TMS320F2809, TMS320F2808, TMS320F2806

TMS320F2802, TMS320F2801, TMS320C2802

TMS320C2801, TMS320F28016, TMS320F28015

SPRS230L –OCTOBER 2003 –REVISED DECEMBER 2009www.ti.com

Table 6-47. Minimum Required Flash/OTP Wait-States at Different Frequencies

SYSCLKOUT

SYSCLKOUT (ns)

FLASH PAGE

FLASH RANDOM

OTP WAIT-STATE

(MHz)

WAIT-STATE

WAIT-STATE (1)

100

10

3

3

5

 

 

 

 

 

75

13.33

2

2

4

 

 

 

 

 

60

16.67

2

2

3

 

 

 

 

 

50

20

1

1

2

 

 

 

 

 

30

33.33

1

1

1

 

 

 

 

 

25

40

0

1

1

 

 

 

 

 

15

66.67

0

1

1

 

 

 

 

 

4

250

0

1

1

 

 

 

 

 

(1)Random wait-state must be greater than or equal to 1.

6.13ROM Timing (C280x only)

Table 6-48. ROM/OTP Access Timing

 

PARAMETER

MIN

TYP

MAX

UNIT

 

 

 

 

 

 

ta(rp)

Paged ROM access time

19

 

 

ns

ta(rr)

Random ROM access time

19

 

 

ns

t

ROM (OTP area) access time (1)

60

 

 

ns

a(ROM)

 

 

 

 

 

(1)In C280x devices, a 1K X 16 ROM block replaces the OTP block found in Flash devices.

Equations to compute the page wait-state and random wait-state in Table 6-49are as follows:

ROM Page Wait-State+ ￿￿

ta(rp)

￿* 1￿(round up to the next highest integer) or 0, whichever is larger

 

 

 

tc(SCO)

 

ROM Random Wait-State+ ￿￿

 

 

ta(rr)

 

￿* 1￿(round up to the next highest integer) or 1, whichever is larger

 

t

c(SCO)

 

 

 

 

 

 

 

 

 

Table 6-49. ROM/ROM (OTP area) Minimum Required

Wait-States at Different Frequencies

SYSCLKOUT

SYSCLKOUT

PAGE

RANDOM

(MHz)

(ns)

WAIT-STATE

WAIT-STATE (1)

100

10

1

1

 

 

 

 

75

13.33

1

1

 

 

 

 

50

20

0

1

 

 

 

 

30

33.33

0

1

 

 

 

 

25

40

0

1

 

 

 

 

15

66.67

0

1

 

 

 

 

4

250

0

1

 

 

 

 

(1)Random wait-state must be greater than or equal to 1.

132

Electrical Specifications

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Texas Instruments TMS320F2806, TMS320F2809 ROM Timing C280x only, ROM/OTP Access Timing, Sysclkout ns, Sysclkout Random