AT86RF233 datasheet(36/225 Pages) ATMEL

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MCU Wireless AT86RF233 [PRELIMINARY DATASHEET]

Atmel-8351E-MCU_Wireless-AT86RF233_Datasheet_072014

7 Operating Modes

7.1 Basic Operating Mode

This section summarizes all states to provide the basic functionality of

Atmel AT86RF233, such as receiving and transmitting frames, the power-on sequence,

sleep, and deep sleep. The Basic Operating Mode is designed for IEEE 802.15.4 and

general ISM band applications; the corresponding radio transceiver states are shown in

Figure 7-1.

Figure 7-1. Basic Operating Mode State Diagram (for timing refer to Table 7-1).

RX_ON

PLL_ON

TRX_OFF

(Clock State)

XOSC=ON

Pull=OFF

(all states except P_ON)

FORCE_TRX_OFF

(all states except SLEEP or

DEEP_SLEEP)

SHR

Detected

Frame

End

Frame

End

BUSY_TX

(Transmit State)

PLL_ON

(PLL State)

TX_START

/RST = H

FORCE_PLL_ON

(all states except DEEP_SLEEP,

SLEEP, or P_ON)

SLP_TR = H

Legend:

Blue: SPI Write to Register TRX_STATE (0x02)

Red:

Control signals via IC Pin

Green: Event

Basic Operating Mode States

State transition number, see Table 7-1

for timing

RX_ON

(Rx Listen State)

BUSY_RX

(Receive State)

RESET

(from all states)

/RST = L

TRX

_OFF

P_ON

(Power-on after VDD)

XOSC=ON

Pull=ON

SLEEP

(Sleep State)

XOSC=OFF

Pull=OFF

DEEP_SLEEP

(Sleep State)

XOSC=OFF

Pull=ON

SLP_TR=H

XOSC=ON

Pull=OFF

PREP_

DEEP_SLEEP

(Prepare Sleep State)

SLP

_TR

AT86RF233 Datasheet(PDF) 36 Page - ATMEL Corporation

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