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ATA5429 Datasheet(PDF) 6 Page - ATMEL Corporation |
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ATA5429 Datasheet(HTML) 6 Page - ATMEL Corporation |
6 / 97 page 6 4841D–WIRE–10/07 ATA5423/ATA5425/ATA5428/ATA5429 Figure 1-3. Block Diagram 42 T4 Key input 4 (can also be used to switch on the system (active low)) 43 T3 Key input 3 (can also be used to switch on the system (active low)) 44 T2 Key input 2 (can also be used to switch on the system (active low)) 45 T1 Key input 1 (can also be used to switch on the system (active low)) 46 RX_ACTIVE Indicates RX operation mode 47 NC Not connected 48 NC Not connected GND Ground/backplane Table 1-1. Pin Description (Continued) Pin Symbol Function Signal Processing (Mixer IF-filter IF-amplifier FSK/ASK Demodulator, Data filter Data Slicer) TX/RX - Data buffer Control register Status register Polling circuit Bit-check logic Digital Control Logic Power Supply Switches Regulators Wake-up Reset RF transceiver Fractional-N frequency synthesizer VS2 VAUX VSOUT VS1 433_N868 PWR_H CS SDO_TMDO IRQ N_RESET CLK DEM_OUT XTAL2 XTAL1 RSSI CDEM RF_IN RX_TX2 RX_TX1 RF_OUT R_PWR DVCC RX_ACTIVE AVCC GND VSINT LNA SPI XTO Reset PA RX/TX switch Frontend Enable PA_Enable (ASK) Demod_Out FREF FREQ RX/TX 13 TX_DATA (FSK) Microcontroller interface SCK SDI_TMDI T4 T5 TEST2 TEST1 T1 T3 T2 PWR_ON |
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