mb91101 Fujitsu Microelectronics, Inc., mb91101 Datasheet - Page 41

• Manufacturer Part Number: mb91101
• Description: 32-bit Risc Microcontroller Cmos
• Manufacturer: Fujitsu Microelectronics, Inc.

Block diagram
From U-TIMER
From external clock
SC
SI
(receive data)
Control signals
SMR
register
Receive status
judge circuit
Clock select
circuit
Receive error
generate signal
for DMA
(to DMAC)
MD1
MD0
CS0
SCKE
SOE
Receive clock
Receive control circuit
Receive bit counter
SCR
register
Receive shifter
Start bit detect
Receive parity
counter
circuit
SIDR
R-bus
Receive
complete
PEN
P
SBL
CL
A/D
REC
RXE
TXE
Transmit clock
MB91101/MB91101A
SSR
register
SO (transmit data)
Transmit control circuit
Transmit bit counter
Transmit shifter
Transmit parity
Transmit start
counter
SODR
circuit
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
Transmit
start
Receive interrupt
(to CPU)
SC (clock)
Transmit interrupt
(to CPU)
Control signals
41