Figure 10. Schematic Diagram #2 Of 4: Emac Interface - ZiLOG eZ80AcclaimPlus! User Manual

VCC_3v3
L2 L2
HZ0805 HZ0805
L3 L3
HZ0805 HZ0805
R27 R27
1 ohm 1 ohm
3.3V_FLT
C30 C30 C45 C45
0.1uF 0.1uF 0.01uF 0.01uF
MII_TXD[3:0]
MII_TXD3
MII_TXD2
MII_TXD1
MII_TXD0
MII_TXEN
MII_TXER
MII_TXCLK
MII_RXCLK
MII_CRS
MII_COL
MII_RXD[3:0]
MII_RXD3
MII_RXD2
MII_RXD1
MII_RXD0
MII_RXDV
MII_RXER
MII_MDC
MII_MDIO
MII_RST-
R32 R32
10K 1/8W 10K 1/8W
UM024401-0412
VCCIO
C48 C48
C46 C46 + +
22uF 22uF 0.1uF 0.1uF
VCCC
VCC_3v3
C49 C49
C47 C47 + +
0.1uF 0.1uF C28 C28
22uF 22uF 3.3V_FLT
0.1uF 0.1uF
R12 R12 R13 R13
1.82K 1.82K 18.2K 18.2K
U5 U5
1
AMDIX
35
TXD3
34
TXD2
33
TXD1
30
TXD0
29
TXEN
25
TXER
28
TXCLK/SPEED
26
RXCLK/ANSEL
17
COL/Regpin
16
CRS/HWSW
18
RXD3/AMDIX
19
RXD2/P3
20
RXD1/RXTRI
22
RXD0/FDPX
23
RXDV/RMII
27
RXER/NOD
14
MDC
13
MDIO
24
SPEED
11
RST
R20 R20
ICS1894-40 ICS1894-40
20K 20K
VCCIO

Figure 10. Schematic Diagram #2 of 4: EMAC Interface

VCCIO
VCCC
C50 C50
0.01uF 0.01uF
C29 C29 C27 C27
0.01uF 0.01uF 0.01uF 0.01uF
C31 C31 C32 C32
27pF 27pF 27pF 27pF
Y3 Y3
25.000MHZ 25.000MHZ
37
REF_IN
36
R28 R28
REF_OUT
49.9 49.9
2
TP_AP
R29 R29
3
TP_AN
R30 R30 49.9 49.9
R31 R31 49.9 49.9
7
TP_BP
6
R22 R22
TP_BN
39
LED0/P0
40
LED1/P1/ISO
38
LED2/P4
32
LED3
R24 R24
21
1K 1K
LED4/SI J20 J20
12 VCCIO
INT/P2 1
HDR/PIN 1x1 HDR/PIN 1x1
eZ80AcclaimPlus! Development Kit
C51 C51 C52 C52 C53 C53 C54 C54
0.1uF 0.1uF 0.1uF 0.1uF 100pF 100pF 100pF 100pF
P1 P1
3
TD+
GUIDE1
49.9 49.9 5
CT_T GUIDE2
4
TD-
7
RD+
6
CT_R
8
RD-
1
AN_1 GND_TR
2
CAT_1
GND_TL
12
10K 10K
AN_2
11
CAT_2
R21 R21 10K 10K J3011 J3011
R23 R23
1K 1K
User Manual
19
15
16
9
NC
14
13
C55 C55
10 0.01uF/2000V 0.01uF/2000V
GND
Schematic Diagrams