MB90F455 Datasheet, PDF (37/78 Pages) Fujitsu Component Limited. – 16-bit Proprietary Microcontroller

MB90455 Series
• 16-bit reload timer block diagram
Internal data bus
TMRLR
16-bit reload register
TMR
16-bit timer register UF
Reload signal
Reload
control
circuit
Count clock generation
circuit
Machine
clock
φ
Prescaler ³
Clear
CLK
Gate
input
Valid
clock
decision
circuit
Internal
CLK
Pin
TIN
Input
control
circuit
clock
Clock
selector
External clock _Select
3
2 ^signal
Select function
Wait signal
Output control
circuit
Output signal
generation
circuit
Output to internal
peripheral
functions
Pin
EN
TOT
Operation control
circuit generation
circuit
CSL1 CSL0 MOD2 MOD1 MOD0 OUTE OUTL RELD INTE UF CNTE TRG
Timer control status register (TMCSR)
Interrupt request
output
37