IXXBB1 Fujitsu Microelectronics, Inc., IXXBB1 Datasheet - Page 84

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

84
MB91301 Series
Block Diagram
Access
dress
ad-
request to bus
Read
Write
DMA transfer
controller
DDNO
Read/write
control
DTC two-stage register
Write back
Write back
DDNO register
DSAD two-stage register
BLK register
DDAD
Selector
Selector
Counter
Counter
Buffer
Buffer
two-stage register
DTCR
DMA control
5-channel DMAC block diagram
transition
Status
Priority
circuit
circuit
circuit & request
acknowledge
start trigger
selection
control
DADM, DASZ [7:0] DADR
SDAM, SASZ [7:0] SADR
DMA
TYPE, MOD, WS
ERIR, EDIR
DSS [3:0]
Peripheral start request/
request/Stop input
To interrupt controller
Clear peripheral interrupt
External pin start
Stop input
IRQ
[4:0]
MCLREQ