MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 60

• Manufacturer Part Number: MB90F654A
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

60
MB90650A Series
(2) Block Diagram
Timebase
Timer
interrupt
interrupt
WDTC
WDCS
WDTC
WRST
WTC1
WTC0
WTOF
PONR
ERST
SRST
TBTC
TBC1
TBC0
TBOF
WTIE
WTC
WTR
TBIE
WT1
WT0
WTE
SCE
TBR
Q
AND
S
R
AND
AND
Q
Q
Selector
Selector
Selector
S
R
S
R
2
2-bit counter
2
2
2
2
2
2
2
CLR
WTRES
TBTRES
10
13
14
15
12
14
16
19
OF
2
10
Timebase timer
Watch timer
2
13
2
12
Clock input
Clock input
Watchdog reset
2
CLR
14
2
generator
14
2
15
2
16
2
19
Main clock
WDGRST
To internal reset
generator
SCM
Sub clock
From power-on generation
RST pin
From RST bit in
the STBYC register
Power-on reset
sub clock stops