FR65E Fujitsu Microelectronics, Inc., FR65E Datasheet - Page 54

• Manufacturer Part Number: FR65E
• Description: 32-bit Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

54
MB91307B
(3) Block Diagram
SI (receiving data)
From U-TIMER
External clock
SC
Control signal
Receiving status
decision circuit
register
SMR
Clock select
DMA receiving
error signal
(to DMAC)
circuit
MD1
MD0
CS0
SCKE
SOE
RX clock
register
RX control circuit
Receiving shifter
SCR
Receiving parity
Start bit detect
Receiving bit
counter
R - BUS
counter
SIDR
circuit
Receiving
end
PEN
P
SBL
CL
A D
REC
RXE
TXE
TX clock
register
SSR
SO (Sending data)
TX control circuit
Sending shifter
Sending parity
Sending bit
Sent start
counter
counter
SODR
circuit
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
Control signal
Sending
SC (clock)
start
RX interrupt
(to CPU)
TX interrupt
(to CPU)