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PDF EM9301 Data sheet ( Hoja de datos )
| Número de pieza | EM9301 | |
| Descripción | Single-Cell Battery Bluetooth low energy controller | |
| Fabricantes | EM Microelectronic | |
| Logotipo |  |
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EM MICROELECTRONIC - MARIN SA
EM9301
Single-Cell Battery
Bluetooth low energy controller
Description
The EM9301 is the first generation of low voltage and
low power, fully integrated single-chip Bluetooth low
energy controller. It includes the physical layer, link-
layer, with an embedded security engine, the Host
Controller Interface (HCI), and a powerful power
management including a DC-DC up converter. The
EM9301 offers performances tailored for extremely low
energy operation for power-sensitive applications. The
purpose of the EM9301 is to offer a very high level of
integration requiring a minimum of external
components.
The on-chip 2.4GHz radio transceiver operates in the
2.400-2.485GHz ISM band and the internal step-up
(boost) DC/DC converter allows the application to
operate from a single-cell 1.5V battery. This converter
is designed to support an extra load such as a low
power controller or sensor interface circuit with a
dedicated application profile. The EM9301 can also
operate without the DC/DC converter, when supplied
from a 3 V battery or any other source such as an
external LDO regulator. No external coil is needed
then.
The EM9301 is designed to act as a master or a slave
according to the upcoming Bluetooth low energy
specification V1.0. It has to be control by an external
microcontroller or microprocessor through the standard
UART or SPI interface by using HCI commands/events.
Any 8, 16 or 32 bit MCU can be used to handle the
upper layer Bluetooth low energy profiles as well as
application specific tasks.
The EM9301 also features a proprietary interface
allowing putting it on an extremely low power mode,
when the Bluetooth Low Energy RF link is not required.
With its high level of flexibility the EM9301 is the best
choice for a Bluetooth low energy companion chip.
Features
Single cell 1.5V battery operation
Operation down to VBAT = 0.8 V
3 V Lithium battery as alternative
Compliant to Bluetooth low energy Specification
V1.0
On air data rate 1Mb/s
Programmable RF output level:
-20 dBm … + 4dBm in 8 steps
No antenna matching elements needed through
appropriate PCB antenna design
200 Ω differential impedance of antenna port
Low-cost 26MHz Xtal
Low-power +-500ppm RC oscillator time base
BLD function: battery level detection in accordance
with selected battery
Current consumption (on VCC, VCC =2.1V)
14.5 mA
in peak current
10.0 µA
3.0 µA
in stand-by mode
in sleep-mode (DC/DC)1)
0.8 µA
in power-down mode (no
DC/DC)
1) External load reduced to < 500μA
MLF24 4x4 package
Applications
Remote sensing in general
Wireless mouse and keyboard
Wireless sensors in watches
Wireless sports equipment
Alarm and security systems
Typical Application Schematic
VCC2
SW_DCDC VBAT
Power Management
HCI UART/
SPI
Test
Proprietary
Bluetooth low-energy
controller
2.4 GHz Bluetooth low-
energy radio
ANTP
ANTN
EM9301
for simplicity, not all supply pins indicated !
External is needed when on-chip DC/DC is used
Pin Assignment
TxD/SDO
RxD/SDI
RTS/SCK
VDD
VSS
VSS_DCDC
EM 9301
MLF24 4x4
TST
AVSS_RF
ANTP
ANTN
AVSS_PA
AVDD_PA
Copyright 2009, EM Microelectronic-Marin SA
9301-FS.doc, Version 1.0, 11/09
Wireless and Sensing
www.emmicroelectronic.com
Free Datasheet http://www.datasheetlist.com/
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