UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 394

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

11.6 EXAMPLE OF USE
Operation as interval timer:
Figure 11-9). TM3 can also be used for baud rate generation.
maximum resolution of 81.9 s (internal system clock f
354
TM3 operates as an interval timer that generates interrupts repeatedly with the pre-set count time as the interval (see
This interval timer can count up to a maximum of 21.0 ms at the minimum resolution of 0.32 s, and up to 5.37 s at the
The control register settings are shown in Figure 11-10, and the setting procedure in Figure 11-11.
Remark Interval = (n+1)
Compare Register
Interrupt Request
TM3
Count Value
INTC30
(CR30)
x = 8, 16, 32, 64, 128, 256, 512, 1024, 2048
0H
x/f
Count Start
XX
Figure 11-9 Interval Timer Operation Timing
, 0
n
FFH
Interval
CHAPTER 11 TIMER 3
XX
= 25 MHz).
Clear
n
n
Interrupt Acknowledgment
Interval
Clear
n
Interrupt Acknowledgment