u-blox ANTARIS 4 - TIM-4 x Design

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your position is our focus
3.3 TIM-4 esx D ign
ForaminimalDe wit TIM-4xthefollowing nctionsandpinshavetobeconsidered:
• ConnectthePowersupp
• Assureaoptimalground allg
• ConnecttheantennatoRF_INoveramatc e antennasupplyforactive
ennas(internalor te supply
• IfyouneedHot-orWarm yourappli
• Decidewhether TIMEPULSE,RESETorBOO ctthe
ropriate on
This is a minimal setup for a S
 receiver ecial functions and
designrequirementsinTable 6.
sign h fu
lytoVCC.
connectionto roundpins
hing50Ohmmicrostripanddefineth
ant ex rnalpower
startin
)
cation,connectaBackupBatterytoV_BAT
TMODEoptionarerequiredin yourapplicationandconne
 with TIM-4x modules. Now check about sp
app pins yourmodule
 PVT GP

GND
RF_IN
GND
V_BAT
16
17
18
19
20
30
29
28
27
26
25
24
23
22
21
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
VCC
GND
RxD2
TxD1
RxD1
BOOT_INT
GND
GND
GND
GND
GND
Vcc
Micro
Processor
(serial)
Passive Antenna
TIM-4 M S
GPSMODE3
VDD18OUT
RESET_
AADET_N
GPSMODE6
NC
TIME
NC
EXTIN
GPSMO
GPSMODE12
V_AN
VCC_RF
GND
V_BAT
A/ TI -4
GPSMODE5
TxD2
N
PULSE
T0
DE2
T
Backup
Battery
+
RF_IN
GND
16
17
18
19
20
30
29
28
22
21
15
14
13
27
26
25
24
23
12
11
1
2
3
4
5
6
7
8
9
10
RxD2
RxD1
VCC
GND
GND
GND
GND
TxD1
BOOT_INT
GND
GND
Vcc
Micro
Processor
(serial)
Passive Antenna
TIM-4P/TIM-4H
EXTINT1/ P13
SCK1/ P17
18OUT
RESET_N
AADET_N
V_ANT
TxD2
PCS0_N/ SS_N/ P26
SCK/ P23
VDD
VCC_RF
TIMEPULSE
MOSI/ P24
PCS3_N/ P29
EXTINT0/ P9
PCS1_N/ P27
Backup
Battery
+

ve Antenna ign for TIM-4x ReceiveFigure 38: Passi Des rs
Function
PIN
(TIM)
I/O Description Remarks
Power
  

VCC
1 I SupplyVoltage
MaxallowedrippleonVCC=50mVpp
GND
2,11-
16,18
I Ground
toSection 0)
AssureagoodGNDconnectiontoallGNDpinsofthemodule,preferablywith
alargegroundplane(fordetailsrefer
VDD18OUT
10 1.8Vsupplyoutput
1.8Voutputvoltagereference.Leaveopenifnotused.
O
VBAT
21 I
Backupvoltage
supply
It’srecommendedtoconnectabackupbatterytoV_BATinordertoenable
tfeaturesonthereceivers.SeealsoSection 4.2.2.WarmandHotStar
OtherwiseconnecttoGND.
GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) Design-In
GPS.G4-MS4-05007-A1
  Page 47