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PDF nRF24E1 Data sheet ( Hoja de datos )
| Número de pieza | nRF24E1 | |
| Descripción | RF Transceiver | |
| Fabricantes | Nordic Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de nRF24E1 (archivo pdf) en la parte inferior de esta página. Total 70 Páginas | ||
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PRODUCT SPECIFICATION
2.4Ghz RF transceiver with
embedded
Q5)(
8051 compatible microcontroller and
9 input, 10 bit ADC
)($785(6
• nRF2401 2.4GHz RF transceiver
• 8051 compatible microcontroller
• 9 input 10 bit ADC 100Kspls/s
• Single 1.9V to 3.6V supply
• Internal voltage regulators
• 2 µA standby with wakeup on
timer or external pin
• Internal VDD monitoring
• Supplied in 36 pin QFN (6x6mm)
package
• P &026 WHFKQRORJ\
• Mask programmable version
available
• Very few external components
• Ease of design
$33/,&$7,216
• Wireless gamepads
• Wireless headsets
• Wireless keyboards
• Wireless mouse
• Industrial sensors
• PC peripherals
• Phone peripherals
• Tags
• Alarms
• Remote control
www.DataSheet4U.com
www.DaNtaorSdhiceVeLt4SUI A.cSoAm - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.0
Qhtrà ÃsÃ(&
July 2003
1 page  
PRODUCT SPECIFICATION
Q5)( *+] 5DGLR 7UDQVFHLYHU ZLWK 0LFURFRQWUROOHU
%ORFN 'LDJUDP
AREF
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
nAD10100K
10-Bit
100kSPS
A/D converter
4k byte 512 byte 256 byte
RAM1
ROM
RAM
7-channel interrupt
UART0
Timer 0
Timer 1
Timer 2
&38
8051
compatible
Microcontroller
nRF2401
2.4GHz
Radio
Tranceiver
BIAS
XTAL
oscillator
VDD_PA = 1.8V
ANT1
ANT2
VSS_PA = 0V
IREF
22kΩ
XC1
XC2
DVDD
DVDD2
VDD
VSS
Power mgmt
Regulators
Reset
PWM
SPI
Port logic
WATCH-
DOG
WAKEUP
timer
Low power
RC
oscillator
SDO SCK SDI CSN
25320
EEPROM
Figure 1-1 nRF24E1 block diagram plus external components
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.0
QhtrÃ$ÃsÃ(&
July 2003
5 Page 
PRODUCT SPECIFICATION
Q5)( *+] 5DGLR 7UDQVFHLYHU ZLWK 0LFURFRQWUROOHU
Most of the GPIO pins can be used for multiple purposes under program control. The
alternate functions include two external interrupts, UART RXD and TXD, a SPI
master port, three enable/count signals for the timers and the PWM output.
3RZHU 0DQDJHPHQW
The nRF24E1 can be set into a low power down mode under program control, and
also the ADC and RF subsystems can be turned on or off under program control. The
CPU will stop, but all RAM’s and registers maintain their values. The low power RC
oscillator is running, and so are the watchdog and the RTC wakeup timer (if enabled
by software). The current consumption in this mode is typically 2µA.
The device can exit the power down mode by an external pin interrupt (INT0_N or
INT1_N) if enabled, by the wakeup timer if enabled or by a watchdog reset.
57& :DNHXS 7LPHU :DWFKGRJ DQG 5& 2VFLOODWRU
The nRF24E1 contains a low power RC oscillator which can not be disabled, so it will
run continuously as long as VDD 9
RTC Wakeup Timer and Watchdog are two 16 bit programmable timers that run on
the RC oscillator LP_OSC clock. The resolution of the watchdog and wakeup timer is
programmable from approximately 300µs to approximately 80ms. By default the
resolution is 10ms. The wakeup timer can be started and stopped by user software.
The watchdog is disabled after a reset, but if activated it can not be disabled again,
except by another reset
;7$/ 2VFLOODWRU
Both the microcontroller, ADC and RF front end run on a crystal oscillator generated
clock. A range of crystals frequencies from 4 to 20 MHz may be utilised, but 16 MHz
is recommended since it gives best over all performance. For details, please see
Crystal Specification on page 91. The oscillator may be started and stopped as
requested by software.
$' &RQYHUWHU
The nRF24E1 AD converter has 10 bit dynamic range and linearity with a conversion
time of 48 CPU instruction cycles per 10-bit result.
The reference for the AD converter is software selectable between the AREF input
and an internal 1.22V bandgap reference.
The converter has 9 inputs selectable by software. Selecting one of the inputs 0 to 7
will convert the voltage on the respective AIN0 to AIN7 pin.
Input 8 enables software to monitor the nRF24E1 supply voltage by converting an
internal input that is VDD/3 with the 1.22V internal reference selected.
The AD converter is typically used in a start/stop mode. The sampling time is then
under software control.
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.0
Qhtrà ÃsÃ(&
July 2003
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet nRF24E1.PDF ] | |
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