Data Sheet
Table Of Contents
- 1 Pinout and Description
- 2 Electrical Characteristics
- 3 Physical Interfaces
- 4 Firmware Stack
- 5 Reference Design
- 6 Mechanical Size and Recommended PCB Footprint
- 7 RF Layout Guidelines
- 8 Reflow Profile
- 9 Package
- 10 Statement and Contact Information
FMB110 Datasheet Ver.1.0
-7-
1 Pinout and Description
1.1 Pin Assignments
Figure 1: Pinout of FMB110
1.2 Pinout Descriptions
Pin
Symbol
I/O Type
Description
1
GND
Ground
Ground.
2
VCC_RF
Power input
3.3V power supply for RF power
amplifier.
3
PIO0/VREG_EN
Digital input
Typically connected to an ON/OFF
push button. If power is present from
the battery and/or charger, and
software has placed the device in the
OFF or DORMANT state, a button
press boots the device. Also usable
as a digital input in normal operation.
No pull.
Additional function:
■ PIO[0] input only
4
AIO0/LED0
Analog or digital input/open drain
output
General purpose analog/digital input
or open drain LED output 0.
5
PIO60/UART_RTS
Digital bidirectional with programable
strength internal pull-up/pull-down
Programmable IO 60, weak pull
down when reset.