A
1
2
3
4
5
B
C
D
E
F
G
(No.RA054<Rev.001>) 2-14
2-14 (No.RA054<Rev.001>)
TX-RX UNIT
(XC1-182, XC1-183) CN2
ANT UNCONNECTED:3.30V
ANT CONNECT:3.13V
GPS ANT
MODULE UNIT (BT/GPS) (XC2-004)
1.80V
3.32V
1.80V
0V
ANT UNCONNECTED:3.30V
ANT CONNECT:3.13V
3.30V
3.30V
0V
1.80V
1.80V
3.30V
3.20V
5.30V
3.32V
3.31V
1.80V
3.17V
5.34V
0V
0V
CONVERTER
LEVEL
IC7
CONVERTER
LEVEL
IC6
IC1
CONVERTER
LEVEL
GPS/BLUETOOTH
REGULATOR(33GPS)
VOLTAGE
IC4
REGULATOR(18BT)
VOLTAGE
IC2
IC3
DC SW
REGULATOR(33BT)
VOLTAGE
19.2MHz
1.8V
3.3V
3.3V
3.3V
1.8V
MSL
MSL-SL-MSL
MSL
33GPS
to ADC
to ADC
(3216)
3.3V
BT ANT
18BT
33BT
33BT
18BT
1.8V
33BT
1.8V
3.3V
18BT
SAW FILTER
GPS
GPS&BT RTC
GPS_ALM
GPS_PA_EN_LV
18BT_TX
BT_SW
/BT_SHUTDOWN
GPS_ANT_SW
GPS_PWR
GPS_P
A_EN
BCLK
33BT
18BT_RX
18BT_HCI_TX
18BT_HCI_RX
RXD2
TXD2
RTS2
CTS2
BT_AUD_DI
BT_AUD_DO
WCLK
BCLK
WCLK
BT_AUD_DO
BT_AUD_DI
R
TS2
CTS2
TXD2
RXD2
18BT_AUD_IN
18BT_AUD_CLK
18BT_AUD_OUT
18BT_AUD_FSYNC
18BT_HCI_R
TS
18BT_TX
18BT_HCI_CTS
18BT_RX
18BT_HCI_RX
18BT_HCI_CTS
18BT_HCI_R
TS
18BT_AUD_FSYNC
18BT_AUD_IN
18BT_AUD_OUT
18BT_HCI_TX
18BT_AUD_CLK
L14
L13
2.2n
L15
0
R29
0
R27
CN8
47p
C50
Vo
U
T
3
VIN
4
GND
2
CoNTRoL
1
NJM2878F4-33
IC4
CN9
5
6
7
8
4
3
2
1
10*4
CP1
5
6
7
8
4
3
2
1
10*4
CP2
0.1u
C49
0.1u
C48
0.1u
C46
0.1u
C47
CN7
0
R26
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN1
F10-3226-05
E1
10k
R3
0
R18
0
R21
10k
R2
B1
16
B2
15
B3
14
B4
13
DIR3
12
OE
11
GND
10
DIR4
9
A4
8
A3
7
A2
6
A1
5
DIR1
4
VCC(A)
3
VCC(B)
2
DIR2
1
74AVC4TD245GU
IC1
0.47u
C7
18p
C40
1000p
C25
1k
R15
1000p
C26
1k
R19
1000p
C27
0.1u
C29
0.1u
C24
1000p
C23
1k
R14
0.1u
C3
100k
R9
100k
R10
CN6
BT_TX_DBGX
CN3
GPS_PPS_OUT
CN2
CN4
10
R16
27n
L6
L2
CE
6
VSS
5
NC2
4
VoUT 3
NC1 2
VIN 1
IC3
EM6M2
Q1
10p
C9
22p
C8
0
R23
0
R24
47k
R13
47k
R12
0.1u
C4
VCC 4
oUTPUT 3
GND
2
VCoNT
1
L77-3123-05
X1
1p
C68
CN5
0.47u
C2
1k
R11
1k
R8
L3
STBY
3
VIN
4
GND
2
VoUT
1
BU18TD2WNVX
IC2
1u
C5
0.47u
C1
L1
0.47u
C6
(-71)
10n
L7
0.1u
C44
0.1u
C45
B1
16
B2
15
B3
14
B4
13
DIR3
12
OE
11
GND
10
DIR4
9
A4
8
A3
7
A2
6
A1
5
DIR1 4
VCC(A) 3
VCC(B) 2
DIR2 1
74AVC4TD245GU
IC7
GND1
GND2
oUT
IN
L11
B1
16
B2
15
B3
14
B4
13
DIR3
12
