Host Read - Eads Astrium SMCS332SpW User Manual

9.3

Host Read

V = 5 V ± 0.5V
CC
Description
HSEL*, HRD* and SMCSADR and HADR setup before CLK high
HADR, SMCSADR hold after HSEL*, HRD* high
HRD* pulse width high
HACK low after HRD*, HSEL* active and SMCSADR valid
HACK high after CLK high
HACK disable after HRD*, HSEL* inactive or SMCSADR invalid
HDATA valid before HACK high
HDATA hold after HRD*, HSEL* inactive or SMCSADR invalid
HDATA enable after HRD*, HSEL* active and SMCSADR valid
Notes:
1)
Signal HACK active when HRD* low and HSEL* low and SMCSADR = SMCSID
2) Signal HACK disable when HRD* high or HSEL* high or SMCSADR ≠ SMCSID
SMCS332SpW
User Manual
– All Rights Reserved – Copyright per DIN 34 –
EADS Astrium GmbH, ASE2
Doc No: SMCS_ASTD_UM_100
Issue:
Updated: 9-Sep-2006
Page:
Symbol Min.
t 5
HRSU
t 0
HRAH
t 5
HRDW
1)
t
HRACKL
t 1 * t
HRACKH
2)
t
HRACKA
t 0
HRDV
2)
t 5
HRDH
1)
t 4
HRDE
1.4
73 of 131
Max.
14
+ 5 3 * t + 21
CLK CLK
16
19
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns