Fujitsu FR81S User Manual
CHAPTER 20: RELOAD TIMER
1. Overview
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : RELOAD TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
FUJITSU SEMICONDUCTOR CONFIDENTIAL
3
1. Overview
This section explains the overview of the reload timer.
This module is a 16-bit reload down count timer with the interval timer mode, which counts the internal
clock, and the event counter mode, which counts external events.
clock, and the event counter mode, which counts external events.
Figure 1-1 Block Diagram of Reload Timer (1 Channel, Overview)
Prescaler
TOUT external pin
Peripheral clock
(PCLK)
(PCLK)
Cascading from previous
reload timer
reload timer
Interrupt
Cascading to next
reload timer
reload timer
Counter
&
Control unit
TTRG external pin
TIN external pin
MB91520 Series
MN705-00010-1v0-E
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