Silicon Laboratories SI2493/57/34/15/04 - Manual (Page 14)

Si2493/57/34/15/04
Global ISOmodem-EVB
14 Rev. 0.6
RXCLK DC
D
b
ESC AOUT RXD R
E
S
ETb
XT
A L
I
XT
A
L O XT
A
L I
XT
A L
O
RXD RTSb R
E
S
ETb
DC
D
b
RXD TX
C
L K
RTSb
IN
Tb
ESC RI
b
E
ESD
AOUT
CL
K
O
U
T
CL
K
O
U
T
TX
D
TX
D
CTSb
CTSb
TX
D
CTSb
VD
A VD
A
TX
C
L
K
RXCLK
RXCLK
E
ESD
RI
b
AOUT TX
C
L
K
IN
Tb
ESC
R
E
S
ETb
DC
D
b
DC
D
b
IN
Tb
RI
b
AOUT E
ESD
VDD
VDD
VDD
C1A C2A
C1
A
C2
A
TIP RING
C1A C2A
Overlap
the 16-pin SOIC and 24-pin TSSOP
TXD G P I
O5/RIb/TXCLK
- RXD CTSb S i2401 G PIO3/ESC - G P IO2/DCDb
R ESETb - G P I
O1/EOFR/RXCLK
-
"Si24x
x2G-DC Rev. 1.0 ISOmodem TM"
-
T
h e
se components
f
o r
internal
S
i l
abs use only.
G P I
O4/INTb/AOUT
J P
1 Function Pin 1 3 5 7 9 11 13 2 4 8 10 12 14 16
T
h e se components
f
o r internal
S
i l abs use only.
R2
0
R2
3
C41
R1
8
1.
3 k
C52
C5
1
R1
9
0
JP
2
C40
U3
CLKIN/XTALI
1
XTALO
2
CLKOUT/A0/EECS
3
alt_RI/D6/TXCLK
4
VD3.3 5 GND 6
VDA 7
RTS/D7
8
VDB 19
GND 20 VD 3.3 21
C2A
13
C1A
14
ESC/D3
22
DCD/D4
23
EECLK/D5/RXCLK
24
CTS/CS/ALE
11
RXD/RD
9
TXD/WR
10
RESET
12
RI/D1
17
EEIO/D2
18
AOUT/INT
15
INT/D0
16
C5
0
C55
Y1 1 2
R2
1
C5
3
U1
Si2401
CLKIN/XTALI
1
XTALO
2
GPIO5/RI/TXCLK
3
VD3.3 4
RXD
5
TXD
6
CTS
7
RESET
8
C2A
9
C1A
10
GPIO4/INT/AOUT
11
GND 12
VA 13
GPIO3/ESC
14
GPIO2/CD
15
GPIO1/EOFR/RXCLK
16
+
C54
R2
2
JP
1 H
EAD
E
R
8
X
2
1 3 5 7 9 11 13 15
2 4 6 8 10 12 14 16
C5
6
FB
5
Figure
11.
Si2
4
93
/57/34
/1
5/04
Sc
hema
tic