ASIX ELECTRONICS CORPORATION
67
AX88796 L 3-in-1 Local Bus Fast Ethernet Controller
3.3V
TPIP
TPIN
TXD0
TXD1
TXD2
CRS
RXCK
BHE#
IRQ
R23
24.9K 1%
R8
330
R21
20.1K 1%
SA5
SA6
SA7
SD7
SD9
SD10
340H
TXD2
TXD3
EECS
EESK
ON
GPI2
RXD1
RXD1
RXD2
TXD0
TXD1
TXD2
GPI1
LINK
FULL
Speed LED
FULL LED
PCLK
IREQ
IDDQ
P1
DB-25F
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
SD12
SD14
R7
330
L1
F.B.
SMD 1206
RXD3
U4
25MHZ OSC
8
4
5
VCC
GND
OUT
OFF
C10
0.1u
C9
0.01u
MDIO
OFF
*1 Pin 67 SPP_SET# = 0 : Select printer interface.
*2 Pin 50 PPD_SET = 0 : Internal PHY in normal mode.(default)
796NS3A1.SCH
2.0
AX88796
A3
2
4
Thursday, April 19, 2001
ASIX ELECTRONICS CORPORATION
Title
Size
Document Number
Rev
Date:
Sheet
of
SD11
3.3VP
3.3VO
C30
JP1
1
3
5
2
4
6
RXD0
RXD2
SD6
RXD1
RXD2
RXD3
TXCK
TPON
R5
0
ZVREG
TPON
GND
C33
0.01u
OFF
*6 Use Crystal or Oscillator.
SA1
IOWR#
RESET
C20
0.01u
RXD2
3.3V
TXCK
PD1
SLIN#
RDY
R46
10K
ZVREG
TPOP
C34
0.01u
XIN
R49
10K
OFF
*4
C35
0.001u
TXEN
TXD1
CPU1
TXD0
BHE#
IORD#
IOWR#
RXD3
BUSY
PE
SLCT
SA9
RXCK
EEDI
EEDO
RESET
IRQ
RDY
+
C8
4.7uF/16V
SMD 1206
+
C11
4.7uF/16V
SMD 1206
PD5
PD6
ON
*2
GPI0
GPI2
R2
R3
10K
10K
TXD3
D1
LED
C25
0.01u
380h
*3
TPIP
TPIN
3.3V
C21
0.01u
IOWR#
GPI0
AEN
RXDV
SD2
REXT10
3.3V
GND
C14
0.1u
INIT#
*4 Pin 116 I_OP = 0 : LNK/ACT & FULL/COL LED Display be used.
XOUT
MDIO
TXD1
C37
0.1u
PCLK
GND
PD4
CPU1
RXD0
C19
0.1u
R6
10K
TPIP
TPIN
MDC
SD1
8051
3.3VA
CRS
3.3VD
ON
3.3V
CRS
COL
RXDV
C6
0.01u
SA0
IORD#
OFF
3.3V
TXCK
EEDI
IORD#
IO BASE
220h
OFF
+
C13
4.7uF/16V
SMD 1206
TXD3
PD7
ACK
MDC
R9
330
R1
10K
C4
0.001u
SD15
R25
10K
CRS
RXCK
*3 CPU Type select
TPON
C28
R48
10K
+
C36
4.7uF/16V
SMD 1206
REXTBS
ZVREG
3.3V
RXER
RXDV
COL
C12
0.1u
IOBASE0
OFF
OFF
*5 IOBASE Select
RDY
GND
+
C1
4.7uF/16V
SMD 1206
*1
BHE#
XIN
C29
0.1u
L2
SMD 1206
default
CLKO25
CPU0
U3
AX88796
LQFP
1
2
3
4
5
6
7
8
9
10
11
12
15
42
13
27
40
53
57
104
126
14
28
34
43
52
54
63
94
105
115
127
16
123
18
19
22
23
24
25
26
29
30
31
32
33
35
36
37
38
39
41
44
45
46
47
65
48
49
50
51
55
68
72
75
85
56
69
73
82
58
59
116
117
118
119
120
60
61
62
66
67
70
71
74
83
84
76
77
93
78
79
80
81
86
89
90
87
88
91
92
95
96
97
98
99
100
101
102
107
108
109
110
111
112
103
106
113
128
/CS
AEN /PSEN
RESET
SA0 /LDS
SA1
SA2
SA4
SA5
SA6
SA7
SA9
SD0
VDD
VDD
VDD
VDD
VDD
VDD
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
IRQ /IRQ
/IOWR R/W
/IORD
/BHE /UDS
SD15
SD14
SD13
SD11
SD10
SD9
SD8
SD6
SD5
SD4
SD3
SD1
CLKO25M
BIST
IDDQ
TEST1
EEDO
PPD_SET EEDI
EECS
VSSA
VSSA
VSSA
VSSA
VDDA
VDDA
VDDA
CPU0
LED_OP
IO_BASE0
IO_BASE1
IO_GPO0
LINK_LED LINK/ACT_LED
SPEEDLED
ACT_LED FULL/COL_LED
MDIO
/SPP_SET MDC
TPIP
TPIN
REXTBS
REXT10
VDDA
VSSM
VSSM
VDDPD
LCLK/XTALIN
XTALOUT
VSSPD
VSSO
VSSO
VSSO
TPOP
VDDO
ZVREG
PD0 RXD0
PD1 RXD1
PD2 RXD2
PD4 RX_CLK
PD5 CRS
PD6 COL
/PD7 RX_DV
BUSY TX_EN
/STRB TXD0
/ATFD TXD1
/SL/INIT TXD2
SPE GPI1/DPX
/ERR GPI2/SPD
D2
LED
OFF
OFF
Link LED
+
C43
4.7uF/16V
SMD 1206
L5
F.B.
SMD 1206
3.3VD
IOBASE1
SA2
SA4
IOIS16#
MDC
PCLK
EESK
C42
TXCK
3.3V
C24
MODE
TXEN
SD4
SD5
XIN
COL
R52
2M
CPU0
L3
F.B.
SMD 1206
SA[0..9]
SD[0..15]
C22
0.01u
C7
0.01u
RESET
U2
CS
SK
DI
DO
93C56R
1
2
3
4
5
6
7
8
GND
NC
NC
VCC
R27
10K
C5
0.01u
3.3V
+
C2
4.7uF/16V
SMD 1206
SD0
Y1
25MHZ
IOBASE2
OFF
R20
20
D3
LED
C32
0.01u
GND
STROB#
3.3V
RXDV
C31
0.01u
C27
0.01u
RXER
GND
+
C3
4.7uF/16V
SMD 1206