Overview Of The U-Timer - Fujitsu FR60 Hardware Manual

6.2.1

Overview of the U-TIMER

The MB91F355A/355A/354A/F356B/F357B have five built-in U-TIMER channels.
The MB91F353A/351A/352A/353A have four built-in U-TIMER channels.
■ U-TIMER Registers
The U-TIMER registers are shown below.
15
■ Block Diagram of the U-TIMER
Figure 6.2-1 shows the block diagram of the U-TIMER.
(Peripheral Clock)
8 7
UTIM
UTIMR
Figure 6.2-1 Block Diagram of the U-TIMER
15
UTIMR (reload register)
15
UTIM (timer)
clock
0
(R)
(W)
UTIMC (R/W)
0
load
0
underflow
f.f.
control
to UART
269