Fujitsu mb91192 Manuel D’Utilisation

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10.5
Overview of 8-/16-bit Timer/Counter
3 internal and 1 external clock input can be selected. 
Feature of 8-/16-bit Timer/Counter
3 internal and 1 external clock input can be selected. 
Usable as an 8-bit timer/counter and 8-bit timer under 8-bit 2ch mode. 
Usable as 16-bit timer/counter under 16-bit mode. 
Square wave output function 
Block Diagram of 8-/16-bit Timer/Counter 
Figure 10.5-1  Block diagram of 8-/16-bit Timer/Counter
TSTR1 TCS10 TCS11 TCS12
TIE1
TFCR1 TIF1
TxCR1
TxCR0 TSTR0 TCS00 TCS01 TCS02
CINV
TIE0
TFCR0
TIF0
R  S
IRQxx
I-unit
TxO0
Unused
CK00
CK02
EC5
8bit Counter Low
Count Data Reg Low
8bit Counter Hi
Data Register Hi
Data Register Low
Count Data Reg Hi
TxCD0
TxDR0
TxCD1
TxDR1
TSTR0
/TSTR1
TxO1
(T5O1)
CK10
CK12
IRQxx
(I-unit)
8bit Mode
M
P
X
M
P
X
(from FRC)
(from FRC)
TSTR0
DQ
QX
CK
CLR
LOAD 
Comparate data latch
LOAD 
Comparate data latch
EQ
EQ
CK
CLR
DQ
QX
R  S
Comparator 
Low
Comparator 
Hi