CS8900A-IQR Cirrus Logic Inc, CS8900A-IQR Datasheet - Page 127
![no-image](/images/manufacturer_photos/0/1/141/cirrus_logic_inc_sml.jpg)
CS8900A-IQR
Manufacturer Part Number
CS8900A-IQR
Description
Ethernet ICs IC 10Mbps Ethernet Controller 5V
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CS8900A-IQR
Ethernet Connection Type
10Base- 2, 10Base- 5, 10Base- F, 10Base- T
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Standard Supported
IEEE 802.3
Data Rate
10 Mbps
Maximum Operating Temperature
+ 85 C
Package / Case
LQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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DS271F5
SWITCHING CHARACTERISTICS
CS8900A
Crystal LAN™ Ethernet Controller
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
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 53. 16-Bit DMA Read
Valid Address
Figure 54. 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
DMAR1
DMAR2
DMAR3
DMAR4
DMAR5
DMAR6
t
t
t
t
t
t
t
t
IOW6
IOW1
IOW2
IOW3
IOW4
IOW5
IOW6
IOW7
t
IOW4
t
DMA5
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
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
127
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