AM53CF94JCW AMD [Advanced Micro Devices], AM53CF94JCW Datasheet - Page 4

• Manufacturer Part Number: AM53CF94JCW
• Description: Enhanced SCSI-2 Controller (ESC)
• Manufacturer: AMD [Advanced Micro Devices]

SYSTEM BUS MODE DIAGRAMS
4
AMD
V
V
DD
DD
BUSMD 1
BUSMD 0
BUSMD 1
BUSMD 0
Am53CF94/96
Am53CF94/96
Dual Bus Architecture: 16-Bit DMA with Byte Control,
DMA 15–0
DMA 15–0
DMAWR
DMARD
8-Bit Multiplexed Processor Address Data
AD 7–0
DMAWR
DREQ
DACK
AD 7–0
DREQ
DACK
BHE
AS0
A 3–0
ALE
WR
RD
WR
Dual Bus Architecture: 16-Bit DMA,
RD
Am53CF94/Am53CF96
P R E L I M I N A R Y
16-Bit Data Bus
8-Bit Processor
8-Bit Data Bus
Bus Mode 2
16-Bit Data Bus
8-Bit Data Bus
Bus Mode 3
Address Bus
Processor
Controller
Processor
Controller
DMA
Host
Host
DMA
17348B-6
17348B-5