W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 184
![no-image](/images/no-image-200.jpg)
W90221X
Manufacturer Part Number
W90221X
Description
Pa-risc Embedded Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90221X.pdf
(220 pages)
- Current page: 184 of 220
- Download datasheet (3Mb)
7.3
Figure 7.3.1 Timing of VMI bus
Figure 7.3.2 Timing of WIO write cycle
W90221X version 0.6
Symbol
DATA
ADDR
WEB
t wc
t asw
t wp
t ahw
t dsw
t dhw
I N P U T
H S I , V S I ,
V I N [ 0 : 7 ]
S y m b o l
T h
T s u
AC Specifications
V C L K
Write cycle time
ADDR to WEB setup time
WEB pulse width
ADDR to WEB hold time
DATA to WEB setup time
DATA to WEB hold time
Parameter
VIN[0:7], HSI, VSI
VIN[0:7], HSI, VSI
t
A S W
Input Timing AC Characteristics
Parameter
t
t
W C
W P
t
D S W
1.5V
M i n
5
5
t
t
A H W
D H W
T s u
1 . 5 V
input valid
M a x
Min
4
1
2
1
2
1
T h
Unit
ns
ns
Max
PCICLK
PCICLK
PCICLK
PCICLK
PCICLK
PCICLK
Unit
- 184 -
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