MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 38

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

38
MB90650A Series
(2) Block Diagram
Dedicated baud rate generator
16-bit timer 0
(Connected internally)
External clock
SIN0
Control signals
determination circuit
Reception status
register
SMR
Clock select
circuit
Reception error
occurrence signal
for I
(to CPU)
2
OS
MD1
MD0
CS2
CS1
CS0
SCKE
SOE
Reception clock
pulses
register
Reception control
Start bit detection
Reception parity
Reception shifter
SCR
Reception bit
Internal data bus
counter
counter
circuit
circuit
SIDR
End of
reception
PEN
P
SBL
CL
A/D
REC
RXE
TXE
Transmission clock
pulses
register
SSR
Transmission control
Transmission parity
Transmission start
Transmission shifter
Transmission bit
SOT0, SOT1
counter
counter
SODR
circuit
circuit
Start of
transmission
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
Reception interrupt
(to CPU)
Control signals
SCK0, SCK1
Transmission interrupt
(to CPU)