pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 391

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

Revision 1.07
7.0 Device Specifications
BST0-2
WR0-1
Bus State
SELIO
A0-18
SELn,
D0-15
CLK
A0-18
SELx
SELy
D0-15
RD
WR0-1
BST0-2
CLK
(x
(y
RD
Figure 137. Normal Read Bus Cycle (2 Internal Waits, and 1 Hold), AC Timing
y)
x)
t
t
5
5
T
, t
, t
Idle
12
12
Figure 138. Fast Read Bus Cycle, AC Timing
(Continued)
t
4
Read
, t
Fast
t
t
3
T1-2
4
13
, t
T1
t
13
t
5
3
In
t
, t
1
12
t
4
, t
t
t
T1
3
4
13
t
t
t
, t
, t
Late Write
5
5
2
TIW
, t
, t
12
t
13
5
12
12
, t
391
12
T2
Out
TIW
Cycle
Idle
t
t
T
5
5
t
, t
Idle
1
, t
T2
12
12
Read
Fast
T1-2
T
hold
In
t
2
T1
t
3
, t
12
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