SI2414 SILABS [Silicon Laboratories], SI2414 Datasheet - Page 11

• Manufacturer Part Number: SI2414
• Manufacturer: SILABS [Silicon Laboratories]

CLKOUT/A0
FSYNCb/D6
C35
RTSb/AD7
RXD/RDb
TXD/WRb
CTSb/CSb
RESETb
C10
2
C27
Y1
C26
1
10
11
12
1
2
3
4
5
6
7
8
9
VCC
CLKIN/XTALI
XTALO
CLKOUT/A0
FSYNC/D6
VD3.3
GND
VDA
RTS/D7
RXD/RD
TXD/WR
CTS/CS
RESET
Decoupling caps for U1 VD
ESC/D3
DCDb/D4
SDO/D5
Si2456/33/14
AOUT/INTb
INTb/D0
RIb/D1
SDI/D2
U1
AOUT/INT
SDO/D5
DCD/D4
ESC/D3
SDI/D2
INT/D0
VD 3.3
RI/D1
ISOB
GND
VDB
C1A
24
23
22
21
20
19
18
17
16
15
14
13
C37
C36
C3
R27
Z4
D3
C30
C1
C4
Note 1: R12, R13 and C14 are only required if complex AC termination is used (ACT bit = 1).
Note 2: See "Ringer Impedance" section for optional Czech Republic support.
Note 3: See "Billing Tone Immunity" section for optional billing tone filter (Germany, Switzerland, South Africa).
Note 4: See Appendix for applications requiring UL 1950 3rd edition compliance.
Note 5: R27, R28, D3, D4, Z4, Z5, RV2 may be populated for enhanced lightning option.
Note 6: L1,L2, C38, C39, R31, R32 are for EN55022/CISPR-22 Conducted Disturbance compliance.
R28
Refer to AN48 for Layout Guidelines
Please submit layout to Silicon Labs
for review prior to PCB fabrication.
C9
1
2
3
4
5
6
7
8
TSTA/QE2
TSTB/DCT
IGND
C1B
RNG1
RNG2
QB
QE
C18
C19
Si3015
DCT/REXT2
U2
NC/VREG2
D4
TX/FILT2
NC/FILT
NC/REF
VREG
REXT
C8
C7
Z5
RX
C13
16
15
14
13
12
11
10
9
C6
R10
R9
C12
C16
+
R11
C14
R12
RV2
+
D2
D1
R13
R2
C5
R26
R25
C22
R18
Z1
R24
C25
Q4
C24
R5
C39
C38
Q1
L2
L1
R32
Q2
R31
Q3
C20
R6
FB2
FB1
RV1
RING
TIP