lucent Technologies MN102F75K User Manual

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Timers
8-Bit Timer Features
Panasonic  Semiconductor  Development  Company
MN102H75K/F75K/85K/F85K LSI User Manual
78
Panasonic
4.2
8-Bit Timer Features
Table 4-1 8-Bit Timer Functions and Features
Function/Feature
Timer 0
Timer 1
Timer 2
Timer 3
Interrupt request flag(s)
TM0UDICL register
(TM0UDIR bit)
TM1UDICL register
(TM1UDIR bit)
TM2UDICL register
(TM2UDIR bit)
TM3UDICL register
(TM3UDIR bit)
Interrupt source(s)
Timer 0 underflow
Timer 1 underflow
Timer 2 underflow
Timer 3 underflow
Interval timer function
—
✔
✔
✔
Event counter function
✔
✔
—
—
Clock source for 16-bit timer
✔
✔
—
—
Timer output function
✔
(TM0O signal)
✔
(TM1O signal)
—
—
Serial interface transfer clock 
source
✔
✔
—
—
A/D conversion trigger function
—
✔
—
—
Clock sources
0
B
OSC
/4
B
OSC
/4
B
OSC
/4
B
OSC
/4
1
B
OSC
/64
B
OSC
/64
B
OSC
/256
B
OSC
/256
2
B
OSC
/512
Cascade connection
Cascade connection
Cascade connection
3
TM0I signal
TM1I signal
B
OSC
/512
B
OSC
/512
Cascade connection
✔
✔
✔
Note:
When B
OSC
 = 24 MHz:
B
OSC
/4 = 6 MHz
B
OSC
/64 = 375 kHz
B
OSC
/256 = 93.75 kHz
B
OSC
/512 = 48.875 kHz.