IXXBB1 Fujitsu Microelectronics, Inc., IXXBB1 Datasheet - Page 79

• Manufacturer Part Number: IXXBB1
• Description: 32-bit Proprietary Microcontroller Cmos Fr60 Mb91301 Series
• Manufacturer: Fujitsu Microelectronics, Inc.

Block Diagram
SI (Receive data)
From U-TIMER
External clock
SCK
Control signal
Receive status
decision circuit
register
SMR
selection
circuit
Clock
Receive error
signal for DMA
(to DMAC)
MD1
MD0
CS0
SCKE
RX clock
RX control circuit
register
Start bit detect
SCR
Receive parity
Receive bit
RX shifter
counter
counter
circuit
R - bus
SIDR
complete
RX
PEN
P
SBL
CL
A/D
REC
RXE
TXE
TX clock
register
SO (Send data)
SSR
MB91301 Series
TX control circuit
Send parity
TX shifter
TX start
Send bit
counter
counter
circuit
SODR
PE
ORE
FRE
RDRF
TDRE
BDS
RIE
TIE
TX start
SCK (clock)
RX interrupt
TX interrupt
Control
signal
(to CPU)
(to CPU)
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