DS07-16303-3E Datasheet, PDF (40/97 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91121
• Block diagram
Control signals
From U-TIMER
From external clock
SC
Clock select
circuit
SI
(receive data)
Receive clock
Transmit clock
Receive interrupt
(to CPU)
SC (clock)
Transmit interrupt
(to CPU)
Receive control circuit
Start bit detect
circuit
Receive bit counter
Receive parity
counter
Transmit control circuit
Transmit start
circuit
Transmit bit counter
Transmit parity
counter
SO (transmit data)
Receive status
judge circuit
Receive error
generate signal
for DMA
(to DMAC)
Receive shifter
Receive
complete
SIDR
Transmit shifter
Transmit
start
SODR
R-bus
SMR
register
MD1
MD0
CS0
SCKE
SOE
SCR
register
PEN
P
SBL
CL
A/D
REC
RXE
TXE
SSR
register
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
Control signals
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