CS8900-IQ3 Ver la hoja de datos (PDF) - Cirrus Logic
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CS8900-IQ3 Datasheet PDF : 138 Pages
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CS8900A
Crystal LAN™ ISA Ethernet Controller
20 MHz
5V
4.99 kΩ, 1%
EEPROM
93C46
CS 1
97
98 4.7 kΩ 77
XTAL1 XTAL2 SLEEP
3 EECS
76 93
TEST RES
RXD- 92
10 BASE T
Isolation
1 Transformer 16
6 RJ45
DO 4
6 EEDATAIN
100 Ω, 1%
1:1
DI 3
CLK 2
5 EEDATAOUT
4 EESK
91
3
14
3
RXD+ 24.3 Ω, 1%
TXD- 88
6
11
2
68 pF 7 1: 2
ISA
BUS
LA[20:23]
4
Address
Decoder
PAL
BALE
SA[0:19]
7 CHIPSEL
ELCS
20
SA[0:19]
28 MEMW
CS8900A
TXD+ 87
24.3 Ω, 1%
DO- 84
DO+ 83
8
0.1 µF
9
1
12 V
AUI Isolation
1 Transformer 16
2
1:1
15
13 15 pin D
10
3
29 MEMR
62 IOW
CI- 82
CI+ 81
4
13 9
5
1:1
12 2
61 IOR
49 REFRESH
DI- 80
DI+ 79
7
10 12
8
1:1
95
36 SBHE
63 AEN
75 RESET
39.2 Ω, 1%
4, 6
39.2 Ω, 1%
39.2 Ω, 1%
39.2 Ω, 1%
0.1 µF
0.1 µF
34 MEMCS16
BSTATUS/HCI 78
33 IOCS16
5V
64 IOCHRDY
16
SD[0:15]
680 Ω
LANLED 100
IRQ10
IRQ11
32 INTRQ0
31 INTRQ1
680 Ω
LINKLED 99
IRQ12
IRQ5
DRQ5
DACK5
DRQ6
30 INTRQ2
35 INTRQ3
15 DMARQ0
16 DMACK0
13 DMARQ1
17
CSOUT
Boot-PROM
27C256
20
CE
22 OE
74LS245
19
OE
1 DIR
DACK6
14 DMACK1
DRQ7
11 DMARQ2
PD[0:7]
DACK7
12 DMACK2
SA[0:14]
15
SD[0:7]
8
Figure 3. Typical Connection Diagram
CIRRUS LOGIC PRODUCT DATASHEET
10
DS271PP4
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