Lucent Technologies MN10285K - Manual (Page 79)

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.