PT9250_10 Datasheet, PDF (2/4 Pages) Princeton Technology Corp – 48-channel Single Chip GPS Receiver

APPLICATION CIRCUITS
3V3
RJ1,RJ2,RJ3,RJ4,RJ5,RJ6 are just for ICE application
If there is no ICE application,
tie K2, K3, K5 and K6 to GND and let K4 open
RJ1 RJ2 RJ3 RJ4
1K 1K 1K 1K
U1
L2
L3
MODE0
MODE1
3V3
GND
3V3
C1 C2
1uF 100nF
JTCK
JTMS
JTDO
JTDI
JRST
1V2
RJ6 300R
RJ5
1K
1V2
Route this wire thiner
and make it have some
noise reduction
C27
10uF
1V2
C3 C4
1uF 100nF
3V3
VBAT
U2
VBAT 1
VIN
VOUT
2
VRTC
3
VSS
XC6215P122H
C5
100nF
K2
K3
K4
K5
K6
ICE_CLK
ICE_TMS
ICE_TDO
ICE_TDI
ICE_RST
H1
J1
J2
PLLTKO
AVDD_PLL
AVSS_PLL
D4
E4
H8
H9
F5
J6
J9
J10
VDD_K
VDD_K
VDD_K
VDD_K
VSS_K
VSS_K
VSS_K
VSS_K
E5
E6
F6
G5
G7
H7
D5
F4
H5
J3
J4
J5
VDD_IO
VDD_IO
VDD_IO
VDD_IO
VDD_IO
VDD_IO
VSS_IO
VSS_IO
VSS_IO
VSS_IO
VSS_IO
VSS_IO
3V3
AVDD
R1 33R
DVDD
R2 150R
LED
RXA
TXA
P1PPS
C7
B7
A8
D6
LED
A7
C6
B6
D7
RXA
C5
TXA
B5
C4
B4
K10
L10
M10
P1PPS
J7
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
GPIO13
GPIO14
GPIO15
C6
C7
1uF
1uF
SGN
MAG
CP
K9
K8
K7
AFE_SGN
AFE_MAG
AFE_CLK
N8
P1
P10
NC
NC
NC
DVDD
4
1
U5
VDD OUT
IN GND
TCXO
3 ^{C8 100pF}
2
DVDD
C9 1uF
C10 1uF
C11 56pF
RFXO
VB
RFPLL
L9
L8
M7
L7
L5
L6
M6
M4
L4
M5
K1
L1
M3
M2
M1
N4
P2
SGN
MAG
AOK
CP
DVSS
RF_GND
DVDD
RF_GND
RFXEN
RF_GND
RFXO
RFXI
VB
RFPLL
AON
RF_GND
LNI
C12 390pF R3 22K
PT9250
3V3
C13 100nF
L1
4.7nH
3V3
R4
33R
C14 10nF
C15 100pF
ANT
ANT
C10 56pF ₁
U3
IN
VCC
4
For match 50 Ohmof antenna input impedance,
tryto adjust L1 and c10
2
GND OUT
3
TA4020FT
C16
1
27pF
U4
SAWTEK856561
IN OUT
L2
6.8nH
C17
1.5pF
4
PT9250
E_A0
E_A1
E_A2
E_A3
E_A4
E_A5
E_A6
E_A7
E_A8
E_A9
E_A10
E_A11
E_A12
E_A13
E_A14
E_A15
E_A16
E_A17
E_D0
E_D1
E_D2
E_D3
E_D4
E_D5
E_D6
E_D7
E_D8
E_D9
E_D10
E_D11
E_D12
E_D13
E_D14
E_D15
E_RP
E_WR_n
E_RYBY
VDD_F
VSS_F
VSS_F
E_BYTE
E_CS_n
E_OE_n
RTC_VDD
RTC_XI
RTC_XO
RTC_VSS
VDEC
REG_1V2
REG_VDD
REG_EN
REG_VSS
CFG3
SYS_RST_n
P0
P1
AGCCAP
RF_MODE
IF2N
IF2P
RF_GND
IF1N
IF1P
VBG
RFIN
RF_GND
AVDD
LNO
PVDD
ISNS
RF_GND
G9
H2
H3
H4
G3
G2
F3
G4
E2
E1
D3
D2
D1
C3
B3
A1
A10
G1
F8
G10
G6
F10
D10
C9
C8
B9
F9
E8
E9
E7
D8
C10
B8
B10
F1 RESET
E3
F2
E10
D9
F7
A9
G8
H10
A3 VRTC
A4 XI
A5 XO
A6
3V3
R6
33K
C26
1uF
3V3
3V3
C25 10pF
R5
10M
U6
32K768
C2
C1
B1
1V2
C24 10pF
A2
B2
3V3
C24, C25 need to be adjusted according to XTAL and layout
turning for 32.768KHz frequencyis required
J8
H6 RESET
DVDD
M9
C23 1nF
N9
M8
AGCCAP
N7
N10 IF2N
C22
L5
P9
IF2P
36pF
1.5uH
N3
P8
IF1N
P7
IF1P
P6
VBG
C21
36pF
P5
RFIN
N6
P3
P4 LNO
AVDD C20 1uF
N1
N2
C19 1nF
N5
C18
1.5pF _L3
4.7nH
L4
1.5uH
PT9250 Application Circuit
V1.3
2
September, 2009