Zilog EZ80190 - Manual (Page 74)

UM014108-0810 Schematic Diagrams
eZ80190 Development Kit
User Manual
70
Figure 25. eZ80190 Module Schematic Diagram, #5 of 8—Ethernet Module Logic
don’t
stuff
=
SD[0..7] D[0..7]
SD[0..7]
SA[0..3] A[0..23]
A[0..23] SA[0..3]
CLK_OUT
-RD
-WR
-CSETH -CS3
-ETHRD
-ETHWR
VSS
VDD
D0
D1
D2
D3
D4
D5
D6
D7
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
-ETHWR
-WR
-CSETH
-RD
-CSETH
CLK_OUT CLK_OUT
-CSETH
CSETH_P
-WR
-RD
-ETHRD
-ETHWR
D[0..7]
A0
A1
A2
A3
CSETH_P
-CSETH1D
-CSETH1D -CSETH2D
SA0
SA1
SA2
SA3
-RD
-WR
-CS3
CLK_OUT
-ETHRD
-ETHWR
SD[0..7] D[0..7]
A[0..23] SA[0..3]
V3.3
GND
V3.3 V3.3
U11A
74LCX74
TSSOP14
2
3
5
6
4
1
D
CLK
Q
Q
PR
CL
U11B
74LCX74
TSSOP14
12
11
9
8
10
13
D
CLK
Q
Q
PR
CL
R17
0R
0603
U5C
74LCX32
TSSOP14
9
10
8
U5B
74LCX32
TSSOP14
4
5
6
U6C
74LCX04
TSSOP14
5 6
U10
74LCX573
TSSOP20
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
D1
D2
D3
D4
D5
D6
D7
D8
LE
OE
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
R16
0R
0603
U9
74LCX543
TSSOP24
3
4
5
6
7
8
9
10
22
21
20
19
18
17
16
15
13
14
11
2
1
23
A0
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
OEAB
LEAB
CEAB
OEBA
LEBA
CEBA