ZiLOG Zdots eZ80AcclaimPlus, User Manual

Page: 29 / 34

UM024401-0412 Schematic Diagrams
eZ80AcclaimPlus! Development Kit
User Manual
19
Figure 10. Schematic Diagram #2 of 4: EMAC Interface
MII_RXD3
MII_RXD2
MII_RXD1
MII_RXD0
MII_TXD0
MII_TXD1
MII_TXD2
MII_TXD3
MII_MDIO
VCCIO
VCC_3v3 VCCIO
VCCC
3.3V_FLT
3.3V_FLT
VCC_3v3
VCCIO
VCCC
VCCIO
MII_RXER
MII_RXDV
MII_MDC
MII_RXD[3:0]
MII_RST-
MII_TXD[3:0]
MII_TXER
MII_TXEN
MII_TXCLK
MII_RXCLK
MII_CRS
MII_COL
U5
ICS1894-40
U5
ICS1894-40
MDIO
13
MDC
14
RXD3/AMDIX
18
RXD2/P3
19
RXD1/RXTRI
20
RXD0/FDPX
22
RXDV/RMII
23
RXCLK/ANSEL
26
RXER/NOD
27
TXCLK/SPEED
28
TXEN
29
TXD0
30
TXD1
33
TXD2
34
TXD3
35
SPEED
24
CRS/HWSW
16
LED2/P4
38
LED1/P1/ISO
40
LED0/P0
39
TP_AP
2
TP_AN
3
TP_BN
6
TP_BP
7
RST
11
REF_IN
37
REF_OUT
36
INT/P2
12
THERM
AL
_
PAD
41
TC
SR
9
AMDIX
1
LED3
32
GN
D
4
GN
D
10
VCC
5
VCC
8
VCCIO
15
VCCC
31
TXER
25
LED4/SI
21
COL/Regpin
17
C30
0.1uF
C30
0.1uF
R24
1K R24
1K
Y3
25.000MHZ
Y3
25.000MHZ
C28
0.1uF
C28
0.1uF
R21 10K R21 10K
R27
1 ohm R27
1 ohm
1
2
C50
0.01uF
C50
0.01uF
R28
49.9
R28
49.9
L2
HZ0805
L2
HZ0805
C31
27pF
C31
27pF
+ C46
22uF + C46
22uF
1
2
R22
10K
R22
10K
C27
0.01uF
C27
0.01uF
R29
49.9
R29
49.9
L3
HZ0805
L3
HZ0805
C32
27pF
C32
27pF
+ C47
22uF
+ C47
22uF
1
2
P1
J3011
P1
J3011
TD+
3
TD-
4
CT_T
5
RD+
7
RD-
8
CT_R
6
AN_1
1
CAT_1
2
CAT_2
11
AN_2
12
GUIDE1
15
GUIDE2
16
GND
10
GND_TL
13
GND_TR
14
NC
9
C29
0.01uF
C29
0.01uF
R12
1.82K
R12
1.82K
C52
0.1uF
C52
0.1uF
R23
1K R23
1K
R32
10K 1/8W R32
10K 1/8W
R30 49.9 R30 49.9
R20
20K R20
20K
C48
0.1uF
C48
0.1uF
R13
18.2K R13
18.2K
C54
100pF
C54
100pF
J20
HDR/PIN 1x1
J20
HDR/PIN 1x1
1
C45
0.01uF
C45
0.01uF
R31 49.9 R31 49.9
C55
0.01uF/2000V
C55
0.01uF/2000V
C49
0.1uF
C49
0.1uF
C53
100pF
C53
100pF
C51
0.1uF
C51
0.1uF