TMS570LS datasheet(79/107 Pages) TI1

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TMS570LS20206-EP, TMS570LS20216-EP

www.ti.com

SPNS209A – JUNE 2012 – REVISED AUGUST 2012

7.8

Flash Timings

Table 7-12. Timing Requirements For Program Flash

MIN

NOM

MAX

Unit

tprog(32-bit)

Full word (32-bit) programming time

300

µs

tprog(Total)

2M-byte programming

-40°C to 125°C

time(1)

0°C to 60°C, for first 25

cycles

tprog ECC(16-bit)

ECC programming time

300

µs

tprog ECC(total)

Total ECC bit

-40°C to 125°C

4.3

programming time (256k-

0°C to 60°C, for first 25

4.3

byte)

cycles

terase(sector)

Sector erase time

-40°C to 125°C

(including compaction)

0°C to 60°C, for first 25

1.5

cycles

terase(bank)

Bank erase time (including Bank 0

7.5

compaction),0°C to 60°C,

Bank 1

5.5

for first 25 cycles

Bank 2

5.5

Bank 3

5.5

twec

Write/erase cycles at TA = -40 to 125°C

(2)

1000

cycles

tret

Data Retention with continuous 150°C (2)

1000

hours

(1)

This programming time includes overhead of state machine, but does not include data transfer time.

(2)

Flash write/erase cycles and data retention specifications are based on a validated implementation of the TI flash API. Non-TI flash API

implementation is not supported. For detailed description see the F035 Flash Validation Procedure (SPNA127). The flash memory cells

are qualified for data retention greater than 1000 hours at 150°C. Data retention at reduced temperatures can be estimated based on an

Arrhenius model with activation energy of 1 eV.

Peripheral and Electrical Specifications

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