EM9304
Typical Applications
Bluetooth low energy applications such as:
Beacons
3V o r 1.5V
battery
Wearables and Sports Equipment
Healthcare Monitoring
Remote Sensing
Motion and Tracking Devices
Home Automation
Light Control Applications
Wireless Mice and Keyboards
Alarms and Security System
Toys
+
Sen so rs /
Sen so r Hub
DCDC
passives
-
POWER
MANAGEMENT
DIGITAL
INTERFACE
SENS1
SENS2
etc
IO
A/D
EM9304
CPU
SUBSYSTEM
2.4GHz
RADIO
Enabled by the mobile phone as access-point to the Internet.
2.4GHz
50 ohm
Typical Application Diagrams
The EM9304 is the ideal Bluetooth low energy companion IC for
any MCU or ASIC application, as illustrated in Figure 1. It may
be easily connected with:
32kHz (opt)
RF xtal
Figure 2: Typical Application Schematic – EM9304
Connected With Digital Sensors / Sensor Hubs
-
-
-
standard 3V MCU’s within the very rich catalog of any
microprocessor vendor;
standard 1.5V MCU’s such as ultra-low-power watch
microprocessors from EM Microelectronic;
any custom sensor processing ASIC for customers
requiring a simple add-on function.
Package Information
The versions below are considered standards and should be
readily available. Please make sure to give the complete part
number when ordering.
3V o r 1.5V
battery
WLCSP25, 5x5 array, 0.4mm pitch, 2.3x2.2mm
QFN-28, 0.4mm pitch, 4x4mm
+
AppLication MCU /
DCDC
passives
-
ASIC / SoC
POWER
MANAGEMENT
Bare die in wafer format
SPI
UART
DIGITAL
INTERFACE
MCU
ANAL OG DIGITAL
etc
IO
Please contact EM Microelectronic-Marin S.A. for more
information.
EM9304
Sen so rs /
Sen so r Hub
CPU
2.4GHz
RADIO
Product and Developer Support
SUBSYSTEM
SENS1
SENS2
etc
IO
2.4GHz
50 ohm
The following product support is available:
A/D
Hardware Development Kit (DVK)
Software Development Kit (SDK)
Getting Started guide and PC Tools
32kHz (opt)
RF xtal
Figure 1: Typical Application Schematic – Bluetooth
Low-Energy Companion IC to any MCU or ASIC
Integrated Development Environment (IDE) for ARC
Metaware and MetawareLite Tools
Reference designs with schematics, PCB layouts,
and bill-of-materials
The EM9304 is a flexible solution which may also be used
without an external MCU for simple applications such as
beacons. As illustrated in Figure 2, it may be directly
connected to external digital sensors which may exploit the
EM9304’s internal 32-bit processing capability, or with sensor
hubs such as from EM’s SENtral platform. Other applications
using A/D converters, EEPROMs, display and/or touch
interfaces can also be implemented.
Developer forum for hardware and software support
www.emdeveloper.com
PCB Antenna Design Support
FCC/CE Test Support
The EM9304 can be supplied from a 3V battery (e.g. Lithium
coin-cell). In such case, the DCDC converter is put into step-
down configuration. The EM9304 can also be supplied from a
1.5V battery (e.g. Alkaline, Silver-Oxide, or Zinc-Air single
cells). In such case, the DCDC converter is put into step-up
configuration.
The Bluetooth word mark and logos are registered trademarks owned by the
®
Bluetooth SIG, Inc. and any use of such marks by EM Microelectronic is under
license. Other trademarks and trade names are those of their respective
owners.
Finally, configurations are also possible without the DCDC
converter (no inductor required), for systems already with
power management, or for systems that require the lowest bill
of materials.
2
www.emmicroelectronic.com
Copyright 2017, EM Microelectronic-Marin SA
9304-DS, Version 4.1, 30-Oct-17
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