Cypress STK11C68 Manual De Usuario

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STK11C68
Document Number: 001-50638 Rev. **
Page 10 of 16
Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows. 
Parameter
Alt
Description
25 ns 
35 ns 
45 ns 
Unit
Min
Max
Min
Max
Min
Max
t
RC
t
AVAV
STORE/RECALL Initiation Cycle Time
25
35
45
ns
t
SA
[10]
t
AVEL
Address Setup Time
0
0
0
ns
t
CW
t
ELEH
Clock Pulse Width
20
25
30
ns
t
HACE
[10]
t
ELAX
Address Hold Time
20
20
20
ns
t
RECALL
RECALL Duration
20
20
20
μs
Switching Waveform
Figure 10.  CE Controlled Software STORE/RECALL Cycle 
t
RC
t
RC
t
SA
t
SCE
t
HACE
t
STORE
/ t
RECALL
DATA VALID
DATA VALID
6
#
S
S
E
R
D
D
A
1
#
S
S
E
R
D
D
A
HIGH IMPEDANCE
ADDRESS
CE
OE
DQ (DATA)
Notes
10. The software sequence is clocked on the falling edge of CE without involving OE (double clocking aborts the sequence).
11. The six consecutive addresses must be read in the order listed in 
 on page 4. WE must be HIGH during all six consecutive cycles.