TMS570LS datasheet(90/107 Pages) TI1

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EMIFCS[3:0]

EMIFBADD[1:0]

EMIFR/W

EMIFADD[21:0]

EMIFOE

EMIFD[15:0]

EMIFWE

TMS570LS20206-EP, TMS570LS20216-EP

SPNS209A – JUNE 2012 – REVISED AUGUST 2012

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Table 7-19. EMIF Read/Write Mode Switching Characteristics(1)(2) (continued)

Parameter

Description

MIN

MAX

Unit

th(EMWEH-EMAIV)

Output hold time, EMIFWE high to

(WH +1) * E -

EMIFADD[21:0] invalid

tr(WE) - 5

tr(WE) + 6

tw(EMWEL)

(1)

EMIFWE active low width

(WST +1) * E -

tf(WE) - 1

tf(WE) + 1

tsu(EMDV-ENWEL)

Output setup time, EMIFD[15:0] valid to EMIFWE

(WS +1) * E -

low

trf(DA) + tf(WE) - 6

trf(DA) + tf(WE) +

th(EMWEH-EMDIV)

Output hold time, EMIFD[15:0] valid after

(WH +1) * E -

EMIFWE high

tr(WE) - 5

tr(WE) + 5

(1)

Parameters characterized from -40°C to 125°C only.

7.14.1 Read Timing (Asynchronous RAM)

Figure 7-17. Asynchronous Memory Read Timing for EMIF

Peripheral and Electrical Specifications

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Product Folder Link(s): TMS570LS20206-EP TMS570LS20216-EP

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