Rs232 serial interface, Figure 2–11, Figure 2–11. ethernet phy schematic – Altera LCD Multimedia HSMC User Manual
Page 29
2–21
Altera Corporation
LCD Multimedia HSMC
August 2008
Interfaces/ Connectors
Figure 2–11. Ethernet PHY Schematic
RS232 Serial Interface
The board uses the ADM3202 transceiver chip and a 9-pin D-SUB
connector for RS-232 communications.
below lists RS 232
Serial Interface board reference and manufacturing information.
TD-
ACTIVITY
TXD0
TXD1
TXD2
TXD3
SPEED
ACTIVITY
RD-
PFBOUT
SPEED
ACT
PFBOUT
SPE
DUPLEX
RXD0
RXD1
TD+
RXD2
RXD3
RD+
RX_CLK
RX_DV
RX_ERR
RX_CRS
RX_COL
RXD[0..3]
TX_CLK
MDIO
TXD[0..3]
MDC
ETH_RESET_N
TX_EN
VCC33
E_AVCC33
VCC33
E_AGND
E_AGND
E_AGND
E_AGND
VCC33
E_AGND
E_AVCC33
VCC33
VCC33
E_AVCC33
E_AGND
E_AVCC33
E_AGND
E_AGND
VCC33
E_AGND
VCC33
E_AVCC33
ACTIVITY
100Mbps
DUPLEX
R28
49.9
R28
49.9
BC9
0.1U
BC9
0.1U
R26
2.2K
R26
2.2K
R30
49.9
R30
49.9
R23
33
R23
33
R20
33
R20
33
BC12
0.1U
BC12
0.1U
R13
120
R13
120
BC13
0.1U
BC13
0.1U
BC11
0.1U
BC11
0.1U
U2
DP83848C
U2
DP83848C
TX_
C
LK
1
TX_
E
N
2
TXD
_0
3
TXD
_1
4
TXD
_2
5
T
X
D_3
/S
N
I_M
O
DE
6
P
W
R
_DO
W
N
/I
NT
7
TC
K
8
TD
O
9
TM
S
10
TR
ST#
11
TD
I
12
RD-
13
RD+
14
AGND
15
TD-
16
TD+
17
PFBIN1
18
AGND
19
RESERVED
20
RESERVED
21
AVDD33
22
PFBOUT
23
RBIAS
24
25M
H
z_O
UT
25
LE
D
_AC
T/
C
O
L/
AN
_E
N
26
LE
D
_SPEE
D
/AN
1
27
LE
D_L
INK
/A
N
0
28
R
ESET
_N
29
MD
IO
30
MD
C
31
IO
V
D
D3
3
32
X2
33
X1
34
IOGN
D
35
DG
ND
36
PFBIN2
37
RX_CLK
38
RX_DV/MII_MODE
39
CRS/CRS_DV/LED_CFG
40
RX_ER/MDIX_EN
41
COL/PHYAD0
42
RXD_0/PHYAD1
43
RXD_1/PHYAD2
44
RXD_2/PHYAD3
45
RXD_3/PHYAD4
46
IOGND
47
IOVDD33
48
BC6
0.1U
BC6
0.1U
R29
49.9
R29
49.9
R11
1.5K
R11
1.5K
R18
33
R18
33
DUPLEX
LEDR
DUPLEX
LEDR
R37
2.2K
R37
2.2K
BC8
0.1U
BC8
0.1U
R14
1K
R14
1K
R12
120
R12
120
R24
4.7K
R24
4.7K
C9
10U
C9
10U
C8
10U
C8
10U
R27
49.9
R27
49.9
BC7
0.1U
BC7
0.1U
R21
33
R21
33
BC14
0.1U
BC14
0.1U
R33
33
R33
33
R31
33
R31
33
BC5
0.1U
BC5
0.1U
R16
33
R16
33
C6
10U
C6
10U
R34
33
R34
33
C7
10U
C7
10U
R19
33
R19
33
R17
33
R17
33
Y1
25MHZ
Y1
25MHZ
VCC
4
OUT
3
GND
2
EN
1
R35
33
R35
33
R22
33
R22
33
YELLOW
GREEN
J5
RJ45INTLED
YELLOW
GREEN
J5
RJ45INTLED
CTT
4
RD-
6
CTR
5
TD-
2
TD+
1
RD+
3
NC
7
CHSG
8
SM
N
T
0
13
SM
N
T
1
14
MN
T
1
15
MN
T
0
16
D1
9
D2
10
D3
11
D4
12
R32
33
R32
33
R25
2.2K
R25
2.2K
BC15
0.1U
BC15
0.1U
R36
33
R36
33
R15
33
R15
33
BC10
0.1U
BC10
0.1U
Table 2–14. RS232 Serial Interface Manufacturing Information
Board
Reference
Device Description
Manufacturer
Manufacturer Part
Number
Manufacturer
Website
U5
High-Speed, 2-Channel
RS232/V.28 Interface Devices
Analog Devices
ADM3202
www.analog.com