CS8920A Ver la hoja de datos (PDF) - Cirrus Logic
Número de pieza
componentes Descripción
Fabricante
CS8920A Datasheet PDF : 144 Pages
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CS8920A
EEPROM
93C56
CS 1
DO 4
DI 3
CLK 2
ISA
BUS
SA[0:14]
SD[0:7]
20 MHz
4.99 kΩ, 1%
7
17
16
15
8
135
136 4.7 kΩ 116
XTAL1 XTAL2 SLEEP
141
EECS
115 131
TEST RES
RXD- 130
10 BASE T
Isolation
1 Transformer 16
6 RJ45
7 EEDATAIN
100 Ω, 1% 1:1
6 EEDATAOUT
142 EESK
RXD+ 129
3
14
3
24.3 Ω, 1%
TXD- 126
6
11
2
68 pF
1: 2
10
TXD+ 125
24.3 Ω, 1%
8
2
9
.1 µF
.1 µF
1
12 V
LA[17:23]
57 BALE
SA[0:16]
28 MEMW
CS8920A
DO- 122
DO+ 121
AUI Isolation
1 Transformer 16
2
1:1
15
15 pin D
10
3
29 MEMR
90 IOW
CI- 120
CI+ 119
4
13 9
5
1:1
12 2
89 IOR
83 REFRESH
DI- 118
DI+ 117
7
10 12
8
1:1
95
52 SBHE
91 AEN
114 RESET
44 MEMCS16
39.2 Ω, 1%
6
39.2 Ω, 1%
39.2 Ω, 1%
39.2 Ω, 1%
BSTATUS/HCI 113
0.1 µF
0.1 µF
43 IOCS16
92 IOCHRDY
3
EWAKE
SD[0:15]
75 IRQ3
76 IRQ4
77 IRQ5
78 IRQ6
79 IRQ7
106 IRQ9
34 IRQ10
33 IRQ11
32 IRQ12
30 IRQ14
31 IRQ15
16 DRQ5
17 DACK5
14 DRQ6
15 DACK6
9 DRQ7
10 DACK7
5V
LANLED 140 680 Ω
LINKLED/HC0 139 680 Ω
5 680 Ω
LOCALLED
CSOUT 8
Boot-PROM
27C256
20 CE
22 OE
PD[0:7]
74LS245
19 OE
1 DIR
Figure 1.3. Typical Connection Diagram
DS238PP1
7
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