ds96-039wdsp ETC-unknow, ds96-039wdsp Datasheet - Page 97

• Manufacturer Part Number: ds96-039wdsp
• Description: Clarification Serial Control Register Description Dsp1620/27/28/29 Devices
• Manufacturer: ETC-unknow

DSP1628 Digital Signal Processor
10 Timing Characteristics for 2.7 V Operation
* W = number of wait-states.
Table 82. Timing Characteristics for External Memory Data Write (All Enables)
95
Abbreviated
Reference
ERAMLO
EROM
RWN
t131
t132
t133
t134
t135
t136
CKO
AB
DB
V
V
V
V
V
V
V
V
V
V
V
V
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
Write Overlap (enable low to 3-state)
RWN Advance (RWN high to enable high)
RWN Delay (enable low to RWN low)
Write Data Setup (data valid to RWN high)
RWN Width (low to high)
Write Address Setup (address valid to RWN
low)
Figure 20. External Memory Data Write Timing Diagram
t133
t136
(MWAIT = 0x1002)
Parameter
WRITE ADDRESS
W* = 2
t135
t134
WRITE DATA
t132
T(1 + W)/2 – 4
T(1 + W) – 5
(continued)
Min
—
0
0
0
19.2 ns
t131
W* = 1
Max
—
—
—
—
—
0
READ ADDRESS
T(1 + W)/2 – 3
T(1 + W) – 4
Lucent Technologies Inc.
Min
—
0
0
0
READ
12.5 ns
February 1997
Max
—
—
—
—
—
0
5-4022 (C).a
Unit
ns
ns
ns
ns
ns
ns