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AT86RF232-ZXR Datasheet(PDF) 39 Page - ATMEL Corporation |
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AT86RF232-ZXR Datasheet(HTML) 39 Page - ATMEL Corporation |
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39 / 175 page  39 8321A–MCU Wireless–10/11 AT86RF232 7.1.4.6 State Transition Timing Summary The Atmel AT86RF232 transition numbers correspond to Figure 7-1 and do not include SPI access time unless otherwise stated. See measurement setup in Figure 5-1. Table 7-1. State Transition Timing. Symbol Parameter Condition Min. Typ. Max. Unit tTR1 P_ON CLKM is available Depends on crystal oscillator setup (CL= 10pF) and external capacitor at DVDD (100nF nom.). 330 1000 µs tTR1a SLEEP CLKM is available Depends on crystal oscillator setup (CL= 10pF) and external capacitor at DVDD (100nF nom.). 180 1000 µs tTR2 SLEEP TRX_OFF Depends on crystal oscillator setup (CL= 10pF) and external capacitor at DVDD (100nF nom.). 210 1000 µs tTR3 TRX_OFF SLEEP For fCLKM > 62.5kHz. 35 CLKM cycles Otherwise. 0 CLKM cycles tTR4 TRX_OFF PLL_ON Depends on external capacitor at AVDD (100nF nom.). 80 µs tTR5 PLL_ON TRX_OFF 1 µs tTR6 TRX_OFF RX_ON Depends on external capacitor at AVDD (100nF nom.). 80 µs tTR7 RX_ON TRX_OFF 1 µs tTR8 PLL_ON RX_ON 1 µs tTR9 RX_ON PLL_ON Transition time is also valid for TX_ARET_ON, RX_AACK_ON. 1 µs tTR10 PLL_ON BUSY_TX When asserting pin 11 (SLP_TR) or TRX_CMD = TX_START first symbol transmission is delayed by one symbol period (PLL settling and PA ramp-up). 16 µs tTR11 BUSY_TX PLL_ON PLL settling time. 32 µs tTR12 Various states TRX_OFF Using TRX_CMD = FORCE_TRX_OFF; not valid for SLEEP. 1 µs tTR13 RESET TRX_OFF Not valid for P_ON or SLEEP. 26 µs tTR14 Various states PLL_ON Using TRX_CMD = FORCE_PLL_ON; not valid for P_ON, SLEEP, or RESET. 1 µs tTR15 P_ON TRX_OFF Using TRX_CMD = TRX_OFF directly after CLKM is available. 360 1000 µs The state transition timing is calculated based on the timing of the individual blocks shown in Figure 7-3 to Figure 7-7. The worst case values include maximum operating temperature, minimum supply voltage, and device parameter variations. |
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