mb91307r Fujitsu Microelectronics, Inc., mb91307r Datasheet - Page 67

• Manufacturer Part Number: mb91307r
• Description: 32-bit Microcontroller Cmos Fr60 Mb91307 Series
• Manufacturer: Fujitsu Microelectronics, Inc.

(3) Block Diagram
controller
To bus
address
Access
DMA transfer request to
Read
Write
bus controller
DDNO
Read/write
control
Write back
Write back
DTC two-stage register
DDNO register
BLK register
DDAD two-stage register
DDAD two-stage register
Selector
Selector
Counter
Counter
Buffer
Buffer
DTCR
DMA controller
DMAC 5-channel Block Diagram
transition
Status
Priority
circuit
circuit
source selection
circuit & request
SDAM, SASZ7 to SASZ0 SADR
DADM, DASZ7 to DASZ0 DADR
acceptance
DMA start
control
TYPE, MOD, WS
DSS3 to DSS0
ERIR, EDIR
External pin start request/stop
MB91307 Series
Peripheral start request/stop
Peripheral interrupt clear
To interrupt controller
input
input
IRQ4 to
IRQ0
MCLREQ
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