TMS320F28030_17 Datasheet, PDF (39/161 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F28030, TMS320F28031, TMS320F28032
TMS320F28033, TMS320F28034, TMS320F28035
SPRS584K – APRIL 2009 – REVISED JUNE 2016
t_retention
Table 5-16. Flash Data Retention Duration
PARAMETER
Data retention duration
TEST CONDITIONS
T_J = 55°C
MIN MAX UNIT
15
years
Table 5-17. Minimum Required Flash/OTP Wait-States at Different Frequencies
SYSCLKOUT
(MHz)
SYSCLKOUT
(ns)
60
16.67
55
18.18
50
20
45
22.22
40
25
35
28.57
30
33.33
25
40
(1) Random wait-state must be ≥ 1.
PAGE
WAIT-STATE ⁽¹⁾
2
2
1
1
1
1
1
0
RANDOM
WAIT-STATE ⁽¹⁾
2
2
1
1
1
1
1
1
OTP
WAIT-STATE
3
3
2
2
2
2
1
1
The equations to compute the Flash page wait-state and random wait-state in Table 5-17 are as follows:
Flash
Page
Wait
State
=
êêëéççèæ
t a(f ·p)
t c(SCO)
÷ö
÷ø
ù
- 1ú
úû
round up to the next highest integer
Flash Random Wait
State
=
êêëéççèæ
t
t a(f ×r)
c(SCO)
÷ö
÷ø
-
ù
1ú
úû
round up to the next highest integer, or 1, whichever is larger
The equation to compute the OTP wait-state in Table 5-17 is as follows:
OTP Wait
State
=
êêëéççèæ
t
t
a(OTP)
c(SCO)
÷ö
÷ø
-
ù
1ú
úû
round up to the next highest integer, or 1, whichever is larger
Copyright © 2009–2016, Texas Instruments Incorporated
Specifications
39
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