Data Sheet

Honeywell Confidential and Proprietary Revision –3.0 Page 6 of 14
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3. Pin Definitions
RMLORAB M5 Form factor Pinout Diagram
Pin
Pin Name
Description
Remark
1/2/3/5/7/10/11/12/17/18/
19/20/21/27/28/30/31/32/
33/34/36/37/40
NC
Not Connected
4/6/39/42
GPIO
41
GPIO
Status indicator
Reserved
9/22/23/35/44/46/48
GND
Ground
8
Reset
Reset
13
UART_RXD
Input from Host
14
UART_TXD
Output to host
15
UART_RTS
Reserved
16
UART_CTS
Reserved
24/25
VCC
2.4V~3.6V
26
SWDIO
Programming/Debug
Reserve a
plug and play
connector
29
SWDCLK
Programming/Debug
Reserve a
plug and play
connector
38
Loader
Internal Pull-down for
Application, Pull-up for
programming
Connect to
MCU GPIO