TMP92CF30
2009-06-12
92CF30-555
4.3.2
Page ROM Read Cycle
(1) 3-2-2-2 mode
Variable
No. Parameter Symbol
Min Max
80 MHz 60 MHz Unit
1 System clock period (
=
T)
t
CYC
12.5 2666
12.5
16.6
2 A0, A1
→
D0 to D31 input
t
AD2
2.0T
−
18 7 15.2
3 A2 to A23
→
D0 to D31 input
t
AD3
3.0T
−
18 19.5 31.8
4
RD
falling
→
D0 to D31 input
t
RD3
2.5T
−
18 13
24
5 A0 to A23 Invalid
→
D0 to D31 hold
t
HA
0
0
0
6
RD
rising
→
D0 to D31 hold
t
HR
0
0
0
ns
AC measuring condition
Note: The (a), (b) and (c) of “Symbol” in above table depend on the falling timing of RD pin. The falling timing of RD
pin is set by MEMCR0<RDTMG1:0> in memory controller. If MEMCR0<RDTMG1:0> is set to “00”, it correspond
with (a) in above table, and “01” is (b), “10” is (c).
Page Mode Access Timing (when using a 16-byte page size example)
SDCLK
A0 to A23
2
CS
RD
D0 to D31
+
0
+
4
+
8
+
12
Data
input
Data
input
Data
input
Data
input
t
AD3
t
AD2
t
AD2
t
AD2
t
HA
t
HR
t
RD3
t
HA
t
HA
t
HA
t
CYC
Содержание TLCS-900/H1 Series
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