Cirrus Logic Crystal LAN CS8900A Application Note page 11

R6 39.2
DO-
DO+
CI-
CI+
DI-
DI+
39.2 Ω R9
R8
+12V
C18
BSTATUS/HCI
0.1 µ F
(CS8900 Pin 4)
(CS8900 Pin2)
CS8900 Pin5)
(ISA B28)
(ISA C02)
(ISA C03)
(ISA C04)
(ISA C05)
(ISA B02)
AN83REV3
0.1 µ F
C14
R7 39.2
1
I11
2
I12
CI- 4
I21
CI+ 5
I22
7
I31
DI-
8
I32
DI+
39.2
AUI_XFR_S
YL18-1005D
0.1 µ F
C15
Figure 16. AUI Schematic
1
+12IN1
12
2 SOUT+
9
+12IN2
SOUT- C21
3
EN
0.1 µ F
22
U5
EN
23
-12IN1
13
24 NC
-12IN2
DC-DC
CONVERSION
YL18-1005D
AUI_XFR_S
8 9
DI+ I32 O32
7 10
DI- I31 O31
5 12
I22 O22
CI+
4 13
I21 O21
CI-
2 15
I12 O12
DO+
1 16
I11 O11
DO-
T1
Figure 17. 10BASE-2 Schematic
EE_SK
ELCS
EEDOUT
BALE
LA23
LA22
LA21
LA20
RESET
Figure 18. PAL Decode of LA[20-23]
+12V
T2 CI_A
16
O11
DO_A
15
O12
13
O21
12
O22
10
O31
DI_A
9
O32
ISOLATED_GND
C20
0.1 µ F
-9_V
1082 CI+ 2
CD+
1082 CI- 3
CD-
1082 DI+ 4
RX+
1082 DI- 12
RX-
1082 DO+ 13
TX+
1082 DO- 14
TX-
15
HBE
18
RR+
R10 1K
19
RR-
5
VEE1
6
VEE2
7
VEE3
8
VEE4
9
VEE5
10
VEE6
11
VEE7
20
VEE8
21
VEE9
22
VEE10
23
VEE11
24
VEE12
25
VEE13
1 12
CLK
I/00
11
G 13
I/01
2 18
10 I/02
3
11 19
4 I/03
12
5
13
6 14
14 00
7
15 15
8 01
16
9 16
17 02
17
03
PAL16R4
F1
CON_AUI15PSUBO
1
9 CI_B
2
10 DO_B
3
11
4
J2
12
5
13
6
14
7
15
8
16 17
0.1 µ F
C27
R15 10k
CS83C92C_S D1
1H916
28 TX0
TX0
U2 26 RX1
RX1
1 CDS
CDS
16
GND1
17
GND2
27
NC
C24 1M
1kV 1/2W
.01 µ F
R17
CHIPSEL_B (CS8900 Pin7)
VP_+12V
DI_B
R16 121
BNC_50
1 J3
2