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I2C
EEPROM
Parallel FLASH
4-32 MBit
VDD_C
VDD_B
VDD_USB
C4
C5
1.65...3.6 V
C9
C16
VDD_IO1
V_BCKP
V_RUN
V_DCDC
V_TH
V_RESET
DCDC_EN
1.4...3.6 V
1.4...3.6 V
LDO
LDO
Master Reset
I/O Reset
VDD_B Reset
VDD_C Reset
C6
C7
C8
C3
VDD_C1
VDD_PLL
VSS_PLL
VDD_B
PLL
VDD_B
RTC_XTAL_I
RTC_XTAL_OUT
BB_I_P
BB_I_N
BB_SLEEP_N
BB_Q_P
BB_Q_N
BB_CLK_P
BB_CLK_N
PIO0 / BB_SDA
PIO 1 / BB_SCL
PIO2 / SDA2
PIO3 / SCL2 / EM_A22
PIO4 / RXD1
PIO5 / TXD1
PIO6 / SS_N / SCS0_N
PIO8 / EXTINT1
PIO7 / EXTINT0
PIO9 / PER_RESET_N
PIO10 / ANT_DETECT
PIO11 / ANT_OFF / TXD2
PIO12 / ANT_SHORT / RXD2
PIO13 / CFG_CLK0 / EM_A0
PIO14 / CFG_CLK1
PIO15 / CFG_CLK2 / EM_A18
PIO16 / CFG_FFU0 / EM_A19
PIO17 / CFG_FFU2 / EM_A20
PIO18 / CFG_FFU3 / EM_A21 / TIMEPULSE2
VDD_IO0
PIO19 / CFG_COM0 / MOSI
PIO20 / CFG_COM1 / MISO
PIO21 / CFG_GPS0 / SCK
PIO22 / CFG_GPS1
PIO23 / CFG_GPS2
PIO24 / CFG_FFU1
EM_A[17:1]
EM_D[15:0]
CS2_N
OE_N
WE_N
VDD_C0
R2
VDD_USB
USB_DP
USB_DM
TCK
SAFEBOOT_N / TDI
TIMEPULSE / TDO
CFG_PIN / TMS
VDD_C
1k5
Suspend
LNA_IN
LNA_OUT
PLL
RF_SLEEP_N
RF_I_P
RF_I_N
RF_Q_P
RF_Q_N
RF_CLK_P
RF_CLK_N
RF_SDA
RF_SCL
VDD_3V
LDO1
VDD_RF
C15
2.5...3.6 V
C11
1.75...2.0 V
C13
C12
LDO2
LDO3
LDO2_OUT
VDD_SYNTH
VDD_ANALOG
VDD_LNA
C14
IBIAS
VDCTEST
R1
FB1
MIX_IN_N
MIX_IN_P
LDO
PLL
XTAL_I
XTAL_O
TCXO_POWER
TCXO_EN
F1
C2
L1
C1
C20
C19
Y2
LDO
C23
C19
R11
R4
R5
D2
D+
D-
VBUS
USB Device Connector
C22
C21
Y1
TCXO
TCXO
C10
Y1
TCXO
C10
Y1
1.4...3.6 V
3.0...3.6 V
C18
1.4...3.6 V
Backup
Supply
Main Supply
BB Supply
RF Supply
BB Supply
RF Supply
Main Supply
Main Supply
Main Supply
I/O Supply
I/O Supply
I/O Supply
I/O Supply
I/O Supply
I/O Supply
I/O Supply
DC/DC
A[16:0]
D[15:0]
CS_N
OE_N
WE_N
A20
A19
A18
A17
VDD
VDD_IO
Serial FLASH
SI
SO
SCK
CE_N
VDD
VDD_IO
WP_N
Host
MO
MI
SCK
SCSx_N
VDD
VDD_IO
R20
R21
VDD_IO
SCL
SDA
VDD
VDD_IO
R4
R5
D+
D-
VBUS
USB Device Connector
3.0...3.6 V
EN
LDO
C23
C19
R4
R5
D2
D+
D-
VBUS
USB Device Connector
3.0...3.6 V
LDO
C23
C19
R4
R5
D2
D+
D-
VBUS
USB Device Connector
3.0...3.6 V
DC/DC
EN
DC/DC
EN
DC/DC
EN
DC/DC
EN
DC/DC
EN
DC/DC
EN
Main Supply
DC/DC
EN
F1
EN
F1
EN
C2
L1
C1
D1
C2
L1
F2
C25
L2
R34
R39
R38
R34
Antenna
Supply
T31
R31
U32.1
U32.2
VDD_IO
VDD_IO
U31
LNA
LNA
LNA
LNA
C25
L2
R34
R34
Antenna
Supply
T31
C25
L2
R34
Antenna
Supply
A0
A1
A2
WP
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor