Ublox SARA-G450 Series User Manual

SARA-G450 - System integration manual
UBX-18046432 - R08 Appendix Page 130 of 143
C1-Public
A.2 Pin-out comparison: SARA-G3, SARA-G4, SARA-U2, SARA-R4, SARA-N2 modules
Table 49 shows a pin-out comparison between the SARA-R4, SARA-R5, SARA-N2, SARA-N3, SARA-G3, SARA-G4, and SARA-U2 modules.
No
SARA-R41x
SARA-R42x
SARA-R5xx
SARA-N2xx
SARA-N3xx
SARA-G3xx
SARA-G4xx
SARA-U2xx
1
GND
GND
GND
GND
GND
GND
GND
GND
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
2
RSVD
USB_3V3
RSVD
RSVD
V_BCKP
V_BCKP
V_BCKP
V_BCKP
Reserved
USB 3V3 supply Input
TestPoint recommended
Reserved
Reserved
RTC supply I/O
RTC supply I/O
RTC supply I/O
RTC supply I/O
3
GND
GND
GND
GND
GND
GND
GND
GND
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
4
V_INT
V_INT
V_INT
V_INT
V_INT
V_INT
V_INT
V_INT
Supply output:
1.8 V typ
ON when SARA is on
TestPoint recommended
Supply output:
1.8 V typ
ON when SARA is on
TestPoint recommended
Supply output:
1.8 V typ
ON when SARA is on
TestPoint recommended
Supply output:
1.8 V typ
ON when radio is on
TestPoint recommended
Supply output:
1.8 V typ / 2.8 V typ
ON when SARA is on
Voltage value set by VSEL
TestPoint recommended
Supply output:
1.8 V typ
ON when SARA is on
TestPoint recommended
Supply output:
1.8 V typ / 3.0 V typ
ON when SARA is on
Voltage value set by VSEL
TestPoint recommended
Supply output:
1.8 V typ
ON when SARA is on
TestPoint recommended
5
GND
GND
GND
GND
GND
GND
GND
GND
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
6
DSR
DSR
DSR
RSVD
DSR
DSR
DSR
DSR
UART DSR output
V_INT level (1.8 V)
Driver strength: 2 mA
UART DSR output
V_INT level (1.8 V)
Driver strength: 2 mA
Also RTS for 2
nd
UART
UART DSR output
V_INT level (1.8 V)
Driver strength: 5 mA
Also RTS for 2
nd
UART
Reserved
UART DSR output
20
V_INT level (1.8 / 2.8 V)
UART DSR output
V_INT level (1.8 V)
Driver strength: 6 mA
UART DSR output
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
UART DSR output
V_INT level (1.8 V)
Driver strength: 1 mA
7
RI
RI
RI
RSVD
RI
RI
RI
RI
UART RI output
V_INT level (1.8 V)
Driver strength: 2 mA
UART RI output
V_INT level (1.8 V)
Driver strength: 2 mA
Also CTS for 2
nd
UART
UART RI output
V_INT level (1.8 V)
Driver strength: 5 mA
Also CTS for 2
nd
UART
Reserved
UART RI output
V_INT level (1.8 / 2.8 V)
Driver strength: 3 mA
Configurable as GPIO
UART RI output
V_INT level (1.8 V)
Driver strength: 6 mA
UART RI output
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
UART RI output
V_INT level (1.8 V)
Driver strength: 2 mA
8
DCD
DCD
DCD
RSVD
DCD
DCD
DCD
DCD
UART DCD output
V_INT level (1.8 V)
Driver strength: 2 mA
UART DCD output
V_INT level (1.8 V)
Driver strength: 2 mA
Also RXD for 2
nd
UART
UART DCD output
V_INT level (1.8 V)
Driver strength: 5 mA
Also RXD for 2
nd
UART
Reserved
UART DCD output
20
V_INT level (1.8 / 2.8 V)
UART DCD output
V_INT level (1.8 V)
Driver strength: 6 mA
UART DCD output
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
UART DCD output
V_INT level (1.8 V)
Driver strength: 2 mA
9
DTR
DTR
DTR
RSVD
DTR
DTR
DTR
DTR
UART DTR input
V_INT level (1.8 V)
Internal pull-up: ~100 kΩ
Set low for URCs/Greeting
UART DTR input
V_INT level (1.8 V)
Internal pull-up: ~100 kΩ
Set low for greeting text
Also TXD for 2
nd
UART
UART DTR input
V_INT level (1.8 V)
Internal pull-up: ~56 kΩ
Set low for greeting text
Also TXD for 2
nd
UART
Reserved
UART DTR input
21
V_INT level (1.8 / 2.8 V)
UART DTR input
V_INT level (1.8 V)
Internal pull-up: ~33 kΩ
UART DTR input
V_INT level (1.8 / 3.0 V)
Internal pull-up: ~166 kΩ
UART DTR input
V_INT level (1.8 V)
Internal pull-up: ~14 kΩ
Set low for greeting text
20
Not supported by “00” product version
21
Not supported by “00” product version

Ublox SARA-G450 Series Specifications

General

Brand	Ublox
Model	SARA-G450 Series
Category	GSM/GPRS Modules
Language	English