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PDF EM9202 Data sheet ( Hoja de datos )
| Número de pieza | EM9202 | |
| Descripción | Worlds First Fully Integrated Single-Cell Battery 2.4GHz Transceiver | |
| Fabricantes | EM Microelectronic | |
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EM MICROELECTRONIC - MARIN SA
www.DataSheet4U.com
EM9201/02
World’s First Fully Integrated Single-Cell Battery
2.4 GHz Transceiver
Description
The EM9201/02 is a low-voltage 2.4GHz transceiver IC
with built-in link-layer logic permitting proprietary wireless
links in the 2.400 … 2.485 GHz ISM band. It has a radio
core with a low-IF architecture and GFSK modulation
scheme being compliant with the emerging Bluetooth low
energy technology standard.
Control of the link-layer logic is possible though the SPI
interface using an external host-controller. An FPGA bridge
is included in the circuit such that with an external FPGA
any protocol compatible with the RF characteristics can
also be emulated through the SPI port of the EM9201/02.
The EM9201/02 can be operated from a single 1.5V battery
by making use of the on-chip step-up (boost) DC/DC
converter. This converter is designed to support an extra
load such as a low-power microcontroller (host) or sensor
interface circuit with a dedicated application profile.
The EM9201/02 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.
EM9201: up to 1 Mb/s on air data rate
EM9202: up to 2 Mb/s on air data rate
Chip versions, programmable by metal mask option:
V1: with DC/DC converter for 1.5V battery
V2: w/o DC/DC converter for any voltages 1.9 – 3.6V
Typical Application Schematic
SW_DCDC VSS_DCDC VBAT
VCC2
XTAL1
CK_FPGA
DATA_FPGA
XTAL2
VDD
FPGA
IRQ
AVDD_PA
AVSS_PA
CS
SCK EM9201/02
SDI ANTP
SDO
ANTN
VSS
BIAS_R
Features
Single cell 1.5V battery operation (Alkaline AA, AAA)
Operation down to VBAT = 0.8 V (for start-up --> 1.0V)
3 V Lithium battery as alternative
Bluetooth Low Energy-compliant GFSK modulation
Low drift of PLL frequency by design
On air data rate: 1Mb/s for EM9201, configurable 1Mb/s
or 2Mb/s for EM9202.
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
BLD function: battery level detection in accordance with
selected battery
Current consumption (on VCC, VCC =2.1V, 2Mb/s )
12.5 mA in RX
11.5 mA in TX (0dBm output power)
3.0 µA in sleep-mode (DC/DC running on RCosc) 1)
0.8 µA in power-down mode (3V version, DC/DC off)
1) External load reduced to < 500µA
MLF24 4x4 package
Applications
Remote sensing in general
Wireless mouse, keyboard etc.
Wireless sensors in watches
Wireless sports equipment
Alarm and security systems
Pin Assignment
SDO
SDI
SCK
VDD
VSS
VSS_DCDC
EM 9201/02
MLF24 4x4
CS
AVSS_RF
ANTP
ANTN
AVSS_PA
AVDD_PA
Step-up conversion option; for simplicity, not all supply pins indicated !
Copyright © 2009, EM Microelectronic-Marin SA
Subject to change without notice
05/09 – rev. B
Phone: +41.32.755-5111, Fax: +41.32.755-5403
www.emmicroelectronic.com
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