pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 390

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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7.0 Device Specifications
Bus State
BST0-2
BST0-2
WR0-1
(x
(y
WR0-1
(x
(y
A0-18
D0-15
D0-15
A0-18
Figure 136. Two Consecutive Normal Read Bus Cycles with Burst, 0 Wait, AC Timing
SELx
SELy
SELx
SELy
CLK
CLK
Figure 135. Late Write between Two Normal Read Bus Cycles, 0 Wait, AC Timing
RD
RD
y)
x)
y)
x)
t
t
5
4
, t
, t
T1
12
13
t
t
3
5
, t
12
Normal Read
t
4
t
t
, t
t
4
(Continued)
1
3
, t
Normal Read
, t
T1
13
T2
t
13
12
5
t
, t
2
In
12
t
4
t
t
t
t
5
, t
5
5
3
t
, t
, t
T2
, t
5
, t
13
T2B
, t
12
12
t
12
12
10
12
In
t
In
6
, t
T1
13
390
T1
t
Late Write
t
t
t
5
3
9
3
t
, t
7
, t
12
12
Normal Read
t
6
t
t
, t
t
5
14
3
, t
T2
, t
13
Out
T2
12
12
t
11
In
t
5
t
, t
5
t
T1
T2B
Normal Read
1
, t
12
t
12
8
, t
12
In
T2
t
In
2
t
5
, t
12
Revision 1.07