adsp-21161n Analog Devices, Inc., adsp-21161n Datasheet - Page 38

• Manufacturer Part Number: adsp-21161n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

ADSP-21161N
INTERNAL MEMORY AND EXTERNAL DEVICE
EXTERNAL MEMORY
TRANSFERS BETWEEN ADSP-21161N
CLKIN
DMARx
DMAGx
TRANSFERS BETWEEN EXTERNAL DEVICE AND
WR
RD
ADDRESS
DATA
DATA
MSx
(FROM EXTERNAL DRIVE TO ADSP-21161N)
(EXTERNAL DEVICE TO EXTERNAL MEMORY)
(FROM ADSP-2116x TO EXTERNAL DRIVE)
(EXTERNAL MEMORY TO EXTERNAL DEVICE)
1
MEMORY READ BUS MASTER, MEMORY WRITE BUS MASTER, OR SYNCHRONOUS READ/WRITE BUS MASTER
1
(EXTERNAL HANDSHAKE MODE)
TIMING SPECIFICATIONS FOR ADDR23–0, RD, WR, MS3-0 AND ACK ALSO APPLY HERE.
t
SDRC
t
WDR
t
DGWRL
Figure 28. DMA Handshake
t
DDGL
–38–
t
DMARLL
t
DGRDL
t
DADGH
t
SDATDGL
t
DGWRH
t
DRDGH
t
DATDRH
t
WDGL
t
SDRC
t
DMARH
t
t
HDGC
VDATDGH
t
DGWRR
t
DGRDR
t
t
DGWR
WDGH
t
DDGHA
t
t
DATRDGH
HDATIDG
REV. A