CRD8900A-1 Cirrus Logic Inc, CRD8900A-1 Datasheet - Page 116
CRD8900A-1
Manufacturer Part Number
CRD8900A-1
Description
KIT EVAL FOR CS8900A
Manufacturer
Cirrus Logic Inc
Series
CrystalLAN™r
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CRD8900A-1
Main Purpose
Interface, Ethernet
Utilized Ic / Part
CS8900A
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Other names
598-1163
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SWITCHING CHARACTERISTICS
DMA Read
DMACKx active to IOR active
AEN active to IOR active
IOR active to Data Valid
IOR inactive to SD 3-state
IOR n-1 high to DMARQx inactive
DMACKx, AEN hold after IOR high
16-Bit I/O Write
Address, AEN, SBHE valid to IOCS16 low
Address, AEN, SBHE valid to IOW low
IOW pulse width
SD hold after IOW high
IOW low to SD valid
IOW inactive to active
Address hold after IOW high
116
SA [15:0],
AEN, SBHE
IOCS16
IOW
SD [15:0]
DMARQx
DMACKx
SD[15:0]
Parameter
AEN
IOR
CIRRUS LOGIC PRODUCT DATASHEET
t
IOW2
t
DMA3
t
IOW1
Figure 38. 16-Bit DMA Read
Valid Address
Figure 39. 16-Bit I/O Write
t
IOW5
t
DMA2
t
DMA1
(Continued)
Valid
Data
t
IOW3
Valid Data In
t
DMA4
IOR
t
IOW7
n-1
Symbol
Valid
Data
t
t
t
t
t
t
t
DMAR1
DMAR2
DMAR3
DMAR4
DMAR5
DMAR6
t
t
t
t
t
t
t
IOW6
IOW1
IOW2
IOW3
IOW4
IOW5
IOW6
IOW7
t
IOW4
t
DMA5
Crystal LAN™ Ethernet Controller
t
DMA6
IOR
Min
110
60
10
20
20
35
n
Valid
Data
0
0
-
-
-
-
-
IN or OUT of chip
DIRECTION:
IN
OUT
IN
IN
IN or OUT of chip
DIRECTION:
Typ
30
-
-
-
-
-
-
-
-
-
-
-
OUT
IN
IN
IN
OUT
Max
135
20
35
10
-
-
-
-
-
-
-
-
CS8900A
DS271F5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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