MB86605 Fujitsu Microelectronics, Inc., MB86605 Datasheet - Page 13

• Manufacturer Part Number: MB86605
• Description: CMOS-wide Scsi-ii Protocol Controller With Pci Interface
• Manufacturer: Fujitsu Microelectronics, Inc.

1. 16-Bit Bus Mode
DBOE15 to 8,
BLOCK DIAGRAM
DBOE7 to 0,
DB15 to 8,
DB7 to 0,
UDBOEP
LDBOEP
S/DSEL
BSYOE
RSTOE
SELOE
TARG
UDBP
LDBP
MSG
REQ
ACK
ATN
BSY
RST
SEL
INIT
C/D
I/O
1
2
3
4
Controller
Controller
Transfer
Phase
Timer
Internal
Processor
9
Data
Register
(64 Bytes)
(512 Bytes)
MPU Interface
5
6
7
8
Receive
MSG, CMD,
Status Buffer
Send
MSG, CMD,
Status Buffer
User
Program
Memory
(2048 Bytes)
(32 Bytes)
(32 Bytes)
Various
Registers
DREQ
DACK
DMBHE (DMUDS)
DMA0
DMD15 to 8, UDMAP
DMD7 to 0, LDMDP
IOWR (DMLDS)
IORD (DMR/W)
TP
MB86605
13