MB90580C Datasheet, PDF (66/110 Pages) Fujitsu Component Limited. – 16-bit Proprietary Microcontroller

MB90580C Series
(2) Block Diagram
Control
signals
Dedicated baud
rate generator
16 bit reload timer
channel 0 to 2
External clock
SIN0 ∼ SIN4
Clock select
circuit
Receive clock
Transmit clock
Receive interrupt
signal (to CPU)
SCK0 to SCK4
Transmit interrupt
signal (to CPU)
Receive control
circuit
Start bit
detection circuit
Receive bit
counter
Receive parity
counter
Transmit control
circuit
Transmit start
circuit
Transmit bit
counter
Transmit parity
counter
SOT0 to SOT4
Receive condition
decision circuit
Shift register
for reception
Reception error
generation
signal for EI²OS
(to CPU)
Reception
complete
SIDR0 to SIDR4
F²MC-16LX bus
Shift register
for transmission
SODR0 to SODR4
Start
transmission
SMR0 to
SMR4
register
MD1
MD0
CS2
CS1
CS0
SCKE
SOE
PEN
P
SCR0 to
SBL
SCR4
CL
register
A/D
REC
RXE
TXE
SSR0 to
SSR4
register
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
Control signal
66