|
|
PDF AT86RF232 Data sheet ( Hoja de datos )
| Número de pieza | AT86RF232 | |
| Descripción | 2.4GHz Transceiver | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de AT86RF232 (archivo pdf) en la parte inferior de esta página. Total 70 Páginas | ||
|
No Preview Available !
Features
• High Performance RF-CMOS 2.4GHz radio transceiver targeted for
IEEE® 802.15.4, ZigBee®, RF4CE, 6LoWPAN, and ISM applications
• Industry leading link budget:
- Receiver sensitivity -100dBm
- Programmable output power from -17dBm up to +3dBm
• Ultra-low current consumption:
- SLEEP
= 0.4µA
- TRX_OFF
= 330µA
- RX_ON
= 11.8mA
(LISTEN)
- BUSY_TX
= 13.8mA
(at max. transmit power)
• Ultra-low supply voltage (1.8V to 3.6V) with internal regulator
• Support for coin cell operation
• Optimized for low BoM cost and ease of production:
- Few external components necessary (crystal, capacitors and antenna)
• Easy to use interface:
- Registers, frame buffer and AES accessible through fast SPI
- Only two microcontroller GPIO lines necessary
- One interrupt pin from radio transceiver
- Clock output
• Radio transceiver features:
- 128-byte FIFO (SRAM) for data buffering
- Fully integrated, fast settling PLL to support Frequency Hopping
- Battery monitor
- Fast Wake-Up time < 0.4msec
• Special IEEE 802.15.4™-2011 hardware support:
- FCS computation and Clear Channel Assessment
- RSSI measurement, Energy Detection and Link Quality Indication
• MAC hardware accelerator:
- Automated acknowledgement, CSMA-CA and retransmission
- Automatic address filtering
- Automated FCS check
• Extended feature set hardware support:
- AES 128-bit hardware accelerator
- Antenna Diversity
- True Random Number Generation for security application
• Commercial temperature range:
- 0°C to +70°C
• I/O and packages:
- 32-pin low-profile QFN package 5 x 5 x 0.9mm³
- RoHS/Fully Green
• Compliant to IEEE 802.15.4-2011, IEEE 802.15.4-2006 and IEEE 802.15.4-2003
• Compliant to EN 300 328/440, FCC-CFR-47 Part 15, ARIB STD-66, RSS-210
AT86RF232
Low Power,
2.4GHz
Transceiver for
ZigBee,
IEEE 802.15.4,
6LoWPAN,
RF4CE and ISM
Applications
AT86RF232
PRELIMINARY
Rev. 8321A–MCU Wireless–10/11
8321A–MCU Wireless–10/11
1
1 page  
AT86RF232
In transmit mode, a control loop provides a common-mode voltage of 0.9V. Transistor
M0 is off, allowing the PA to set the common-mode voltage. The common-mode
capacitance at each pin to ground shall be < 30pF to ensure the stability of this
common-mode feedback loop.
In receive mode, the RF port provides a low-impedance path to ground when transistor
M0, see Figure 1-2, pulls the inductor center tap to ground. A DC voltage drop of 20mV
across the on-chip inductor can be measured at the RF pins.
1.2.3 Crystal Oscillator Pins
XTAL1, XTAL2
The pin 26 (XTAL1) of Atmel AT86RF232 is the input of the reference oscillator
amplifier (XOSC), the pin 25 (XTAL2) is the output. A detailed description of the crystal
oscillator setup and the related XTAL1/XTAL2 pin configuration can be found in
Section 9.6.
When using an external clock reference signal, XTAL1 shall be used as input pin. For
further details, refer to Section 9.6.3.
1.2.4 Analog Pin Summary
Table 1-2. Analog Pin Behavior – DC values.
Pin Values and Conditions
RFP/RFN
VDC = 0.9V (BUSY_TX)
VDC = 20mV (receive states)
VDC = 0mV (otherwise)
XTAL1/XTAL2
VDC = 0.9V at both pins
CPAR = 3pF
DVDD
VDC = 1.8V (all states, except SLEEP)
VDC = 0mV (otherwise)
AVDD
VDC = 1.8V (all states, except P_ON,
SLEEP, RESET, and TRX_OFF)
VDC = 0mV (otherwise)
Comments
DC level at pins RFP/RFN for various transceiver states.
AC coupling is required if a circuitry with DC path to ground or
supply is used. Serial capacitance and capacitance of each pin
to ground must be < 30pF.
DC level at pins XTAL1/XTAL2 for various transceiver states.
Parasitic capacitance (Cpar) of the pins must be considered as
additional load capacitance to the crystal.
DC level at pin DVDD for various transceiver states.
Supply pins (voltage regulator output) for the digital 1.8V
voltage domain, recommended bypass capacitor 100nF.
DC level at pin AVDD for various transceiver states.
Supply pin (voltage regulator output) for the analog 1.8V
voltage domain, recommended bypass capacitor 100nF.
8321A–MCU Wireless–10/11
5
5 Page 
AT86RF232
Crosstalk from digital signals on the crystal pins or the RF pins can degrade the system
performance. Therefore, a low-pass filter (C3, R1) is placed close to the
Atmel AT86RF232 CLKM output pin to reduce the emission of CLKM signal harmonics.
This is not needed if the pin 17 (CLKM) is not used as a microcontroller clock source. In
that case, the output should be turned off during device initialization.
The ground plane of the application board should be separated into four independent
fragments, the analog, the digital, the antenna and the XTAL ground plane. The
exposed paddle shall act as the reference point of the individual grounds.
Table 5-1. Example Bill of Materials (BoM) for Basic Application Schematic.
Designator Description
Value
Manufacturer Part Number
Comment
B1
B1
(alternatively)
SMD balun
SMD balun / filter
2.45GHz
2.45GHz
Wuerth
Johanson
Technology
748421245
2450FB15L0001
2.45GHz Balun
2.45GHz Balun / Filter
CB1
CB3
CB2
CB4
CX1, CX2
LDO VREG
bypass capacitor
Power supply decoupling
Crystal load capacitor
100nF
1µF
12pF
Generic
AVX
Murata
AVX
Murata
0603YD105KAT2A
GRM188R61C105KA12D
06035A120JA
GRM1555C1H120JA01D
X7R
(0402)
X5R
(0603)
COG
(0402)
10%
10%
5%
16V
16V
50V
C1, C2
RF coupling capacitor
C3 CLKM low-pass
filter capacitor
C4 (optional) RF matching
R1
XTAL
CLKM low-pass
filter resistor
Crystal
22pF
2.2pF
Murata
Epcos
AVX
AVX
Murata
680
GRM1555C1H220JA01J C0G
5%
B37920
06035A220JAT2A
(0402 or 0603)
50V
06035A229DA
GRP1886C1H2R0DA01
COG 0.5pF 50V
(0603)
Designed for fCLKM = 1MHz
Value depends on final
PCB implementation
Designed for fCLKM = 1MHz
CX-4025 16MHz ACAL Taitjen
SX-4025 16MHz Siward
XWBBPL-F-1
A207-011
8321A–MCU Wireless–10/11
11
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet AT86RF232.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AT86RF230 | Transceiver | ATMEL Corporation |
| AT86RF231 | Low Power 2.4 GHz Radio Transceiver | ATMEL Corporation |
| AT86RF231-ZF | Low Power 2.4 GHz Transceiver | ATMEL Corporation |
| AT86RF231-ZU | Low Power 2.4 GHz Transceiver | ATMEL Corporation |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |