EM MICROELECTRONIC - MARIN SA
EM9304
OPTIMIZED
5.0 LOW-ENERGY COMPANION OR SOC
Description
Main Features
The EM9304 is a tiny, low-power, integrated circuit (IC)
optimized for Bluetooth® 5.0 low energy enabled products. The
flexible architecture of the EM9304 allows it to act as a
companion IC to any ASIC or MCU-based product, or as a
complete System-on-Chip (SoC). Custom applications can
execute from one-time-programmable (OTP) memory, and
digital peripherals (SPI or I2C) can be used to interface with
external devices such as sensors, memory, display, or touch
drivers. A floating point unit can be exploited to implement
advanced algorithms such as sensor fusion.
System-on-Chip:
Energy efficient, industry standard, ARC EM4, 32-bit
MCU running at 24MHz
Floating-point unit for sensor processing
136kB ROM including link layer and stack
128kB OTP for parameters, profiles, and applications
– 24MHz execution speed
48kB instruction RAM and 28kB data RAM
4, 8, or 20kB with selectable data retention
Universal, sleep, and protocol timers
I2C and SPI master interfaces
Included in ROM is a Bluetooth 5.0 link layer with a Host
Controller Interface (HCI), a Bluetooth stack with proprietary
Application Controller Interface (ACI), several profiles, and
over-the-air firmware (FOTA) updating routines. The Bluetooth
low energy controller and host can be configured to support up
to eight simultaneous connections. Secure connections and
extended packet length are also supported.
Up to 12 GPIO
Bluetooth 5.0 Low Energy Technology:
BT 5.0 Controller Subsystem (QD ID 93999)
Bluetooth stack (QD ID 84268) in ROM
SPI and UART HCI/ACI Transport Layers
Up to eight simultaneous connections supported
Extended PDU length and enhanced security
Security Features:
The EM9304 includes
a
sophisticated on-chip power
management system with automatic configuration for 1.5V or
3V batteries. Current consumption is minimized for all modes
of the application utilizing an efficient scheduler and memory
manager. Several memory configuration options allow for
optimum performance for any given application. A stable, low-
power sleep oscillator (RC or crystal based) minimizes power
consumption while in a connected state.
True Random Number Generator
AES-128 Hardware Encryption Engine
Key Generation (ECC-P256)
The EM9304 features a state-of-the-art 2.4GHz transceiver: an
extremely
low-power
receiver
with
excellent
Firmware Over-the-Air Updating
sensitivity/selectivity, and a programmable transmitter for
optimized output power and current consumption.
Per application, function, or configuration
Sophisticated Power Management System:
Digital step-up/down DCDC operation
Supports 1.5V and 3.0V batteries
Scheduler and memory manager
Low frequency RC or crystal oscillator time base
Low Current Consumption at 3V:
The PCB footprint and cost is minimized with a very low
external component count and several package options. The
circuit is offered in a WLCSP25 wafer level chip-scale package,
a plastic QFN-28 package, and bare die/ wafer form. The
device and reference design is qualified over the industrial
temperature range.
Customer support for PCB design, and FCC/CE certification
are available. A hardware and software development kit are
available, including commercially available tools with IDE and
debugger. A website and forum are also available to help with
your custom developments.
3.0mA typical peak receiver current
5.2mA typical peak transmitter current at 0.4dBm
1.0µA connected sleep mode
5nA chip disable mode
High Performance RF:
-94dBm Bluetooth low energy receiver sensitivity for
1Mpbs operation and 37 byte payload
-34 to +6.1dBm transmitter output power range
Low Component Count and Cost:
3 DC caps, 1 DCDC coil, 1 ferrite bead
Single ended 50Ω antenna pin (no balun)
48MHz XTAL, 32kHz XTAL (optional)
Packaging:
QFN-28 (4x4mm), WLCSP25, and bare-die/wafer
Industrial Operating Temperature Range: -40C to +85C
Customer Support:
Hardware, software development kits
FCC/CE certification support
Forum for hardware and software support
1
www.emmicroelectronic.com
Copyright 2017, EM Microelectronic-Marin SA
9304-DS, Version 4.1, 30-Oct-17
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