LR9548S LEADTEK, LR9548S Datasheet - Page 9

GPS RECEIVER MODULE

LR9548S

Manufacturer Part Number
LR9548S
Description
GPS RECEIVER MODULE
Manufacturer
LEADTEK
Datasheet

Specifications of LR9548S

No. Of Channels
20
Frequency Rf
1575.42MHz
Module Interface
Serial
Supply Voltage Range
3.3V To 5V
Termination Type
SMD
Supply Voltage Max
5VDC
Data Rate Max
4800bps
No. Of Pins
28
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Quantity
Price
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LR9548S
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Part Number:
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Manufacturer:
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20 000
Part Number:
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Pin Settings
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
© 2006 Leadtek Research Inc. All rights reserved.
Preliminary Confidential - Information is subject to change without prior notice.
Name
NC
NC
NC
RXDB
RXDA
TXDA
GPIO5
TIMEMARK
NC
GPIO13
GPIO0
GPIO1
GPIO14
GND
VCC_IN
VSTBY
BOOTSEL
RESETN
GPIO15
GND
NC
NC
TXDB
NC
ANTPWR
GND
RFIN
GND
Type
I
I/O
I/O
I
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
PWR
PWR
PWR
I
I
I/O
PWR
I/O
I/O
O
O
PWR
PWR
I
PWR
Description
Not connected, keep floating
TTL UART Port B input. If not used, keep floating
TTL UART Port A output
1 PPS timemark output
Reserved, keep floating
Reserved, keep floating
Reserved, keep floating
Ground
Apply 1.65~5.0V DC for backup RTC & SRAM.
Reset pin, active low, If not used, keep floating
Ground
Not connected
Not connected
Ground
Ground
Not connected, keep floating
Not connected, keep floating
TTL UART Port A input
Reserved, keep floating
Not connected
Reserved, keep floating
3.2~5.0V DC supply input
Pull high for programming mode. If not used, keep floating
Reserved, keep floating
Not connected
TTL UART Port B output. If not used, keep floating
Antenna power input
RF Signal input
LR9548SLP Specifications Sheet Rev. 0.1
Page 8/11

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