Datasheet

EMIFCS[3:0]
EMIFBADD[1:0]
EMIFR/W
EMIFADD[21:0]
EMIFOE
EMIFD[15:0]
EMIFWE
2
1
3
5
7
9
8
6
4
11
10
TMS570LS20216, TMS570LS20206, TMS570LS10216
TMS570LS10206, TMS570LS10116, TMS570LS10106
SPNS141F–AUGUST 2010– REVISED JULY 2011 www.ti.com
Table 7-19. EMIF Read/Write Mode Switching Characteristics
(1)(2)
(continued)
NO Parameter Description MIN MAX Unit
18 t
h(EMWEH-EMAIV)
Output hold time, EMIFWE high to (WH +1) * E - (WH +1) * E - ns
EMIFADD[21:0] invalid t
r(WE)
- 5 t
r(WE)
+ 6
19 t
w(EMWEL)
EMIFWE active low width (WST +1) * E - (WST +1) * E -
t
f(WE)
- 1 t
f(WE)
+ 1
20 t
su(EMDV-ENWEL)
Output setup time, EMIFD[15:0] valid to EMIFWE (WS +1) * E - (WS +1) * E - ns
low t
rf(DA)
+ t
f(WE)
- 6 t
rf(DA)
+ t
f(WE)
+
5
21 t
h(EMWEH-EMDIV)
Output hold time, EMIFD[15:0] valid after (WH +1) * E - (WH +1) * E - ns
EMIFWE high t
r(WE)
- 5 t
r(WE)
+ 5
7.14.1 Read Timing (Asynchronous RAM)
Figure 7-17. Asynchronous Memory Read Timing for EMIF
88 Peripheral and Electrical Specifications Copyright © 2010–2011, Texas Instruments Incorporated
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