Figu re 14 . d augh te r ca rd interface schematic, 18 rev. 0.6 – Silicon Laboratories SI2493/57/34/15/04 User Manual
Page 18
Si2493/57/34/15/04
Global ISOmodem-EVB
18
Rev. 0.6
R
E
SET_
H
RI_H
DCD_H
AO
UT
_H
RING
TIP
TXD
_
H
CLK
OU
T
_
H
IN
T
_
H
EE
S
D
_
H
TXCLK_H
RX
C
L
K
_
H
ES
C_H
RX
D
_
H
CT
S
_
H
RT
S
_
H
EE
CS
_H
E
E
C
LK
_H
VD
VD
P
l
a
ce White Dot
Silk
screen Near Pin 1
TIP and RING
minimum 20 mils wide and as far as possible from ground.
Connec
tors for ISOModem module.
TXD
G
PIO3
RXD
NC
CTS
NC
R
ESET
GND
NC
VD
G
PIO4
G
PIO5
NC
NC
S
i2401
G
PIO2
G
PIO1
T
XD/WR
E
SC/D3
R
XD/RD
E
ESD/D2
C
TS/CS
R
I/D1
R
ESET
GND
I
NT/D0
VD
A
OUT/INT
a
l
t
_RIb/TXCLK/D6
R
TS/D7
C
L
KOUT/A0/EECS
S
i24xx
D
CD/D4
E
E
CLK/D5/RXCLK
TXD
G
PIO1
RXD
G
PIO2
CTS
G
PIO3
R
ESET
GND
G
PIO4
VD
AOUT
15
16
13
14
11
12
9
10
7
8
6
NC
NC
C
LKOUT
S
i2400
1
NC
3
4
5
N
e
t
names correspond to
Si24
xx. See table for
S
i
2
400 equivalents
2
Table
NOT on silkscreen
NC
J
P1/3
R1
7
10
k
JP
2
JP
1
SOCKET 8X2
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
R2
6
1.
3
k
+
C3
1.
0 uF
C4
4
70 pF
FB2
+
C1
1.
0 uF
C2
4
70 pF
Figu
re
14
.
D
augh
te
r Ca
rd
Interface Schematic