TMS320F2810 Datasheet, PDF (159/172 Pages) Texas Instruments – Digital Signal Processors

TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
www.ti.com
SPRS174T – APRIL 2001 – REVISED MAY 2012
6.33 ROM Timing (C281x only)
Table 6-65. ROM Access Timing
PARAMETER
t_a(rp)
t_a(rr)
t_a(ROM)
Paged ROM access time
Random ROM access time
ROM (OTP area) access time⁽¹⁾
(1) In C281x devices, a 1K × 16 ROM block replaces the OTP block found in Flash devices.
MIN MAX UNIT
23
ns
23
ns
60
ns
Table 6-66. Minimum Required ROM Wait States at Different Frequencies (C281x devices)
SYSCLKOUT (MHz)
SYSCLKOUT (ns)
PAGE WAIT STATE⁽¹⁾
RANDOM WAIT STATE^{(1) (2)}
150
6.67
3
3
120
8.33
2
2
100
10
2
2
75
13.33
1
1
50
20
1
1
30
33.33
0
1
25
40
0
1
15
66.67
0
1
4
250
0
1
(1) Formulas to compute page wait state and random wait state:
ROM
Page
Wait
State
=
éæ
êêëççè
ta(rp)
tc(SCO)
ö
÷
÷
ø
ù
- 1ú
úû
(round up to the next highest integer, or 0, whichever is larger)
ROM
Random
Wait
State
=
éæ
êêëççè
ta(rr)
tc(SCO)
ö
÷
÷
ø
ù
- 1ú
úû
(round up to the next highest integer, or 1, whichever is larger)
(2) Random wait state must be greater than or equal to 1.
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Electrical Specifications 159
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