Fujitsu F2MCTM-16LX Manual de usuario Pagina 256

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CHAPTER 14 16-BIT RELOAD TIMER
14.2 Block Diagram of 16-bit Reload Timer
The 16-bit reload timers 2 and 3 composed of the following seven blocks:
Count clock generator
Reload controller
Output controller
Operation controller
16-bit timer register (TMR)
16-bit reload register (TMRLR)
Timer control status register (TMCSR)
Block Diagram of 16-bit Reload Timer
Figure 14.2-1 Block Diagram of 16-bit Reload Timer
−−
CSL1 CSL0
MOD2 MOD1
OUTLOUTE
RELD INTE
UF
CNTE TRG
MOD0
TMR
TMRLR
TOT
EN
TIN
2
3
3
CLK
CLK
Internal data bus
16-bit reload register
Reload signal
16-bit timer register UF
Reload
control
circuit
Valid clock
judgement
circuit
Prescaler
Gate
input
Machine
clock
φ
Wait signal
Input
control
circuit
Clock
selector
Pin
Function selection
External clock
Output control circuit
Output signal
generating
circuit
Pin
Internal
clock
Operating
control circuit
Select
signal
Timer control status register (TMCSR)
Interrupt request
output
Counter clock generating
circuit
Clear
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