Texas Instruments C28 Series Student Guide

Flash Configuration and Memory Performance
Flash Configuration and Memory Performance
Basic Flash Operation
Basic Flash Operation


Flash is arranged in pages of 2048 bits
Flash is arranged in pages of 2048 bits


Wait states are specified for consecutive accesses
Wait states are specified for consecutive accesses
without a page, and random accesses across pages
without a page, and random accesses across pages


OTP has random access only
OTP has random access only


Must specify the number of SYSCLKOUT wait
Must specify the number of SYSCLKOUT wait
-
-
states
states
Reset defaults are maximum values
Reset defaults are maximum values
FBANKWAIT
FBANKWAIT
@ 0x00 0A86
@ 0x00 0A86
RANDWAIT
RANDWAITreserved
15
15
0
0
4 3
4 3
8 7
8 7
PAGEWAIT
PAGEWAIT
reserved
12 11
12 11
FOTPWAIT
FOTPWAIT
@ 0x00 0A87
@ 0x00 0A87
OTPWAIT
OTPWAITreserved
15
15
0
0
4 3
4 3
*** Refer to the F281x datasheet for detailed numbers ***
*** Refer to the F281x datasheet for detailed numbers ***
For 150 MHz, PAGEWAIT = 5, RANDWAIT = 5, OTPWAIT = 8
For 150 MHz, PAGEWAIT = 5, RANDWAIT = 5, OTPWAIT = 8
For 135 MHz, PAGEWAIT = 4, RANDWAIT = 4, OTPWAIT = 8
For 135 MHz, PAGEWAIT = 4, RANDWAIT = 4, OTPWAIT = 8
16 or 32
16 or 32
dispatched
dispatched
16
16
64
64
Aligned
Aligned
64
64
-
-
bit
bit
fetch
fetch
2
2
-
-
level deep
level deep
fetch buffer
fetch buffer
64
64
C28x Core
C28x Core
decoder unit
decoder unit
Speeding Up Code Execution in Flash:
Speeding Up Code Execution in Flash:
Flash Pipelining (for code fetch only)
Flash Pipelining (for code fetch only)
Flash Pipeline Enable
Flash Pipeline Enable
0 = disable (default)
0 = disable (default)
1 = enable
1 = enable
ENPIPE
ENPIPE
reserved
15
15
0
0
1
1
FOPT @ 0x00 0A80
FOPT @ 0x00 0A80
10 - 10 C28x - System Design

Texas Instruments C28 Series Specifications

General

Brand	Texas Instruments
Model	C28 Series
Category	Computer Hardware
Language	English