XCB56362PV100 Freescale Semiconductor, XCB56362PV100 Datasheet - Page 57

• Manufacturer Part Number: XCB56362PV100
• Description: DSP Floating-Point 24-Bit 100MHz 100MIPS 144-Pin LQFP
• Manufacturer: Freescale Semiconductor

Specifications of XCB56362PV100

• Package: 144LQFP
• Numeric And Arithmetic Format: Floating-Point
• Maximum Speed: 100 MHz
• Ram Size: 33 KB
• Device Million Instructions Per Second: 100 MIPS

Freescale Semiconductor
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The number of wait states for out-of-page access is specified in the DCR.
The refresh period is specified in the DCR.
RD deassertion will always occur after CAS deassertion; therefore, the restricted timing is t
The asynchronous delays specified in the expressions are valid for DSP56362.
Either t
RAS assertion to row address not valid
Column address valid to CAS assertion
CAS assertion to column address not valid
RAS assertion to column address not valid
Column address valid to RAS deassertion
WR deassertion to CAS assertion
CAS deassertion to WR
RAS deassertion to WR
CAS assertion to WR deassertion
RAS assertion to WR deassertion
WR assertion pulse width
WR assertion to RAS deassertion
WR assertion to CAS deassertion
Data valid to CAS assertion (write)
CAS assertion to data not valid (write)
RAS assertion to data not valid (write)
WR assertion to CAS assertion
CAS assertion to RAS assertion (refresh)
RAS deassertion to CAS assertion (refresh)
RD assertion to RAS deassertion
RD assertion to data valid
RD deassertion to data not valid
WR assertion to data active
WR deassertion to data high impedance
RCH
Table 3-14 DRAM Out-of-Page and Refresh Timings, Eight Wait States
or t
RRH
must be satisfied for read cycles.
Characteristics
5
5
assertion
assertion
3
DSP56362 Technical Data, Rev. 4
3
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WCH
WCR
t
WCS
RCH
RRH
RWL
CWL
DHR
ROH
t
RAH
ASC
CAH
t
RCS
t
t
CSR
RPC
t
RAL
WP
AR
DS
DH
GA
GZ
External Memory Expansion Port (Port A)
1.75 × T
0.75 × T
3.25 × T
5.75 × T
1.25 × T
0.25 × T
8.75 × T
7.75 × T
4.75 × T
3.25 × T
5.75 × T
1.75 × T
0.75 × T
5.5 × T
8.5 × T
5.5 × T
1.5 × T
8.5 × T
7.5 × T
Expression
4 × T
2 × T
3 × T
0.25 × T
0.0
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
− 4.0
− 3.8
− 4.2
− 4.2
− 4.5
− 4.3
− 4.0
− 4.0
− 6.5
− 4.0
− 4.0
− 4.0
− 4.0
− 3.7
− 3.0
− 4.3
− 4.3
− 4.0
− 4.0
− 4.0
− 4.0
− 0.3
C
OFF
1, 2
4
and not t
(continued)
101.8
105.1
102.3
17.9
36.6
67.9
46.0
21.2
11.9
33.3
64.6
92.6
55.4
36.6
67.9
64.5
14.8
17.9
Min
5.4
0.1
0.0
9.1
—
—
80 MHz
GZ
.
Max
87.3
3.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3-31