adsp-2188m Analog Devices, Inc., adsp-2188m Datasheet - Page 28

• Manufacturer Part Number: adsp-2188m
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

Parameter
Memory Write
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
NOTES
w = wait states x t
xMS = PMS, DMS, CMS, IOMS, BMS.
ADSP-2188M
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WRA
WWR
CK.
Data Setup before WR High
Data Hold after WR High
WR Pulsewidth
WR Low to Data Enabled
A0–A13, xMS Setup before WR Low
Data Disable before WR or RD Low
CLKOUT High to WR Low
A0–A13, xMS, Setup before WR Deasserted
A0–A13, xMS Hold after WR Deasserted
WR High to RD or WR Low
BMS, CMS,
DMS, PMS,
CLKOUT
A0–A13
D0–D23
IOMS
WR
RD
t
CWR
t
ASW
t
WDE
t
AW
t
WP
t
DW
t
WRA
Min
0.5t
0.25t
0.5t
0
0.25t
0.25t
0.25t
0.75t
0.25t
0.5t
t
DH
CK
CK
CK
CK
CK
CK
CK
CK
CK
t
WWR
– 4 + w
– 3 + w
– 3
– 1
– 3
– 3
– 2
– 5 + w
– 1
t
DDR
Max
0.25 t
CK
+ 4
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns