Telit Wireless Solutions SL869T3-I, Руководство пользователя

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SL869T3-I Product User Guide
1VV0301546 Rev. 3
Page 27 of 68 2021-03-31
Pad Name Type Description
5 UART1_RX I UART1 Receive
6 UART1_TX O UART1 Transmit
7 WAKEUP I Wake Up from a commanded Standby mode
8 nRESET I Reset (active low)
9 VCC PWR
Internally connected to pin 23.
May be externally connected to the Vcc power
supply.
10 GND GND Ground
11 RF_IN I
GNSS RF Input, 50 Ohm.
See 8.9.2 Burnout Protection
12 GND GND Ground
13 GND GND Ground
14
UART2_TX
BOOT O
I UART2 Transmit
BOOT (at power up)
15 UART2_RX I UART2 Receive
16 ANT2 I Antenna sense 2
17 ANT1 I Antenna sense 1
18 I2C _SDA I/O I2C Data
19 I2C _SCL I/O I2C Clock
20 TX O Primary UART Transmit
21 RX I Primary UART Receive
22 VBATT PWR Battery Backup Supply
23 VCC PWR
Main 3.3 V Supply Voltage. Internally connected
to pin 9.
24 GND GND Ground
Note: All GND pins must be connected to ground
Pins 3, 14, and 20 must be LOW or FLOATING when power is applied (for normal operation)
Pins 3 and 20 must be LOW or FLOATING during RESET.
Hold for 1 second or until the start of the first output message.
Pin 7 is Reserved and should not be connected on part numbers SL869T3I001R001, SL869T3I001T001,
SL869T3I001R002 and SL869T3I001T002.
Table 8-1 SL869T3-I Pin-out Table