LG MG120a Service Manual page 19

Table 3-2. SI4210 Pin Names and Signal Descriptions
Pin
1
2
3
4,5
6,7
8
9
10
11
12,13,28,29
14,PAD
15
16
17,18
19,20
21,22
23,24
25
26
27
30,31
32
Number(s)
SCLK
SEN
SDIO
BQP,BQN
BIP,BIN
XOUT
PDN
RESET
V
IO
VDD
GND
RFOL
RFOH
RFIPP,RFIPN
RFIDP,RFIDN
RFIEP,RFIEN
RFIAP,RFIAN
XMODE
XDIV
AFC
XTAL2,XTAL1
XEN
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3. TECHNICAL BRIEF
Name
Serial clock input
Serial enable input ( active low)
Serial data input/output
Transmit/receiver Q input/output
Transmit/receiver I input/output
Clock output to baseband
Power down input
Reset pin
Interface supply voltage
supply voltage
Ground
GSM 850 and EGSM 900 output
DCS 1800 and PCS 1900 output
PCS 1900 LNA input
DCS 1800 LNA input,
EGSM 900 LNA input
GSM 850 LNA input
DCXO/VC-TCXO mode enable
XOUT frequency select input
Baseband analog AFC input
Crystal output and input
XOUT pin enable