CS8900A-CQR Cirrus Logic Inc, CS8900A-CQR Datasheet - Page 11
![no-image](/images/manufacturer_photos/0/1/141/cirrus_logic_inc_sml.jpg)
CS8900A-CQR
Manufacturer Part Number
CS8900A-CQR
Description
Ethernet ICs IC 10Mbps Ethernet Controller 5V
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CS8900A-CQR
Ethernet Connection Type
10Base- 2, 10Base- 5, 10Base- F, 10Base- T
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Standard Supported
IEEE 802.3
Data Rate
10 Mbps
Maximum Operating Temperature
+ 70 C
Package / Case
LQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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DS271F5
CS8900A
Crystal LAN™ Ethernet Controller
LA[20:23]
SA[0:19]
SA[0:14]
DACK5
DACK6
DACK7
SD[0:7]
IRQ10
IRQ11
IRQ12
EEPROM
DRQ5
DRQ6
DRQ7
BALE
IRQ5
93C46
CLK
BUS
DO
ISA
CS
DI
4
1
4
3
2
Address
Decoder
PAL
16
15
8
20
28
29
62
61
49
36
63
75
34
33
64
32
31
30
35
15
16
13
14
11
12
3
6
5
4
7
XTAL
97
EECS
EEDATAIN
EEDATAOUT
EESK
CHIPSEL
ELCS
SA[0:19]
MEMW
MEMR
IOW
IOR
REFRESH
SBHE
AEN
RESET
MEMCS16
IOCS16
IOCHRDY
SD[0:15]
INTRQ0
INTRQ1
INTRQ2
INTRQ3
DMARQ0
DMACK0
DMARQ1
DMACK1
DMARQ2
DMACK2
1
20 MHz
Figure 3. Typical ISA Bus Connection Diagram
TTR
T
T
c
XTAL
r1
98
2
and T
CIRRUS LOGIC PRODUCT DATASHEET
4.7 k Ω
CS8900A
SLEEP
5 V
r2
77
76
TEST
BSTATUS/HCI
1 : 1.414
4.99 k Ω , 1%
24.3 Ω
93
LINKLED
5 Volt
69 pF
RES
LANLED
CSOUT
RXD+
TXD+
RXD-
TXD-
DO+
DO-
CI+
DI+
CI-
DI-
100
92
91
88
87
84
83
82
81
80
79
39.2 Ω , 1%
78
99
17
T
T
20
22
680 Ω
680 Ω
r1
r2
Boot-PROM
CE
OE
27C256
1%
1%
PD[0:7]
560 pF
1 : 2.5
3 Volt
100 Ω, 1%
8.0 Ω
T
0.1 μ F
c
39.2 Ω , 1%
39.2 Ω , 1%
0.1 μ F
5 V
1
3
6
7
8
Transformer
10 BASE T
Isolation
19
1
TTR
1:1
DIR
OE
74LS245
0.1 μ F
39.2 Ω , 1%
16
14
11
9
1
2
4
5
7
8
AUI Isolation
Transformer
1:1
1:1
1:1
12 V
16
15
13
12
10
9
4, 6
13
10
12
3
9
2
5
6
3
2
1
RJ45
15 pin D
11
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