Ublox SARA-R4 Series System Integration Manual

SARA-R4/N4 series - System Integration Manual
UBX-16029218 - R11 Appendix Page 146 of 157
No
SARA-G3
Pin Name
Description
SARA-U2
Pin Name
Description
SARA-R4
Pin Name
Description
SARA-N2
Pin Name
Description
Remarks for migration
16
GPIO1 / RSVD
GPIO (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 6 mA
GPIO1
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 6 mA
GPIO1
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
GPIO1
GPIO
V_INT level (1.8 V)
Configurable as secondary
UART data output: TestPoint
recommended for diagnostic
Diverse driver strength
TestPoint recommended for N2
17
RSVD
Reserved
VUSB_DET
5 V, USB Supply Detect Input
VUSB_DET
5 V, USB Supply Detect Input
RSVD
Reserved
USB detection vs Reserved;
TestPoint recommended for
U2/R4
18
RESET_N
Reset input
Internal diode & pull-up
L-level: -0.30 V ÷ 0.30 V
H-level: 2.00 V ÷ 4.70 V
Reset L-level pulse time:
50 ms min (G340/G350)
3 s min (G300/G310)
RESET_N
Abrupt shutdown/reset input
10 k internal pull-up
L-level: -0.30 V ÷ 0.51 V
H-level: 1.32 V ÷ 2.01 V
Reset L-level pulse time:
50 ms min
RESET_N
Abrupt shutdown input
37 k internal pull-up
L-level: -0.30 V ÷ 0.35 V
H-level: 1.17 V ÷ 2.10 V
OFF L-level pulse time:
10 s min
RESET_N
Reset input
78 k internal pull-up
L-level: -0.30 V ÷ 0.36*VCC
H-level: 0.52*VCC ÷ VCC
Reset L-level pulse time:
500 ns min
Diverse internal pull-up
Diverse voltage levels.
Diverse timings.
Diverse functions supported.
TestPoint always recommended
19
RSVD
Reserved
CODEC_CLK
13 or 26 MHz Output
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 4 mA
GPIO6
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
RSVD
Reserved
Clock / GPIO vs Reserved
20
GND
Ground
GND
Ground
GND
Ground
GND
Ground
21
GND
Ground
GND
Ground
GND
Ground
GND
Ground
22
GND
Ground
GND
Ground
GND
Ground
GND
Ground
23
GPIO2 / RSVD
GPIO (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Default: GNSS supply enable
Driver strength: 6 mA
GPIO2
GPIO
V_INT level (1.8 V)
Default: GNSS supply enable
Driver strength: 1 mA
GPIO2
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
RSVD
Reserved
GPIO vs Reserved

Ublox SARA-R4 Series Specifications

General

Brand	Ublox
Model	SARA-R4 Series
Category	Control Unit
Language	English