Texas Instruments C28 Series Student Guide

Flash Configuration and Memory Performance
Data Access Performance
Data Access Performance
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
Assume 150 MHz SYSCLKOUT (CPU clock)
Assume 150 MHz SYSCLKOUT (CPU clock)
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
External RAM can outperform the flash on 16
External RAM can outperform the flash on 16
-
-
bit data reads
bit data reads
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
Flash performance usually sufficient for most constants and tabl
Flash performance usually sufficient for most constants and tabl
es
es
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
For cost and power savings, and ease
For cost and power savings, and ease
-
-
of
of
-
-
design, use internal RAM
design, use internal RAM
for time
for time
-
-
critical constants before adding external memory to your
critical constants before adding external memory to your
system
system
Memory
Memory
16
16
-
-
bit access
bit access
32
32
-
-
bit access
bit access
Notes
Notes
(words/cycle)
(words/cycle)
(words/cycle)
(words/cycle)
Internal RAM
Internal RAM
1
1
1
1
Flash
Flash
0.167
0.167
0.167
0.167
Ext. SRAM
Ext. SRAM
0.33
0.33
0.167
0.167
(10ns)
(10ns)
RANDWAIT = 5
RANDWAIT = 5
Flash is read only!
Flash is read only!
XRDLEAD = 1,
XRDLEAD = 1,
XRDACTIVE = 2,
XRDACTIVE = 2,
XRDTRAIL = 0
XRDTRAIL = 0
10 - 12 C28x - System Design

Texas Instruments C28 Series Specifications

General

Brand	Texas Instruments
Model	C28 Series
Category	Computer Hardware
Language	English