CS8900-CQ3 Cirrus Logic, CS8900-CQ3 Datasheet - Page 11

• Manufacturer Part Number: CS8900-CQ3
• Description: Crystal LAN ISA Ethernet Controller
• Manufacturer: Cirrus Logic

DS271PP3
CS8900A
Crystal LAN™ ISA Ethernet Controller
LA[20:23]
SA[0:19]
SA[0:14]
DACK5
DACK6
DACK7
SD[0:7]
IRQ12
IRQ10
IRQ11
DRQ5
DRQ6
DRQ7
EEPROM
BALE
IRQ5
93C46
CLK
BUS
DO
ISA
CS
DI
4
1
4
3
2
Decoder
Address
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
XTAL1 XTAL2
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
20 MHz
98
CIRRUS LOGIC PRODUCT DATA SHEET
4.7 k
Figure 3. Typical Connection Diagram
CS8900A
SLEEP
5 V
77
76
TEST
BSTATUS/HCI
4.99 k , 1%
93
LINKLED
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 , 1%
78
99
17
24.3
24.3
20
22
680
680
Boot-PROM
CE
OE
27C256
PD[0:7]
100
68 pF
0.1 F
39.2 , 1%
39.2 , 1%
5 V
1
3
6
8
Transformer
10 BASE T
Isolation
1:
19
1
1:1
DIR
2
OE
74LS245
0.1 F
39.2 , 1%
16
14
11
10
9
1
2
4
5
7
8
AUI Isolation
Transformer
.1 F
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