PDF nRF24E2 Data sheet ( Hoja de datos )

Número de pieza	nRF24E2
Descripción	RF Transceiver
Fabricantes	Nordic Semiconductor
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No Preview Available ! PRODUCT SPECIFICATION 2.4GHz RF transmitter with embedded nRF24E2 8051 compatible micro-controller and 9 input, 10 bit ADC FEATURES • 2.4GHz RF transmitter • 8051 compatible micro-controller • compatible with nRF24E1 • 9 input 10 bit ADC 100kSPS • 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 • 0.18µm CMOS technology • Low Bill- of Material • Ease of design • Wireless gamepads • Wireless headsets • Wireless keyboards • Wireless mouse • Wireless toys • Intelligent sports equipment • Industrial sensors • PC peripherals • Phone peripherals • Tags • Alarms • Remote control APPLICATIONS www.DataSheet4U.com www.DaNtoardSichSeeemtic4oUnd.uccotomr ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989 Revision: 1.2 Page 1 of 109 June 2004 1 page PRODUCT SPECIFICATION nRF24E2 2.4 GHz Radio Transmitter with Microcontroller 1.2 Block Diagram AREF AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 nAD10100K 10-Bit 100kSPS A/D converter 4k byte 512 byte 256 byte RAM 1 ROM RAM 7-channel interrupt UART0 Timer 0 Timer 1 Timer 2 CPU 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 nRF24E2 block diagram plus external components Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989 Revision: 1.2 Page 5 of 109 June 2004 5 Page PRODUCT SPECIFICATION nRF24E2 2.4 GHz Radio Transmitter with Microcontroller X000 X001 X010 X011 X100 X101 X110 X111 F8 EIP F0 B E8 EIE E0 ACC D8 EICON D0 PSW C8 T2CON RCAP2L RCAP2H TL2 TH2 C0 B8 IP T1_1V2 T2_1V2 DEV_ OFFSET B0 RSTREAS SPI SPI SPI TICK_ CK_ TEST_ _DATA _CTRL CLK DV CTRL MODE A8 IE PWM CON PWM DUTY REGX _MSB REGX _LSB REGX _CTRL A0 RADIO ADCCON ADC ADC ADC (P2) DATAH DATAL STATIC 98 SCON SBUF 90 P1 EXIF MPAGE P0_DIR P0_ALT P1_DIR P1_ALT 88 TCON TMOD TL0 TL1 TH0 TH1 CKCON SPC_FNC 80 P0 SP DPL DPH DPL1 DPH1 DPS PCON Table 2-1 : SFR Register map 2.2 PWM The nRF24E2 has one programmable PWM output, which is the alternate function of PO.7 at pin DIO9. The resolution of the PWM is software programmable to 6, 7 or 8 bits. The frequency of the PWM signal is programmable via a 6 bit prescaler from the XTAL oscillator. The duty cycle is programmable between 0% and 100% via one 8-bit register. 2.3 SPI nRF24E2 features a simple single buffered SPI master. The 3 lines of the SPI bus (SDI, SCK and SDO) are multiplexed (by writing to register SPI_CTRL) between the GPIO pins (P1.2/DIN0, P1.0/DIO0 and P1.1/DIO1) and the RF transmitter. The SPI hardware does not generate any chip select signal. The programmer will typically use GPIO bits (from port P0) to act as chip selects for one or more external SPI devices. When the SPI interfaces the RF transmitter, the chip selects are available in an internal GPIO port, P2. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989 Revision: 1.2 Page 11 of 109 June 2004 11 Page

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