dsp56362 Freescale Semiconductor, Inc, dsp56362 Datasheet - Page 41

• Manufacturer Part Number: dsp56362
• Description: Dsp56362 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
No.
104 Address and AA valid to input data valid
105 RD assertion to input data valid
106 RD deassertion to data not valid (data hold
107 Address valid to WR deassertion
108 Data valid to WR deassertion (data setup
109 Data hold time from WR deassertion
110 WR assertion to data active
111 WR deassertion to data high impedance
time)
time)
Table 3-8 SRAM Read and Write Accesses 100 and 120 MHz
Characteristics
4
3
DSP56362 Technical Data, Rev. 4
4
t
Symbol
DS
t
AA
t
t
t
OHZ
t
AW
OE
DH
, t
(t
DW
AC
)
(WS + 0.75) × T
(WS + 0.25) × T
(WS + 0.75) × T
(WS − 0.25) × T
−0.25 × T
0.25 × T
1.25 × T
2.25 × T
0.25 × T
1.25 × T
2.25 × T
0.75 × T
0.25 × T
Expression
[1 ≤ WS ≤ 3]
[4 ≤ WS ≤ 7]
[2 ≤ WS ≤ 3]
[1 ≤ WS ≤ 3]
[4 ≤ WS ≤ 7]
100 MHz:
100 MHz:
100 MHz:
100 MHz:
[WS ≥ 1]
[WS ≥ 1]
[WS ≥ 1]
[WS ≥ 1]
[WS ≥ 8]
[WS = 1]
[WS ≥ 4]
[WS ≥ 8]
C
C
C
C
C
C
C
C
C
+ 0.2
+ 0.2
+ 0.2
− 2.0
− 2.0
− 2.0
− 3.7
− 3.7
− 3.7
External Memory Expansion Port (Port A)
C
C
C
C
2
− 7.0
− 7.0
− 4.0
− 3.0
1
13.5
10.5
20.5
Min
0.0
4.5
0.5
—
—
—
—
—
—
—
—
100 MHz
(continued)
Max
10.5
5.5
—
—
—
—
—
—
—
—
—
—
—
—
10.6
16.7
Min
0.0
3.2
0.1
8.4
2.5
0.0
0.0
—
—
—
—
120 MHz
Max
10.6
18.9
7.6
3.4
2.3
—
—
—
—
—
—
—
—
—
Unit
3-15
ns
ns
ns
ns
ns
ns
ns
ns