Part Review and Datasheet Validation

flux

Completed the RM1262 / 453-00139R part review and saved the detailed findings in part-review-rm1262-453-00139r.
Open items:
  • Datasheet URL was already set; no update needed.
  • Pin numbers/names match the datasheet’s 47-pin RM126x pinout.
  • Flagged issues: missing project Part Type, unspecified terminal Pin Types, missing terminal Pin Descriptions, and footprint geometry not fully verifiable from the available layout readout.
Suggested next steps:
  1. Populate terminal Pin Type and Pin Description fields from the datasheet.
  2. Set the project Part Type.
  3. Verify/import the official Ezurio RM126x footprint land pattern for dimensional confirmation.
A

adrian95

Populate all terminal Pin Type and Pin Description fields from the RM126x datasheet.

flux

I’ll update each of the 47 terminals with datasheet-based Pin Type and Pin Description, then re-read the symbol to verify the fields are populated.

flux

Populated Pin Type and Pin Description for all 47 RM126x terminals from the datasheet, using standard Flux pin type values like Ground, Power In, Bi-Directional, Input, Output, and Not Connected.
Open items:
  • None from this update; component review checks for terminals/missing properties now show no open warnings or errors.
Suggested next steps:
  1. Verify the symbol visually for preferred grouping/placement.
  2. Cross-check or import the official Ezurio land pattern if you want footprint dimensional validation.
Check symbol and footprint
Review symbol placement
Verify footprint geometry
Run part checks
Create validation note
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Files

Pins

Symbol

Layout

3D View

Name
Pin #
Type
Part Type
Pin Description
Pin Orientation
GND_1
1
Ground
Terminal
Ground return pin.
Bottom
GND_2
2
Ground
Terminal
Ground return pin.
Bottom
VDD_RADIO
3
Power In
Terminal
Radio supply input. Must connect to same external supply as VMCU, VDD_IO, and VDD_SX1262.
Top
GND_3
4
Ground
Terminal
Ground return pin.
Bottom
PD02
5
Bi-Directional
Terminal
GPIO PD02. AT firmware: SIO07/I2C1/AN/FREQ/PWM/SPI_CIPO; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_SPI_MISO.
PD03
6
Bi-Directional
Terminal
GPIO PD03. AT firmware: SIO06/I2C1/AN/FREQ/PWM/SPI_COPI; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_SPI_MOSI.
GND_4
7
Ground
Terminal
Ground return pin.
Bottom
VMCU
8
Power In
Terminal
MCU supply input for EFR32 VREGVDD/AVDD. Must connect to same external supply as VDD_RADIO, VDD_IO, and VDD_SX1262.
GND_5
9
Ground
Terminal
Ground return pin.
Bottom
VDD_IO
10
Power In
Terminal
I/O supply input. All I/O voltage tracks VDD_IO. Must connect to same external supply as VDD_RADIO, VMCU, and VDD_SX1262.
Top
GND_6
11
Ground
Terminal
Ground return pin.
Bottom
PC05
12
Bi-Directional
Terminal
GPIO PC05. AT firmware: SIO05/I2C1/AN/FREQ/PWM; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: LED0 or MIKROE_INT.
PC04
13
Bi-Directional
Terminal
GPIO PC04. AT firmware: SIO04/I2C1/AN/FREQ/PWM; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_PWM.
PC03
14
Bi-Directional
Terminal
GPIO PC03. AT firmware: SIO03/I2C1/AN/FREQ/PWM; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_RST.
PC02
15
Bi-Directional
Terminal
GPIO PC02. AT firmware: SIO02/I2C1/AN/FREQ/PWM; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_ANALOG.
PC01
16
Bi-Directional
Terminal
GPIO PC01. AT firmware: SIO01/I2C1/AN/FREQ/PWM; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0. DVK: MIKROE_SPI_CS.
PC00
17
Bi-Directional
Terminal
GPIO PC00. AT firmware: SIO00/I2C1/AN/FREQ/PWM/SPI_CLK; native firmware: I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM. DVK: MIKROE_SPI_SCK.
PC07
18
Output
Terminal
PC07 / EUART_TX in AT firmware; output set high in AT firmware. Native firmware supports I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM.
PC06
19
Input
Terminal
PC06 / BOOT in AT firmware. Input with default internal pull-high; pull low externally to enter bootloader. Native firmware supports I2C0/I2C1/AN/FREQ/PWM/EUART0/USART0/PDM.
RESETN
20
Input
Terminal
Active-low system reset. Internally pulled up to 1.8 V; pull low for at least 100 ns to reset. RESETn pin should not exceed 1.8 V for minimum leakage.
GND_7
21
Ground
Terminal
Ground return pin.
Bottom
NC_1
22
Not Connected
Terminal
No connect. Datasheet instruction: do not connect.
NC_2
23
Not Connected
Terminal
No connect. Datasheet instruction: do not connect.

453-00139R