ADC0 ... ADC5 XOSC26N UHF TRANSCEIVER XOSC26P 14-BIT S AR AD C 500kSP S MUX LOW POWER RADIO PACKET HANDLER & WAKE UP CONTROL TEMP SENSOR RFIO_1P RFIO_1N RFO2 BAND GAP REFERENCE ARM CORTEX M3 - BASED MCU WITH ADDITIONAL PERIPHERALS RESET POR LFXTAL1 LFXTAL2 OSC WAKE-UP TIMER INTER RUPT C ONTROLLER AVDD LVDD 2xGEN PURPOSE TIMERS ADuCRF101 SERIAL WIRE WATCHDOG TIMER 16K BYTES SRAM (4k x 32 bits) 2 KBYTES 128 KBYTES FLASH/EE (32k x 32 bits) GPIOs SPI I2C UART PWM GPIOS ... VREF IOVDD HT TH B B B B B B B B B B B B B B B B B B B B SCLOCK (POLARITY = 0) tSH tSL tSR SCLOCK (POLARITY = 1) tDAV tDF MOSI MSB MISO tSF tDR BITS 6 TO 1 MSB IN LSB BITS 6 TO 1 LSB IN 04955-055 tDSU tDHD SCLOCK (POLARITY = 0) tSH tSL tSR tSF SCLOCK (POLARITY = 1) tDAV MOSI MISO tDF MSB MSB IN tDSU tDHD tDR BITS 6 TO 1 BITS 6 TO 1 LSB LSB IN 04955-056 tDOSU CS tSFS tCS SCLOCK (POLARITY = 0) tSH tSL tSR tSF SCLOCK (POLARITY = 1) tDAV tDF MISO MSB MOSI tDR BITS 6 TO 1 MSB IN LSB BITS 6 TO 1 LSB IN 04955-057 tDSU tDHD CS tCS tSFS SCLOCK (POLARITY = 0) tSH tSL tSF tSR SCLOCK (POLARITY = 1) tDAV tDOCS MISO MOSI MSB MSB IN tDSU tDHD tDR BITS 6 TO 1 BITS 6 TO 1 LSB LSB IN 04955-058 tDF 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 P IN 1 ID E N TIFIE R 1 2 48 47 3 46 4 45 5 44 6 43 7 42 AD uC R F1 01 TO P V IEW (N ot to S ca le) 8 9 41 40 32 31 30 29 28 27 26 25 24 33 23 34 16 22 35 15 21 36 14 20 37 13 19 38 12 18 39 11 17 10