OE
11
GND
10
DIR4
9
A4
8
A3
7
A2
6
A1
5
DIR1 4
VCC(A) 3
VCC(B) 2
DIR2 1
74AVC4TD245GU
IC6
10k
R25
10k
R22
2
3
5
4
1
L9
100
R7
100
R4
100
R1
1u
C31
18p
C18
18p
C19
RN262CS
D18
RN262CS
D17
0.1u
C11
0.1u
C34
1u
C15
L8
0.1u
C33
L4
0.1u
C14
VSS_RF_BT
B10
VSS_DCo_BT
A9
VDD_RF_BT
B9
BT_TESTTM
A10
VDD1P8_FM
J8
VSS_PASYNTH_FM
J10
VBA
T1
A2
VDD1P8V_2
A3
VDDS1
B3
BT_AUD_CLK
D1
BT_AUD_FSYNC
D2
BT_AUD_IN
D3
BT_AUD_oUT
C3
BT_HCI_UAR
T_TX
A4
BT_HCI_UAR
T_RX
B5
BT_HCI_UAR
T_CTS
B4
BT_HCI_UAR
T_R
TS
B7
BT_HoST_W
AKEUP
A5
BTFM_nSHUTDoWN
A6
VDD_DIG1
E5
VSS_DIG6
B6
BT_GPIo[6]
H5
BT_GPIo[5]
D7
BT_GPIo[4]
C5
BT_GPIo[3]
D6
BT_GPIo[2]
C7
BT_TESTTP
B8
VSS_DPLL_BT
A7
VDD_DCo_BT
A8
BT_RF
C10
VDD1P8V_BT
C8
VDD_LDoIN_CLASS1P5_BT
D8
VDD_CLASS1P5_BT
D9
VDD_PPAIF_BT
D10
REF_CLK_LV
E7
REF_CLK_HV
E8
BT_WAKEUP
H10
VSS_REF_CLK
E9
VSS_DIG3
E10
VDD_SRAM1
F9
VDD_DIG4
F10
VSS_DIG1
G9
VDDS2
G10
FM_I2C_SDA
E6
FM_I2C_SCL
F6
FM_IRQ
G6
FM_I2S_CLK
F8
FM_I2S_FSYNC
F7
FM_I2S_oUT
G7
FM_I2S_IN
G8
FM_AUD_IN_L
H7
FM_AUD_IN_R
H8
RTC_CLK
H9
VSS_LNA_GPS3
K2
TEST_EN
L10
VSS_P
A_FM
J9
FM_RFP_oUT
K9
FM_RFP_IN
L9
VSS_RF_FM
K8
FM_ABGAP_CAP
L8
VSS_ADCPLL_FM
J7
FM_AUD_oUT_R
K7
FM_AUD_oUT_L
L7
REF_CLK_REQ
J6
VDD_DIG3
K6
VPP
L6
VSS_DIG4
J5
VDDS3
K5
VDD_SRAM2
L5
CLK_REQPoL
G4
VSENSE
J4
IFoRCE
L4
GPS_I2C_UAR
T_SEL
H4
GPS_P
A_EN
G3
GPS_EXT_LNA_EN
H6
GPS_IRQ
G5
VSS_MIX_GPS
K3
VDD_IF_GPS
K4
VSS_LNA_GPS2
L3
GPS_LNA_IN
L2
VSS_LNA_GPS1
L1
VDD_PLL_GPS
J2
VSS_PLL_GPS
J1
VDD1P8_GPS
J3
GPS_TP
H3
GPS_TM
H2
GPS_UART_TX
F5
GPS_UART_RX
E3
GPS_SENS_I2C_SCL
F4
GPS_SENS_I2C_SDA
E4
GPS_nSHUTDoWN
D5
GPS_TIMESTAMP
C6
GPS_PPS_oUT
C4
TCXo_LDo_IN
H1
VSS_DIG2
F3
VDD_DIG2
F2
VDD_TCXo
G1
VSS_TCXo_CLK
G2
TCXo_CLK_LV
F1
TCXo_LDo_VPRoG
E1
VDDS4
E2
TCXo_CLK_REQ
D4
VSS_DIG5
C2
VDD_SRAM_LDo
C1
VDD_DIG_LDo
B2
VDD1P8V_1
B1
PMTEST_1P8V
A1
IC5
0.1u
C13
1u
C10
0.1u
C39
0.1u
C22
0.1u
C30
1u
C21
0.1u
C28
0.1u
C35
0.1u
C17
0.1u
C16
0.1u
C12
22p
C37
0.1u
C32
L5
1u
C20
2.5p
C38
-32.768000k
L77-3121-05
@C-FRE
X2
22p
C36
MSL
MODULE (BT/GPS) UNIT (XC2-0040-10 (NX-3720H(G), NX-3720(G), NX-3820H(G), NX-3820(G)))
Summary of Contents for NX-3720
Page 188: ...MEMO No RA054 Rev 001 2 20 ...