STMicroelectronics UM2322 User Manual page 16

CN1
3
GND
R1
5 1 60
GND RF
4
0R
GND
2
GND
C2 C5 RTS 37
SMA-J-P-H-ST-EM1 5.1pF 5.1pF CTS 36
TXD 35
RXD 34
GND GND GND
7
6
5
4
41
40
RI 39
38
17
DTR 30
28
27
DTC043ZEBTL Q4 26
23
22
RST 1 11
C32 14
100nF
13
12
GND
GND
Figure 6. Expansion board modem
U3
UG96
32
RF_ANT VBAT_BB
33
VBAT_BB
UART_RTS
53
UART-RCS VBAT_RF
52
UART-TXD VBAT_RF
UART-RXD
51
VRTC
PCM_DOUT_MIC1N
8
PCM_DIN_MIC1P USB_VBUS
PCM_SYNC_MIC2N
9
PCM_CLK_MIC2P USB_DP
10
USB_DM
15
I2C_SDA PWRKEY
16
I2C_SCL PWRDWN_N
RI
47
DCD USIM_GND
46
RESET_N USIM_CLK
45
DTR USIM_DATA
44
Reserved_SIM2_VDD USIM_RST
43
Reserved_SIM2_CLK USIM_VDD
42
Reserved_SIM2_DATA USIM_PRESENCE
reserved_DBG_TXD
19
reserved_DBG_RXD AP_READY
20
Reserved-SPK1N STATUS
21
Reserved-LOUDSPKP NETLIGHT
25
Reserved-LOUDSPKN CLK_OUT
29
Reserved-SPK1P VDD_EXT
GND
sim_GND
sim_GND
sim_CLK
sim_CLK
sim_Data
sim_DATA
sim_RST
sim_RST
PWRen
PWRen
RST
RST
RI
RI
DTR
DTR
RXD
RXD
CTS
CTS
TXD
TXD
RTS
RTS
STA
STA
Q3 DTC043ZEBTL
3 2
GND
VBAT
VBAT
USB_VBUS
USB_D_N
C1
USB_D_P
100nF
USB_VBUS
GND
USB_D_P
USB_D_N
pwr
sim_GND GND
sim_CLK
sim_Data
sim_RST
VDD_SIM
2
GND
STA
NETLIGHT
VDD_EXT
VDD_EXT
VCC
VBAT
R14
2K2
LD2
LG Q396-PS-35
Q2
DTC043ZEBTL
NETLIGHT 1
GND
PWRen
CN2
1
VBUS
2
DM
3
DP
4
ID
5
GND
SH1
SH1
SH2
SH2
EXP1
EXP1
EXP2
EXP2
10104111-0001LF
VBAT
R13
2K2
LD1
LS Q976-NR-1
Q1
DTC043ZEBTL
STA 1
GND
Title: UG96_Modem
Project: C2C
Variant: [No Variations]
Revision: B 02 - Reference: MB1329
Size: A4 Date: 01-JAN-16 Sheet: 3 of 6